C824/C834/C844/ES8434 User’s Manual
Table of contents 1 Connecting a USB Cable ............................................................................................................ 42 Connecting a LAN Cable ............................................................................................................ 43 Installing a Printer Driver to a Computer ..................................................................................... 46 Before starting .........................................................................
Printed Images are Light ..........................................................................................................................103 Updating the Software .............................................................................................................. 154 White Spots and Lines Appear .................................................................................................................104 Updating the Firmware .....................................................
1 Before starting For Your Safety About This Manual Preface Trademarks License
1. Before starting For Your Safety • Cautions Related to Safety If the machine is dropped or the cover is damaged, unplug the power plug from the outlet, and contact your dealer. Electric shock, fire, or injury may result. Indicates additional information which, if ignored or not followed, may result in personal injury or death. Indicates additional information which, if ignored, may result in personal injury. Unplug the power plug regularly, and clean the bases of and in between the plug blades.
1. Before starting Operation using an UPS (uninterruptible power supply) or inverter is not guaranteed. Do not use an uninterruptible power supply or inverter. Fire may result. Do not go near the paper output part when you turn the power on or when printing is in progress. Injury may result. Do not touch a broken liquid crystal display. Injury may result. If you get liquid (liquid crystal) spilled from the liquid crystal display into your eyes or mouth, immediately rinse with a large amount of water.
1. Before starting About This Manual About Descriptions Unless otherwise specified, this manual uses screenshots of the following screens. Various information about this manual is provided here. Read these sections before using this manual. • For Windows: Windows 10 • Disclaimer • For Mac : mac OS High Sierra 10.13 Every effort has been made to ensure that the information in this document is complete, accurate, and up-to-date.
1. Before starting Symbol Meaning [] Indicates a menu name, item name, option, or other items that are displayed on the display screen on the operator panel. Indicates a menu, window, or dialog name that is displayed on the screen on a computer. "" Indicates a message on the display screen or entered text. Indicates a file name on a computer. Indicates the topic title of a link destination. <> Indicates a key on the computer keyboard.
1. Before starting Preface • EMERGENCY FIRST AID Take care with toner powder: If swallowed, give small amounts of cold water and seek medical attention. DO NOT attempt to induce vomiting. If inhaled, move the person to an open area for fresh air. Seek medical attention. If it gets into the eyes, flush with large amounts of water for at least 15 minutes keeping eyelids open. Seek medical attention. Spillages should be treated with cold water and soap to help reduce risk of staining skin or clothing.
1. Before starting Trademarks CABLE TYPE LENGTH (METER) OKI is a registered trademark of Oki Electric Industry Co., Ltd. Power 1.8 ENERGY STAR® is a trademark of the United States Environmental Protection Agency. USB 5.0 LAN 10.0 Microsoft, Windows, Windows Server, Windows Vista and Internet Explorer are registered trademarks of Microsoft Corporation. CORE SHIELD Apple, Macintosh, Mac and Mac OS are the registered trademarks of Apple Inc.
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2 Setup Setup Flow Checking the Placement Environment Checking Package Contents Names of Components How to Use of the Operator Panel Preparing Your Printer About the Power Supply Test Printing from the Printer Changing the Administrator Password
2. Setup Setup Flow How to set up is explained in this chapter. 1. Checking Products • Checking package contents • Checking names of product parts - Printer - Operator panel • Available Options 2. Checking the placement environment • Placement Environment • Placement Space 3. Preparing Your Printer • • • • • Unpacking Installing Consumables Loading Paper Turning On/Off the Power Test Printing from the Printer 4.
2. Setup Checking the Placement Environment • Installation Environment • Install the machine in the following environment. • Ambient temperature: 10°C to 32°C Ambient humidity: 20% to 80% RH (relative humidity) • Maximum wet bulb temperature: 25°C • • • • Use care to prevent condensation. It may cause a malfunction. • If installing your machine where the ambient humidity is 30% RH or below, use a humidifier or antistatic mat.
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2. Setup Checking Package Contents • The starter toner cartridge is not installed in the ES model. Install the toner cartridge that is included in this machine. Refer to "Replacing the Image Drum". Check that you have everything shown below. Injury may result. • Software DVD-ROM Lift this machine by 2 persons, because it weighs approximately 40 kg. For instructions on how to unpack, see "Unpacking". • Be sure to use the supplied consumables first.
2. Setup Names of Components This section explains the names and functions of components of the printer. No. No. Name Functions 1 Front cover 2 Front cover open lever Lever to unlock when opening the front cover. 3 Operator panel This is the panel to operate the printer. Display screen operation buttons, numeric keys, function keys, and attention indicator lamp are on the panel. Open button 13 Toner cartridge, Image drum (K: black) 14 Front cover of the printer.
2. Setup How to Use of the Operator Panel No. 11 Name «CLEAR» key This section explains the names and functions of components on the operator panel. Function Executes the following actions according to the entered items when pressed or held down. • Minimizes a setting value. • Enters zero for a setting value. • Deletes a character. • Cancels the selected item. Returns to the previous settings. Not available when entering an IP address. No.
2. Setup How to Use the Numeric Keypad How to Use the Fn Key Press numeric keys after pressing the «Fn» key when the message “Ready To Print” appears on the display screen. The function menu corresponding to the number entered is displayed. Use to enter numbers and characters. Press the key consecutively to switch between numbers and characters. Press the key until the desired character is displayed, and then press the «ENTER» button.
2. Setup Function No. Function Menu List Function No.
2. Setup Preparing Your Printer Unpacking This section explains how to unpack your printer and a set of consumables and paper. Injury may result. • Unpacking Lift this machine by 2 persons, because it weighs approximately 40 kg. • Installing Consumables • Loading Paper • Be sure to use the consumables or maintenance units provided with this printer at first. Otherwise, the life of the consumables or maintenance units may not be displayed correctly, or you may not be able to use them later.
2. Setup 4 Installing Consumables 1 Take the image drum "K: Black" set forward with the toner cartridge attached and put it on the surface prepared in step 3. Insert your finger into the recess on the right side of the printer and pull the front cover open lever (1) to open the front cover (2) forward. • Image drums are not locked on the printer. It can be removed by lifting it up. • Open the front cover gently. If opening rapidly, an MP tray may open.
2. Setup (2) Draw the protective sheet (5) in the direction of the arrow. Do not turn the toner cartridge lock lever (7) (blue). 6 7 Repeat from step 4 to step 6 to pull out all the image drum and remove all the protective sheet in the order of "Y: Yellow", "M: Magenta", and "C: Cyan". And put them back to the printer, then turn the toner cartridge lock lever. 8 Close the output tray (4) by pushing the center of the cover firmly. 9 Close the front cover (2).
2. Setup Loading Paper • The front cover cannot be closed securely if the output tray is not closed. For details on available paper, see "Supported Paper". • When the error message that the top or front cover is open does not disappear from the operator panel’s display screen, make sure they are closed securely. 1 Pull out the paper cassette (1). 2 Set the paper size dial (2) to match the loading paper size. Set the dial to [A4 ] when loading the A4 size paper with a landscape orientation.
2. Setup • If you draw the cassette with the printer power on, the paper size, paper type, and paper thickness of the tray are sometimes displayed on the panel. If you change paper, change the settings to the appropriate values. You can change the setting to hide the screen. To hide the tray paper size message, select [Admin Setup] > [Panel Setup] > [Paper setup when paper exchange] and set it to [Off]. • Do not load paper above the " " mark (5) on the paper guide.
2. Setup • If the size of paper whose size can be found on the dial such as A3 and A4, set [Cassette Size]. [Cassette Size] is set by factory default and you do not need to change for normal use.
2. Setup About the Power Supply Power Supply Conditions The power supply must meet the following conditions. This section explains condition of the power supply and how to turn on/off the printer. Voltage: 110 to 127V AC (Range 99 to 140V AC) / 220 to 240V AC (Range 198 to 264V AC) Frequency: 50/60 Hz ± 2% • Power Supply Conditions • Connecting the Power Code • Turning On the Power • If the power supply is unstable, use a voltage regulator.
2. Setup Connecting the Power Code Fire or electric shock may result. • • • • • • • • • • • • • • • • • • Be sure to turn this machine off before connecting and disconnecting the power cord and the ground wire. Be sure to connect the ground wire to the designated ground terminal. If this machine cannot be grounded, contact your dealer. Be sure not to connect the ground wire to the ground of a water pipe, gas pipe or telephone line, or to a lightning rod.
2. Setup Turning On the Power Turning Off the Power 1 1 Hold down the power switch for about 1 second to turn on the power. Hold down the power switch for about a second. The message “Shutting down. Please wait. Printer will turn off automatically” appears in the operator panel, and the power switch indicator blinks every 1 second. Then the printer turns off automatically and the power switch indicator goes out. • It may take about 5 minutes to turn off the power. Wait until it turns off.
2. Setup What You Should Do If You Do Not Use This Machine for an Extended Period of Time If you do not use this machine for an extended period of time due to holidays, trips, or other reasons, unplug the power cord from the outlet. • This machine does not have functional failures if the power cord is unplugged for an extended period of time (four weeks or more).
2. Setup 3 Test Printing from the Printer Press the «ENTER» button as [Execute] is selected. Check that you can print with the printer. Check the detailed settings and status of your printer by printing the contents of the settings (Configuration). • If you purchased optional equipment such as the additional tray unit, check the printer after mounting the optional equipment. For details on attaching optional equipment, see "Options".
2. Setup Changing the Administrator Password It is recommended to change the administrator password to protect your security. Set the administrator password using from 6 to 12 alphanumeric characters. Be careful not to forget the set password. 1 2 Press the scroll button several times to select [Admin Setup] and press the «ENTER» button. Enter the administrator password using the numeric (0-9) keys, and then press «ENTER» button. The factory default password is "123456".
3 Connecting to a Computer Connection Method and Flow Product Requirements Types of Drivers Connecting to a Wireless LAN Connecting a USB Cable Connecting a LAN Cable Installing a Printer Driver to a Computer Selecting a connecting method between different segments This section describes how to connect the printer to a computer and install the printer driver on the supplied DVD-ROM. When using the software DVD-ROM, prepare a computer with DVD drive.
3. Connecting to a Computer Connection Method and Flow This section describes the flow to connect the printer to a computer.
3. Connecting to a Computer Product Requirements Your printer supports the following operating systems: • Windows 10/Windows 10 (64bit Version) • Windows 8.1/Windows 8.1 (64bit Version) • Windows 8/Windows 8 (64bit Version) • Windows 7/Windows 7 (64bit Version) • Windows Server 2019 • Windows Server 2016 • Windows Server 2012 R2 • Windows Server 2012 • Windows Server 2008 R2 • Windows Server 2008/Windows Server 2008 (64bit Version) • macOS 10.14 - 10.12 / Mac OS X 10.11 - 10.
3. Connecting to a Computer Types of Drivers The types of the drivers that can be installed are as follows. If you do not know what driver to choose, choose the PCL printer driver. • PCL Printer Driver You can use it in C824/C834/C844/ES8434. The PCL printer driver is suitable for printing of business documents. • PS Printer Driver You can use it in C834/C844/ES8434. The PS printer driver is suitable for printing of documents including PostScript fonts and EPS data.
3. Connecting to a Computer Connecting to a Wireless LAN Connecting to an Access Point (Infrastructure) This section describes how to connect the printer and a computer using wireless LAN. For C824 and ES8434, the optional wireless LAN module is required to use wireless connection. • Install this machine in a place with a good view of the wireless access point. (We suggest that the distance between the machine and the wireless device be 30 m or less.
3. Connecting to a Computer When connecting to a wireless LAN with WPA/WPA3-EAP, refer to the “Setting IEEE802.1X (Wireless LAN) (Advanced Manual)”. • [Running pushbutton method...] is displayed for approximately two minutes. While this message is displayed, press the push button of the wireless LAN access point. • You cannot operate the panel when WPS is in progress.
3. Connecting to a Computer 3 4 Turn on the machine. 5 Enter the administrator password using the numeric (0-9) keys, and then press the «ENTER» button. Item Press the scroll button several times to select [Wireless(Infrastructure) Setting] and press the «ENTER» button. • Description Encryption method WEP Encryption key Enter the WEP key. If neither of the above two cases is applied Item The factory default administrator password is "123456".
3. Connecting to a Computer 2 3 4 Check that the wireless LAN access point starts and is operating properly. 5 Enter the administrator password using the numeric (0-9) keys, and then press the «ENTER» button. 12 Turn on the machine. Press the scroll button several times to select [Wireless(Infrastructure) Setting] and press the «ENTER» button. • It takes approximately 30 seconds for the machine to detect the wireless LAN access point.
3. Connecting to a Computer 8 Connecting to the Machine Directly (AP Mode) Wireless LAN (AP mode) directly connects wireless devices (computers, tablets, smartphones, etc.) to the machine without using a wireless LAN access point. Start the WPS-PBC (push button) operation on your wireless device to connect to the machine. When [Connection successful] is displayed, the setup of the wireless LAN is completed. If [Connection failed] is displayed, follow the steps in "Manual Setup" to try again.
3. Connecting to a Computer Connecting a USB Cable • For Windows, do not insert the other end of the USB cable into the computer until the instruction is displayed on the screen when the driver installation is in progress. Connect the printer to a computer using a USB cable. 1 Prepare a USB cable. A USB cable is not supplied. A USB2.0 cable is required. • USB3.0 is not supported. Go to the procedure to "Installing a Printer Driver to a Computer". • If you want to connect in USB 2.
3. Connecting to a Computer 4 Connecting a LAN Cable Insert the other end of the LAN (1) cable into the hub (2). Connect the printer to a computer using wired LAN network. Before installing the printer driver, connect the printer to a network using a LAN cable. 1 Prepare a LAN cable (1) and hub (2). 2 3 Turn off the machine. A LAN cable is not supplied. A LAN cable (category 5e or higher, twist pair, strait) is required. Next, set the Network information such as IP addresses of the printer.
3. Connecting to a Computer 7 Enter the administrator password, using the numeric (0-9) keys and press the «ENTER» button. If obtaining the IP address automatically, check that [Auto] is selected, and press the «ENTER» button. Proceed to the step 16. The factory default administrator password is "123456". If the administrator password is changed, enter the updated password. 8 9 10 Press the «BACK» button until [Network Setup] is displayed.
3. Connecting to a Computer 12 Press the scroll button button. 13 Enter the subnet mask in the same manner of IP address. All input was completed, then press the «BACK» button. 14 Press the scroll button «ENTER» button. to select [Subnet Mask], and press the «ENTER» to select [Gateway Address], and press the 15 Enter the Gateway Address in the same manner of IP address. All input was completed, then press the «BACK» button. 16 Press the «ON LINE» button to complete the network settings.
3. Connecting to a Computer Installing a Printer Driver to a Computer For Windows Install the printer driver from the "Software DVD-ROM" to the computer. • If your computer is not equipped with DVD-ROM drive or when updating the printer driver, download the printer driver from the "Oki Data website" to install. • Check the status of this machine before installing. 1 2 Check that the printer is connected to a computer and turned on. 3 When [Auto Play] is displayed, click [Run Setup.exe].
3. Connecting to a Computer 7 Select [Network connection] or [USB connection] in accordance to the connection method of the machine and computer. Check the software and click [Start]. If the [Windows Security Alert] dialog is displayed, click [Allow access]. Installation starts. 8 Select the model name of the machine, and then click [Next]. • The following software is installed.
3. Connecting to a Computer 12 If you do not need to update, click [Next]. If the following dialog is displayed, click [Yes]. Click [Confirm] if you need to update or you are not sure if updating is required. 14 If the following screen is displayed, click [Yes]. When the updating process is complete, click [Go]. 13 Click [Next]. - 48 - Click [Exit].
3. Connecting to a Computer For Mac • To change the name, enter a new name into [Name]. This section describes how to install the PS printer driver. 1 Make sure that the machine and a computer are connected and the machine 2 3 4 5 Insert the "Software DVD-ROM" into a computer. 6 7 8 Select [System Preferences] from the Apple menu. 9 10 is turned on. Double-click the [OKI] icon on the desktop. [Drivers] > [PS] > Double-click [Installer for OSX].
3. Connecting to a Computer Selecting a connecting method between different segments The printer can use wired LAN and wireless LAN simultaneously, to connect a device out of the segment, enable the default gateway of the connection method first. [Enabling Default Gateway] is [Wired] by factory default. When connecting between different segments using wired LAN, the following steps are not required. Change the settings only when connecting between different segments using wireless LAN.
4 Print Supported Paper Paper Loaded on the Tray How to Print from the Tray How to Print from the MP Tray Paper Output Canceling Printing This chapter describes how to print documents from a computer.
4. Print Supported Paper Paper Type Plain paper Paper Size mm (inch) A3 297 x 420 This chapter describes various information about paper that can be loaded in a paper tray of this machine. A4 210 x 297 A5 148 x 210 • Supported Paper Types For high-quality printing, be sure to use paper types that satisfy requirements such as those for material quality, weight, and surface finish. Please use digital photo print paper.
4. Print Paper Type Paper Size mm (inch) Index card Index card 76.2 x 127 (3 x 5) Label A4 210 x 297 Letter 215.9 x 279.4 (8.5 x 11) • Labels Paper Weight Labels must be of the type recommended for use in copiers and laser printers, in which the base carrier page is entirely covered by labels. Other types of label stocks may damage the machine due to the labels peeling off during the printing process. 0.1 to 0.
4. Print Paper Loaded on the Tray • Tray 2/3/4/5 (Optional) Available paper size Available paper sizes and types, and tray capacity are as follows. A3 A4 A5 (lengthwise direction) B4 B5 Tabloid Letter Legal13 Legal13.5 Legal14 Executive (lengthwise direction) 8.
4. Print • MP Tray Available paper size Tray capacity A3 A4 A5 A6 (lengthwise direction)*1 B4 B5 B6 B6 Half (lengthwise direction)*1 B7*1 B8 (lengthwise direction)*1 Tabloid Letter Legal13 Legal13.5 Legal14 Executive Statement*1 8.
4. Print How to Print from the Tray • Make sure to match the size of paper and that on the paper size dial. Otherwise, paper size error occurs and printing cannot be done. This section explains how to load paper in tray and print from tray. • For size of paper which can be loaded either horizontal or vertical such as A4, please be careful of the direction. Regarding media flexibility, please refer to "Supported Paper", "Paper Loaded on the Tray".
4. Print • Do not load paper above the " If the size of paper whose size can be found on the dial such as A3 and A4, set [Cassette Size]. The factory default is [Cassette Size] and you do not need to change usually. " mark (5) on the paper guide. Open a file you want to print, and print it in the following procedure • For Windows PCL Printer Driver 6 7 1 2 Select [Print] from the [File] menu. 3 On the [Setup] tab, select a paper size from [Size]. 4 5 6 Select [Tray 1] from [Source].
4. Print 6 • For Windows PS Printer Driver (C834/C844/ES8434) 1 2 3 4 5 6 7 8 • Mac PCL Printer Driver (C824 Only) Select [Print] from the [File] menu. 1 2 3 4 5 6 Click [Preferences] (or [property]). Select the [Paper/Quality] tab. Select [Tray 1] from [Paper Source] Click [Advanced]. Click [Paper Size] and select a paper size from the drop-down list. Click [OK]. Click [Print] on the [Print] Screen. • Mac PS Printer Driver (C834/C844/ES8434) 1 2 3 4 5 Start printing.
4. Print How to Print from the MP Tray 3 Unfold the sub support (4). 4 Open the paper set cover (5). 5 Adjust the manual feeding paper guide (6) to the width of paper to be loaded. 6 Insert the paper with the print side face up. This section explains how to load paper in the MP Tray and print from the MP Tray. Regarding media flexibility, please refer to "Supported Paper", "Paper Loaded on the Tray". • Do not load paper of different sizes, types or weights at the same time.
4. Print • Do not load paper exceeding the [ ] mark (7) of the paper guide. • When a printer is in the power saving mode, press «POWER SAVE» button to restore from the mode. • Make sure that the message "Ready To Print" is displayed in the operator panel. If the message is not displayed, press the «ON LINE» button. 8 Press the «Fn» key. 9 Enter «9» «0» using the numeric keypad and then press the «ENTER» button. • Use paper stored in proper temperature and humidity conditions.
4. Print 11 Press the «BACK» button until [MPTray Config] is displayed. 12 Press the scroll button «ENTER» button. 13 Press the scroll button to select the type of the loaded paper and then press the «ENTER» button. 14 Press the «BACK» button until [MPTray Config] is displayed. 15 Press the scroll button «ENTER» button. 16 Press the scroll button to select the weight of the loaded paper and then press the «ENTER» button. 17 Press the «ON LINE» button to exit the menu mode.
4. Print 2 Click [Preferences] (or [property]). 2 Click [Preferences] (or [property]). 3 4 On the [Setup] tab, select a paper size from [Size]. 3 4 5 6 Select the [Paper/Quality] tab. Select [Multipurpose Tray] from [Source]. • Printing one by one: Click [Paper feed option] on the [Setup] tab, and check the [Use MP tray as manual feed]. Select [Multi-Purpose Tray] from [Paper Source]. Click [Advanced]. Click [Paper Size] and select a paper size from the drop-down list.
4. Print 8 Click [Print] on the [Print] Screen. • Mac PS Printer Driver (C834/C844/ES8434) 1 2 3 4 5 6 From the [File] menu, select [Page Setup]. Select a paper size from [Paper Size] and then click [OK]. From the [File] menu, select [Print]. Select [Paper Feed] from the panel menu. Select [All pages From] and then select [Multi-Purpose Tray]. Start printing. • Mac PCL Printer Driver (C824 Only) 1 2 3 4 5 6 From the [File] menu, select [Page Setup].
4. Print Paper Output • Check that the rear output tray (1) on the rear side of the machine is closed. While the rear output tray is open, paper is always output to the rear output tray. The machine outputs paper to the Output tray or Rear output tray. Available paper for output trays.
4. Print 2 Unfold the paper support. 3 Open the sub support.
4. Print 5 Canceling Printing To cancel data currently being printed or ready to print, press the «CANCEL» button on the operator panel. When "Processing ..." or "Data present." is displayed, cancel printing on the operator panel of the machine. • For Mac 1 2 3 4 5 6 7 Press «CANCEL» button to display the screen below. To cancel printing, select "Yes", then press the «ENTER» button. To continue printing, select "No", and then press the «ENTER» button.
5 Energy Saving Function About Energy Saving Setting the Time Before Entering the Power Save Mode Setting the Time Before Entering the Sleep Mode Automatically Turning the Machine Off (Auto Power Off) Setting the Time Before Entering the Auto Power Off Mode This section describes the energy-saving function of the printer. Two power save modes called Power Save Mode and Sleep Mode help you save energy consumption of the printer.
5. Energy Saving Function About Energy Saving • Restore from the Sleep Mode or the Power Save Mode Press the «POWER SAVE» button to recover from Power Save Mode or Sleep Mode. This section describes each energy saving function. This printer has three energy saving functions: Power Save Mode, Sleep Mode and Auto Power OFF Mode. • The machine also recovers from Power Save mode, when some data is received from a computer or another device.
5. Energy Saving Function Setting the Time Before Entering the Power Save Mode • Available values are as follows. The factory default setting is 1 minute. 1 minute, 2 minutes, 3 minutes, 4 minutes, 5 minutes, 10 minutes, 15 minutes, 30 minutes, 60 minutes (For C824, [60 minutes] is not available.) • When a printer is in the power saving mode, press the «POWER SAVE» button to restore from the mode. 4 • Check if the message “Ready To Print” appears.
5. Energy Saving Function Setting the Time Before Entering the Sleep Mode • Available values are as follows. The factory default setting is 15 minutes. 1 minute, 2 minutes, 3 minutes, 4 minutes, 5 minutes, 10 minutes, 15 minutes, 30 minutes, 60 minutes (For C824, [60 minutes] is not available.) • When a printer is in the power saving mode, press the «POWER SAVE» button to restore from the mode. 4 • Check if the message “Ready To Print” appears.
5. Energy Saving Function Automatically Turning the Machine Off (Auto Power Off) The machine is equipped with the Auto Power Off function which automatically turns the power off if the machine is left unoperated for a certain period of time. There are three options for the Auto Power Off setting and [Auto Config] is set by factory default. • [Auto Config]: The machine automatically turns off after being left unoperated for a certain period of time unless the machine is in the following conditions.
5. Energy Saving Function Setting the Time Before Entering the Auto Power Off Mode • Available values are as follows. The factory default setting is 4 hours. 1 hour, 2 hours, 3 hours, 4 hours, 8 hours, 12 hours, 18 hours, 24 hours 4 • When a printer is in the power saving mode, press the «POWER SAVE» button to restore from the mode. • Check if the message “Ready To Print” appears. If the message is not displayed, press the «ON LINE» button. 1 Press the «Fn» key on the operator panel.
6 Troubleshooting When an Error Message Appears on the Display Screen (When the ATTENTION Indicator Lights Up/Blinks) Error Messages When Paper Jams Occur Other Issues This chapter provides solutions to the problems you may encounter while operating your machine. Meanings of symbols in error messages are as follows. • %COLOR% : Either of Cyan (C), Magenta (M), Yellow (Y) or Black (K). • %TRAY% : Either of Tray1, Tray2, Tray3, Tray4, Tray5 or MP Tray.
6. Troubleshooting When an Error Message Appears on the Display Screen (When the ATTENTION Indicator Lights Up/Blinks) Display Screen when the «HELP» button is pressed When a printer problem occurs, an error message appears on the display screen and the «ATTENTION» indicator on the operator panel lights up or blinks. Check the error message and deal with the problem according to the relevant procedure.
6. Troubleshooting Error Messages Message Please see the explanation of the message and handle the problem. At "XXX", a different message is displayed depending on the printer status. Error code Indicato r XXX Toner Sensor Error. Search keyword: P40959 540, 541, 542, 543 Lights up Something is wrong with the toner sensor of the indicated color or the image drum is not installed correctly. Install the toner cartridge or image drum of the indicated color correctly.
6. Troubleshooting Message Error code Indicato r Cause/Solution XXX %COLOR% Non Recommended Image Drum Detected. Search keyword: P40485 Lights up An optimum image drum is not installed. Use a image drum that matches your machine. The print quality is not guaranteed. XXX %COLOR% Image Drum Life. Search keyword: P40936 Lights up The image drum indicated on the screen reaches its lifetime. Replace the image drum with a new one. - Message Error code Indicato r Cause/Solution XXX NFC Unit Error.
6. Troubleshooting Message Error code Indicato r Cause/Solution XXX Print Restricted. Job Rejected Press ONLINE Button - Lights up A print job was deleted due to an unauthorized user. Contact your administrator for printing. To erase the message, press «ONLINE» button. XXX Log Buffer is Full. Job Rejected Press ONLINE Button - Lights up Print data is deleted because the accounting log buffer is full. Contact a printer administrator and remove the log buffer.
6. Troubleshooting Message Summary Account balance is 0. %USERNAME% %ACCOUNTNAME% Increase the balance and press [Enter] Press [Cancel] to cancel. Error code - Indicato r Blinks Cause/Solution The number of print jobs excesses the limit. No more print jobs are authorized. Contact the printer administrator. 480 Remove Paper Output Tray Please see HELP for details Blinks Paper in the output tray is full. Remove the handout.
6. Troubleshooting Message Error code Indicato r Non Recommended Toner 549, 550, %COLOR% 551, 552, Please see HELP for details 553, 554, 555, 556, 557, 614, 615, 616, 617, 620, 621, 622, 623 Blinks Toner Not Installed 610, 611, %COLOR% 612, 613 Please see HELP for details Blinks Non Recommended Image Drum %COLOR% Please see HELP for details Cause/Solution The supplied starter toner cartridges are installed in the consumable image drums.
6. Troubleshooting Message Error code Paper jam occurred 390 Paper remained in %NUM% place(s) Remove the paper 391, 392, Press Help for details 393, 394, 395 380 Indicato r Cause/Solution Blinks A paper jam has occurred in the paper feed path from the MP tray. Remove the jammed paper. Blinks A paper jam has occurred in the paper feed path from the indicated tray. Remove the jammed paper. If paper is not jammed, feeding paper may fail.
6. Troubleshooting Message Error code Indicato r Cause/Solution Fuser Unit Not Installed 699 Please see HELP for details Blinks The fuser unit is not properly installed. Remove and reinstall the fuser unit. Check Belt Unit 330 Please see HELP for details Blinks The belt unit is not properly installed. Remove and re-install the belt unit.
6. Troubleshooting Message Power Off/On nnn:Fatal Error PC:nnnnnnnn LR:nnnnnnnn FR:nnnnnnnn Error code Indicato r Fatal, Blinks 002~011, F0C, F0D, FFE, FFF Cause/Solution A fatal error occurred on the printer. Contact your dealer and tell them the number in the error message and how the machine works. The error code is displayed within the range 0x001 to 0xfff.
6. Troubleshooting When Paper Jams Occur Error Code "370", "371", "373" A paper jam has occurred around the duplex unit. This section describes how to handle when a paper jam occurs. Check the error code on the operator panel and see the corresponding section. 1 Take out the duplex unit (1) by pulling it upward while holding the center 2 Check for jammed paper inside the machine. If jammed paper remains, remove it. recess on the back of the machine.
6. Troubleshooting 3 4 5 Check for jammed paper in the duplex unit. If jammed paper remains, pull it out gently. Check the back side of the duplex unit and remove jammed paper gently if it remains. Error Code "372" A paper jam has occurred around the front cover. 1 Insert your finger into the recess on the right side of the machine and pull the 2 Remove the jammed paper gently in the direction of the arrow if an edge of jammed paper can be seen, and then go to step 8.
6. Troubleshooting 3 4 Take out the duplex unit (3) by pulling it obliquely upward while holding the center recess on the back of the machine. 6 Open the upper duplex unit cover (4) and check for jammed paper. If jammed paper remains, remove it, and close the cover. 7 Replace the duplex unit (3) to the machine. 8 Close the front cover (2). Check for jammed paper inside the machine. If jammed paper remains, remove it. • If paper is invisible, check the innermost part of the printer.
6. Troubleshooting 3 Error Code "380", "401", "637" Close the front cover (2). A paper jam has occurred around the front cover. When the error code 401 is displayed, paper may have automatically ejected. In this case, open and close the front cover to clear the error. 1 Insert your finger into the recess on the right side of the machine and pull the front cover open lever (1) to open the front cover (2) forward. Task is complete.
6. Troubleshooting 2 Error Code "381", "638" A paper jam has occurred near the image drum. Press the open button (3) and open the output tray (4). Burns may result. Remove the jammed paper by following the procedure below. The fuser unit is extremely hot. Do not touch it. 1 Insert your finger into the recess on the right side of the machine and pull the front cover open lever (1) to open the front cover (2) forward. 3 - 87 - Remove all four image drums and place them on a flat surface.
6. Troubleshooting 5 • Use extra care when handling the image drum (the green cylinder), because it is fragile. 4 Pull out the jammed paper gently to the rear of the machine (the direction of the arrow) if an edge of jammed paper can be seen. Pull out the jammed paper gently while lifting the release levers (5) on the fuser unit if an edge of jammed paper cannot be seen. Cover the removed image drums with paper so that the image drums are not exposed to light.
6. Troubleshooting • Use extra care when handling the image drum (the green cylinder), because it is fragile. • The front cover cannot be closed if the output tray is not closed securely. Task is complete. 7 Close the output tray (4) by pushing the center of the cover firmly. 8 Close the front cover (2).
6. Troubleshooting 2 Error Code "382", "383", "385", "639", "640" A paper jam has occurred near the fuser unit. Press the open button (3) and open the output tray (4). Burns may result. Remove the jammed paper by following the procedure below. The fuser unit is extremely hot. Do not touch it. 1 Insert your finger into the recess on the right side of the machine and pull the front cover open lever (1) to open the front cover (2) forward.
6. Troubleshooting 5 Remove the jammed paper remaining inside of the unit. 6 Lift the left lock lever (5) of the fuser unit forward. • Use extra care when handling the image drum (the green cylinder), because it is fragile. 4 Cover the removed image drums with paper so that the image drums are not exposed to light.
6. Troubleshooting 7 Hold the fuser unit handle (6) and lift the fuser unit out of the machine. 8 Lift the release levers (7) on the fuser unit, and pull out the jammed paper forward gently. 9 10 • If paper is pulled out towards the rear, this may result in soiled prints. - 92 - If jammed paper remains in the machine, hold the both sides of the paper to remove it gently. Hold the fuser unit handle (6) and place the fuser unit into the machine.
6. Troubleshooting 11 12 Push the left lock lever (5) of the fuser unit backward. 13 Close the output tray (4) by pushing the center of the cover firmly. 14 Close the front cover (2). Cannot close the front cover securely if the output tray is not closed. Return all four image drums into the machine carefully. • Use extra care when handling the image drum (the green cylinder), because it is fragile. Task is complete.
6. Troubleshooting 3 Error Code "390", "637" Remove the jammed paper gently by pulling the edge of paper. A paper jam has occurred while feeding paper from a tray. Remove the jammed paper by following the procedure below. 1 If there is any paper on the MP tray, lift the paper set cover (1) and take it out. • Do not use force when pulling out paper. This might damage the printer.
6. Troubleshooting 4 Close the front cover (3). Error Code "391", "392", "393", "394", "632", "633", "634" A paper jam has occurred while feeding paper from a tray. • If paper jams occur frequently, clean the paper feed rollers. For details, refer to "Cleaning". This procedure uses Tray 1 as an example. 5 If loading paper on MP tray, lift the paper set cover (1) and set the paper with the print side face up. 6 Lower the paper set cover (1).
6. Troubleshooting 3 5 Push the paper cassette (1) back into the machine. Close the front cover (3). Task is complete. Open and close the front cover to clear the error. 4 Insert your finger into the recess on the right side of the machine and pull the front cover open lever (2) to open the front cover (3) forward.
6. Troubleshooting Other Issues Unable to Print from a Computer This section explains the issues you may encounter while operating your printer and how to solve them. See the corresponding items for Monitoring Tool, Mobile Print, AirPrint, Google Cloud Print, and troubles related to the NFC. • Check the following explanations, smartphone app and "FAQ" in the Oki Data Web site. • If you cannot solve a problem with the following solutions, contact your dealer.
6. Troubleshooting Cause Solution The machine is processing data from Wait until printing is complete. another interface. [Receiving data timeout] or [Invalid Data] is displayed on the operator panel and the machine does not print. Wireless LAN is Not available (Infrastructure) Reference - At Print Network Information and Wireless(Infrastructure) Information, check the following explanation while checking the items numbered (1) to (6) in the figure below.
6. Troubleshooting Wireless LAN is Not available (AP Mode) • Network communication is Not stable Cause RSSI is low. * Refer to as shown above. Solution Reference At Print Network Information and Wireless(AP Mode) Information, check the following explanation while checking the items numbered (1) to (6) in the figure below. The received signal strength is weak. Install this machine in a place with a good view of the wireless access point.
6. Troubleshooting USB Connection Problems Unable to Install a Printer Driver Successfully • Common to Windows and Mac Cause Solution An unsupported USB cable is used. Use a USB 2.0 cable. USB 3.0 is not supported. A USB hub is used. When using a USB cable, directly connect the machine to the computer. USB hub is not supported. A printer driver is not installed correctly. Reference • Check the following explanations, smartphone app and "FAQ" in the Oki Data Web site.
6. Troubleshooting Horizontal Lines and Spots Appear Periodically Image Quality Issues White Area on Paper is Lightly Stained This section describes problems with print results. Click the corresponding symptom and check the remedy. • Check the following explanations, smartphone app and "FAQ" in the Oki Data Web site. • If you cannot solve a problem with the following solutions, contact your dealer.
6. Troubleshooting White Patches Appear Color of the printed image is not what you expect Vertical White Lines Appear Cause - 102 - Solution The LED head is dirty. Wipe the LED head with a soft tissue paper. The toner is low. If "Toner Low" or "Toner Empty. Replace with new Toner Cartridge." appears, replace the toner cartridge. The light-shielding film of the image drum is dirty. Wipe the light-shielding film with a soft tissue paper. The image drum is not installed properly.
6. Troubleshooting Printed Images are Fading Vertically Cause Solution The LED head is dirty. Wipe the LED head with a soft tissue paper. The toner is low. If "Toner Low" or "Toner Empty. Replace with new Toner Cartridge." appears, replace the toner cartridge. The paper is unsuitable. Use recommended paper. Printed Images are Light Reference Cause Cleaning the LED Head Replacing the Toner Cartridge Solution The toner is low. If "Toner Low" or "Toner Empty. Replace with new Toner Cartridge.
6. Troubleshooting White Spots and Lines Appear Dew Condensation Appears on Printed Paper Cause The paper is damp. Solution Reference Use paper stored under proper temperature and humidity conditions. Loading Paper Supported Paper Cause The paper is damp or dry. Solution Use paper stored under proper temperature and humidity conditions. Reference Loading Paper Supported Paper - 104 - The machine is printing when the temperature and humidity conditions are high.
6. Troubleshooting Vertical Lines Appear Cause Horizontal Lines and Spots Appear Periodically Solution The toner is low. If "Toner Low" or "Toner Empty. Replace with new Toner Cartridge." appears, replace the toner cartridge. The image drum is damaged. Replace the image drum. The paper guides are not properly set. Check the positions of the paper guides on the paper tray. Reference Cause If lines or spots in a specific color occur in approximately 94 mm (3.
6. Troubleshooting White Area on Paper is Lightly Stained Cause Solution The paper has a static charge. Use paper stored under proper temperature and humidity conditions. The paper is too thick. Use thinner paper. The Periphery of Characters is Smudged Reference Cause Loading Paper Supported Paper If "Toner Low" or "Toner Empty. Replace with new Toner Cartridge." appears, replace the toner cartridge. Wipe the LED head with a soft tissue paper. The paper is unsuitable. Use recommended paper.
6. Troubleshooting The Entire Paper Area is Lightly Stained When Printing on Envelopes or Coated Paper Cause Solution The toner may stick to the whole area This is not a malfunction. of the envelope or coated paper. Coated paper is not recommended. Toner Comes Off When Printed Paper is Rubbed Reference Cause - The settings of the media type and weight are incorrect. Recycled paper is used.
6. Troubleshooting Uneven Gloss Cause The settings of the media type and weight are incorrect. Black or White Dots Appear Solution Press the scroll button or , select [Menus] > [Tray Configuration] > the paper tray you are using, and then select the proper value for [Media Weight]. Or, select a thicker value for [Media Weight]. Reference Cause Loading Paper Use recommended paper. If a lot of paper dust attaches to paper, separate paper sheets before setting.
6. Troubleshooting Dirt is Printed Cause The Entire Page is Printed Black Solution The paper is damp. Replace the damp paper with new paper. The paper is unsuitable. Use recommended paper. Reference Cause A malfunction may occur in the machine. Loading Paper Supported Paper Loading Paper Supported Paper - 109 - Solution Contact your dealer.
6. Troubleshooting Nothing is Printed Cause White Patches Appear Solution Two or more sheets of paper are fed at the same time. Fan the paper well and load the paper again. A malfunction may occur in the machine. To check if the machine can print alone, print a menu map. If the menu map cannot be printed correctly, contact your dealer. Reference Cause Loading Paper Solution The paper is damp. Replace the damp paper with new paper. The paper is unsuitable. Use recommended paper.
6. Troubleshooting Color of the printed image is not what you expect Cause The toner is low. The setting of [Black Finish] is not suitable for the application. Solution If "Toner Low" or "Toner Empty. Replace with new Toner Cartridge." appears, replace the toner cartridge. On the printer driver, select [Composite Black (CMYK)] or [True Black (K)] for [Black Finish]. The color adjustment has been modified. Do color matching from the printer driver. The color balance is out of adjustment.
6. Troubleshooting Symptom Paper often jams. Cause Solution Reference Paper dust attaches to the Clean the paper feed rollers. paper feed rollers. Symptom Cleaning the Paper Feed Rollers (Tray 1/ Tray 2/Tray 3/ Tray 4/Tray 5) Cleaning the Paper Feed Rollers (MP Tray) Paper is not fed. The [Paper Feeding Source] setting on the printer driver is specified incorrectly. Check the paper tray, and then select the correct tray in [Paper Feeding Source] on the printer driver.
6. Troubleshooting Symptom Problems on the Machine • Check the following explanations, smartphone app and "FAQ" in the Oki Data Web site. • If you cannot solve a problem with the following solutions, contact your dealer. Symptom Cause Nothing is displayed on the The power cord is display screen after turning unplugged. the machine on. The power is out. The machine does not operate. Solution Reference Turn the machine off, and then plug in the power cord firmly.
6. Troubleshooting Symptom There is an abnormal sound. There is a buzzing sound. Cause Solution Reference The machine is inclined. Place the machine on a flat surface. There are waste paper or foreign objects inside the machine. Check inside the machine, and then remove any objects. The output tray is opened. Close the output tray. - The machine is printing on heavy or light paper when the temperature inside is high. This is not a malfunction. You can proceed with the operation.
6. Troubleshooting Symptom Cause Solution The machine turns off automatically. If the machine is not used for a certain period of time (the factory default is 4 hours), the machine turns off automatically. This function is called Auto Power Off. The web page does not open. The IP address is incorrect. Check the IP address to the machine, and then enter proper value. Press the scroll button to select [Admin Setup] > [Power Setup] > [Auto Power Off], and then disable the function.
7 Maintenance Replacing Consumables Replacing Maintenance Units Cleaning Moving This Machine Transporting This Machine Before the printer disposal Deleting a Printer Driver Updating the Software Updating the Firmware This chapter explains how to replace consumables and maintenance units, clean the printer, and move or transport the printer.
7. Maintenance Replacing Consumables Cautions When Replacing Observe the following cautions when replacing. This section explains how to replace consumable items. Toner cartridges and image drums are consumables. • Cautions When Replacing Do not throw the toner or toner cartridge into a fire. The toner will scatter, resulting in burns.
7. Maintenance Replacing the Toner Cartridge This section describes how to recognize the replacement period of Toner Cartridges. If you swallow toner, spit it out. Seek medical advice if necessary. When the "[COLOR] Toner Low" message ("[COLOR]" indicates C (cyan), M (magenta), Y (yellow) or K (black)) which appears on the display screen, prepare a replacement toner cartridge. When handling a paper jam or replacing toner cartridges, use care not to let your clothes or hands get dirty with toner.
7. Maintenance 4 For K (black) Toner Cartridge Only Lift the toner cartridge (4) from the right side, and remove it from the machine. Burns may result. • When replacing the C, M, Y toner cartridges, refer to "For C (cyan), M (magenta), Y (yellow) Toner Cartridge". 1 2 Never throw used toner cartridges into a fire. They may explode, and the toner inside may fly off and cause burns. Prepare a new [K] toner cartridge.
7. Maintenance 6 8 Remove the tape (5) from the toner cartridge. While pressing the toner cartridge, turn the toner cartridge lock lever (blue) (3) backward until its to aligns on the mark, and lock the toner cartridge to the image drum. You will hear a click when it is locked in place. 7 Insert a new toner cartridge (6) by aligning its left side indentation (7) with the protrusion (8) on the image drum so the toner cartridge and image drum [K] color label align.
7. Maintenance For C (cyan), M (magenta), Y (yellow) Toner Cartridge • If you have to dispose of used toner cartridges, put them into polyethylene bags or other container, and be sure to follow the regulations or instructions of your local government. • When replacing only the K toner cartridge, refer to "For K (black) Toner Cartridge Only". 1 2 - 121 - Prepare new toner cartridges.
7. Maintenance 3 Press the open button (3) and open the output tray (4). 5 Turn the toner cartridge lock lever (blue) (5) of the toner cartridge toward you until its top align on the mark to detach the toner cartridge from the image drum. 6 Lift the toner cartridge (6) from right side, and remove it from the machine. Burns may result. The fuser unit is extremely hot. Do not touch it. Burns may result. Never throw used toner cartridges into a fire.
7. Maintenance 7 10 Unpack a new toner cartridge and shake it several times vertically and horizontally. While pressing the toner cartridge, turn the toner cartridge lock lever (blue) (5) backward until its to aligns on the mark, and lock the toner cartridge to the image drum. You will hear a click when it is locked in place. 8 Remove the tape (7) from the toner cartridge. • Closing the cover without turning the toner cartridge lock lever (blue) may cause a malfunction.
7. Maintenance 12 Close the front cover (2). Replacing the Image Drum This section describes how to recognize the replacement period of an image drum, and how to replace the image drum. When the "[COLOR] Image Drum Near Life" message appears on the display screen, prepare a replacement image drum. If you continue printing, the message "[COLOR] Image Drum Life" will be displayed and printing will stop. When the "Please install new Image Drum Unit.
7. Maintenance 3 Replacing the Image Drum Only This section describes how to replace the image drum when you want to continue using the toner cartridge. Press the open button (3) and open the output tray (4). Burns may result. The fuser unit is extremely hot. Do not touch it. • If you use a new image drum with the toner cartridges currently in use, the remaining amount indication of the toner cartridges will not display correctly.
7. Maintenance 7 Lift the toner cartridge (7) from the right side, and remove it from the image drum. 8 9 Unpack a new image drum and place it on a flat surface. • Use extra care when handling the image drum (the green cylinder), because it is fragile. • Image drums are not locked on the printer. They can be removed just by lifting. 6 Turn the toner cartridge lock lever (blue) (6) of the toner cartridge toward you until its top align on the mark while pressing the toner cartridge.
7. Maintenance cartridge and image drum color label align. Then insert the right side gently into place. 12 • Use extra care when handling the image drum (the green cylinder), because it is fragile. Turn the toner cartridge lock lever (blue) (6) of the toner cartridge backward until its top align on the mark while pressing the toner cartridge to attach the toner cartridge to the image drum. 14 Close the output tray (4) by pushing the center of the output tray (4) firmly.
7. Maintenance Replacing the Image Drum and Toner Cartridge at the Same Time • The front cover cannot be closed if the output tray is not closed securely. This section describes how to replace the image drum and toner cartridge with new ones at the same time. • Use extra care when handling the image drum (the green cylinder), because it is fragile. • Do not expose the image drum to direct sunlight or strong light (approximately 1,500 lux or more).
7. Maintenance 3 5 Press the open button (3) and open the output tray (4). Remove the image drum (5) from the machine and place it on a flat surface. Burns may result. Burns may result. The fuser unit is extremely hot. Do not touch it. Never throw a used image drum or toner cartridge into a fire. They may explode, and the toner inside may fly off and cause burns. • Use extra care when handling the image drum (the green cylinder), because it is fragile. 4 • Image drums are not locked on the printer.
7. Maintenance 8 Remove the toner cover. 9 Unpack a new toner cartridge and shake it several times vertically and horizontally. 11 Insert a new toner cartridge (7) by aligning its left side indentation (8) with the protrusion (9) on the image drum so that the toner cartridge and image drum color label align. Then insert the right side gently into place.
7. Maintenance • Use extra care when handling the image drum (the green cylinder), because it is fragile. • The front cover cannot be closed if the output tray is not closed securely. 16 14 Close the output tray (4) by pushing the center of the output tray (4) firmly. 15 Close the front cover (2). Please recycle image drums and toner cartridges.
7. Maintenance Replacing Maintenance Units Replacing the Belt Unit When the "Belt Unit Near Life" message appears on the display screen, prepare a replacement belt unit. You can keep printing approximately 2,000 pages until the next message appears. This section explains how to replace maintenance units. A fuser unit and a belt unit are maintenance parts. When the "Change Belt Unit" message appears, replace the belt unit.
7. Maintenance 2 3 Insert your finger into the recess on the right side of the machine and pull the front cover open lever (1) to open the front cover (2) forward. • Use extra care when handling the image drum (the green cylinder), because it is fragile. Press the open button (3) and open the output tray (4). Burns may result. 5 The fuser unit is extremely hot. Do not touch it. 4 Take all the four image drums out of the machine, and then place them on a flat surface.
7. Maintenance 6 Turn the blue knobs (5) on each side of the belt unit in direction of the arrow to unlock. 8 Hold the blue handle of a new belt unit, support the bottom of the belt unit, and insert the axis of the belt unit into the groove (7) in the printer. 7 Remove the belt unit by holding the blue handle (6). 9 Lower the handle side of the belt unit and set the belt unit to the machine.
7. Maintenance 10 Turn the blue knobs (5) on both sides of the belt unit in the direction of the arrow to lock the belt unit. • Use extra care when handling the image drum (the green cylinder), because it is fragile. • Do not forget to turn the knobs and lock the belt unit. If you do not turn the knobs to lock the belt unit, image drum cannot be attached properly. 11 12 Close the output tray (4) by pushing the center of the output tray firmly. 13 Close the front cover (2).
7. Maintenance Replacing the Fuser Unit • The front cover cannot be closed if the output tray is not closed securely. When the "Fuser Unit Near Life" message appears on the display screen, prepare a replacement fuser unit. You can keep printing approximately 2,500 pages until the next message appears. When the "Change Fuser Unit" message appears, replace the fuser unit. When using A4 paper (simplex printing), the estimated replacement cycle of a fuser unit is approximately 100,000 pages.
7. Maintenance 2 3 Insert your finger into the recess on the right side of the machine and pull the front cover open lever (1) to open the front cover (2) forward. Press the open button (3) and open the output tray (4). Possible to get burned. Since the fuser unit gets hot, carry out the operation carefully, and when lifting it up you must hold it by the handle. Do not try to hold it whilst it is hot. Wait until it has cooled down and then carry out the operation.
7. Maintenance 6 Peel off the tape from the new fuser unit, and pass the tape through the handle of the fuser unit. 7 Pull the protective sheet in the direction of the arrow to remove. 9 10 8 Pull forward the left locking lever (5) of the fuser unit. - 138 - Hold the handle and place the new fuser unit into the machine. Push back the left locking lever (5) of the fuser unit to lock.
7. Maintenance 11 Close the output tray (4) by pushing the center of the output tray firmly. 12 Close the front cover (2). • The front cover cannot be closed if the output tray is not closed securely. 13 Please recycle fuser unit. • If you must dispose of a fuser unit, put it in a plastic bag or similar container and dispose of it in accordance with your municipality's ordinances or guidelines.
7. Maintenance Cleaning Cleaning the Surface of the Machine This section describes how to clean each part of the printer. • Do not use benzine, thinners, or alcohol, because they may damage the plastic parts of the machine. • Do not lubricate the machine with oil. Do not apply oil. • Cleaning the Surface of the Machine 1 • Cleaning the LED Head • Cleaning the Light-shielding Film Turn off the machine.
7. Maintenance 2 Cleaning the LED Head Clean the LED head if vertical white lines appear, images are faded, or the periphery of letters are smudged in the printouts. Press the open button (3) and open the output tray (4). Burns may result. The fuser unit is extremely hot. Do not touch it. • Do not use solvents, such as methyl alcohol or thinners, because they may damage the LED head. • Do not expose the image drum to direct sunlight or strong light (approximately 1,500 lux or more).
7. Maintenance 4 Close the output tray by pushing the center of the output tray firmly. Cleaning the Light-shielding Film If the light-shielding film of the image drum becomes dirty, wipe the film by following the procedures below. 1 5 Close the front cover (2). • The front cover cannot be closed if the output tray is not closed securely. - 142 - Insert your finger into the recess on the right side of the machine and pull the front cover open lever (1) to open the front cover (2) forward.
7. Maintenance 2 Press the open button (3) and open the output tray (4). 6 Close the output tray by pushing the center of the output tray firmly. 7 Close the front cover (2). Burns may result. The fuser unit is extremely hot. Do not touch it. • The front cover cannot be closed if the output tray is not closed securely. 3 4 Remove the image drum. 5 Put the image drum back to the printer. Wipe the light-shielding film (5) with soft tissue paper.
7. Maintenance Cleaning the Paper Feed Rollers (Tray 1/Tray 2/Tray 3/Tray 4/ Tray 5) 4 Wipe the paper feed roller (3) on the paper cassette with a wet cloth that has been wrung out well. 5 6 Load paper in the paper cassette. Clean the paper feed roller in the paper tray and the rollers inside the machine. An example of Tray 1 is covered in the following procedure, and the same procedure applies to Tray 2/3/4/5. 1 Pull out the paper cassette (1).
7. Maintenance Cleaning the Paper Feed Rollers (MP Tray) 4 Open the paper set cover (5) until it touches to the machine body. 5 Wipe paper feed rollers with a wet cloth that has been wrung out well. If paper jams occur frequently, clean the paper feed rollers. 1 2 Open the MP tray (2) forward by inserting your fingers into the front recesses (1). Slightly lifting the MP tray (2), press the right arm (3) inward, then unlock the tab (4).
7. Maintenance 6 9 Open the separation roller cover (6) forward while pressing the center part of the MP tray. 10 7 Lower the paper set cover (5). While pressing the right arm (3) on the MP tray (2) inward, slightly lift the MP tray (2) and hook the tab (4). Wipe the separation rollers (7) with a wet cloth that has been wrung out well. • Closing the MP tray without putting the tab back in place may crack the paper set cover. Be sure to put it back in place. 8 Close the separation roller cover (6).
7. Maintenance 12 Close the MP tray. Cleaning the Resist Roller If the MP tray cannot be closed, press the paper setting part of the MP tray downward to put the paper set cover back in place. Clean the resist rollers in the following steps when they are dirty. 1 2 Open the front cover. Wipe the metal part (1) and (2) of the resist roller which can be seen in front with a soft tissue paper. • When cleaning the metal part (2), do not touch the rubber roller which contacts the metal part (2).
7. Maintenance Moving This Machine Injury may result. Lift this machine by 2 persons, because it weighs approximately 40 kg. 1 2 3 4 Turn off the machine. Unplug all the cables. • Power cord • LAN or USB cable Remove any paper from the paper cassettes. Lift up this machine, and then move it to a new location.
7. Maintenance Transporting This Machine 4 Insert your finger into the recess on the right side of the machine and pull the front cover open lever (1) to open the front cover (2) forward. 5 Press the open button (3) and open the output tray (4). Injury may result. Lift this machine by 2 persons, because it weighs approximately 40 kg. Burns may result. The fuser unit is extremely hot. Do not touch it. • Use extra care when handling the image drum (the green cylinder), because it is fragile.
7. Maintenance 6 7 Hold the toner cartridge with both hands and pull it out along with the image drum. Pull out all 4 colors of toner cartridge and image drums, and set it on a flat surface covered with sheets of newspaper, etc. 8 Put the 4 image drums/toner cartridges into the machine. 9 Close the output tray (4) by pushing the center of the output tray firmly. Secure the toner cartridge with plastic tape (5) on each image drum. 10 - 150 - Close the front cover (2).
7. Maintenance • The front cover cannot be closed securely if the output tray is not closed. 11 • Pack the printer unit and optional additional tray units separately and transport them. If optional additional tray units are installed, detach the parts connecting the machine and the additional tray units. Follow the steps for installation in reverse to detach. Installing the Additional Tray Unit(s) • Take care not to lose the connecting parts.
7. Maintenance Before the printer disposal We highly recommend you to erase registered personal information and saved data in the machine before you relinquish the machine. The following information is saved in the machine. Admin Password Values set to menu items Private print data Various histories Access control, user management data (local users, external user cache [LDAP, Kerberos]) Erase the stored data by following the procedures below.
7. Maintenance This section describes how to remove the printer driver that is installed in a computer. 11 12 Depending on your OS, printer driver version, the description on this document may be different. • For Mac OS Deleting a Printer Driver Click [Close] in the [Print Server Properties] dialog. Restart the computer. • For Windows • You must log in as the administrator to perform this procedure. • You must log in as the administrator to perform this procedure.
7. Maintenance Updating the Software 4 Read the license agreement, and then click [Accept]. 5 Installation starts. Update the printer software to the latest version. A computer connected to the Internet is required. For Windows users, use Monitoring Tool. For Mac OS, visit the Oki Data website. • For Windows 1 2 3 In order to update the software, install [Monitoring Tool] to the computer.
7. Maintenance 8 When [The latest software] is displayed in the [Status] field of the installed software, the software update is complete. 9 Quit [Monitoring Tool].
7. Maintenance Updating the Firmware 3 Registrable printers are displayed on the [Register printer] screen. 4 Enter the administrator password of the printer on the [Administrator password authentication] screen, click [OK]. 5 Make sure that the checked printer is displayed on the [Monitoring Tool] screen, and finish [Monitoring Tool]. Check the printers that you want to register and click [Register]. Update the printer firmware (device control program) to the latest version.
7. Maintenance 2 If there are printers with updatable firmware, [Update recommended] is displayed in the [Update] field. Mark the checkbox of the device, and click [Update firmware]. 3 Enter the administrator password of the printer on the [Administrator password authentication] screen, click [OK]. 4 The latest firmware is downloaded from the Oki Data website and the firmware of the printer is updated. • Please do not turn the power of the printer off while the firmware is being updated.
8 Appendix How to open printer folder Menu List of the Operator Panel Options Specifications
8. Appendix How to open printer folder This section describes how to open the printer driver icon folder in each version of Windows. • For Windows 10 (Version 1703 and later)/ Windows Server 2019 1 2 Click [Start] and display the application list. Select [Windows System] > [Control Panel] > [View devices and printers]. • For Windows Server 2012 R2/ Windows Server 2016 Select [Control Panel] > [View devices and printers]. • For Windows 10/ Windows 8/ Windows 8.
8. Appendix Menu List of the Operator Panel Numbers following the Fn in the menu items indicate the function numbers. menu_tree_en[650KB] Adobe Reader must be installed on your computer to view the manual in PDF format.
8. Appendix Options • Be sure to turn off your printer and unplug the AC cord and Ethernet or USB cable before installing options. Installing options while your printer is turned on may damage your printer and options. This section explains how to install optional equipment. The following options are available for your printer: • Duplex Unit • After installing options, set the option settings with a printer driver. Refer to “When Adding Options”.
8. Appendix Installing the Duplex Unit (C824n, C834nw Only) 3 Remove blind cover of the printer back. 4 Ensure that the duplex unit is the right way up, as shown, and push it into the slot at the rear of the printer. The duplex unit adds the function of two-sided printing, using less paper and making large documents easier to handle. It also enables booklet printing, which uses even less paper and makes large documents even easier to handle.
8. Appendix 6 Print "Menu map". Installing the Wireless LAN module (C824, ES8434 Only) If "Duplex unit" is displayed, the duplex unit is properly attached. Install the wireless LAN module when you want to use a wireless connection. Set the wireless LAN module to [Enable] after installing. Also you can directly connect wireless devices (computers, tablets, smartphones, etc.) to the machine without using a wireless LAN access point.
8. Appendix 4 5 6 7 Install the Wireless LAN module to the printer. Press the scroll button «ENTER» button. , select [Wireless Module], and then press the 10 Press the scroll button button. , select [Enable], and then press the «ENTER» 11 Press «Online» button. Close the Wireless LAN module cover. Plug the AC cord, and then Turn on your printer. When this machine turns on and [PLEASE WAIT] is displayed on the display screen, press the «ENTER» button.
8. Appendix 2 Installing the Caster Base Caster Base is a base with casters for moving the printer. Stoppers for fall prevention are equipped. When you attach the additional tray units, the use of the caster base is highly recommended. • When attaching three or more additional tray units, be sure to install the caster base. • The packing box and packing material are required for transporting the caster base. Do not dispose of them, and keep them for future use.
8. Appendix 3 aligned with the back of the additional tray unit that is already connected to the caster base. Connect the printer unit and the caster base or the additional tray unit and the caster base. The figure shows an example of the additional tray unit and the caster base connected. 4 5 When adding on a further additional tray unit, gently place the unit on top so that the protrusions at the rear of the additional tray unit to be attached are - 166 - Join the additional tray units together.
8. Appendix 6 When two or more additional tray units have been attached, gently place the printer unit on top so that the back of the additional tray unit is aligned with the back of the printer unit. 7 When attaching the additional tray unit, connect the printer unit and the additional tray unit. 8 Lock the casters. 9 When three or more additional tray units have been attached, pull out the tipover protection tools before using the printer. Up to four additional trays may be installed.
8. Appendix How to Use the Tip-over • When performing actions such as transporting this machine, replacing consumable and maintenance parts, or setting paper onto the tray, please observe the following precautions to prevent the machine from tipping over. You can find two tip-over protection tools on the left and right sides of the caster base, and also two tools on its back side. Pull them straight out, then turn them 90° counter-clockwise until they click.
8. Appendix Installing the Additional Tray Unit(s) 2 Place the additional tray unit on the base so that the back of the additional tray unit aligns to the protrusion (1) on the back of the caster base. 3 Connect the additional tray unit to the caster base. If you want to load more paper, install additional tray units. You must set the printer driver after installing. Up to four additional tray units can be attached.
8. Appendix 4 5 Align the back of the bottom-layer additional tray unit with the protrusion on the back of the additional tray to be mounted, and gently pile them up. - 170 - Connect the additional tray units.
8. Appendix 6 Gently place the printer unit on top so that the rear side of the additional tray unit is aligned with the back of the printer unit. 7 Join the additional tray unit to the printer unit. 8 Lock the casters. 9 When three or more additional tray units have been attached, pull out the tipover protection tools before using the machine. Up to four additional trays may be installed.
8. Appendix How to Use the Tip-over • When performing actions such as transporting this machine, replacing consumable and maintenance parts, or setting paper onto the tray, please observe the following precautions to prevent the machine from tipping over. You can find two tip-over protection tools on the left and right sides of the caster base, and also two tools on its back side. Pull them straight out, then turn them 90° counterclockwise until they click.
8. Appendix 11 Press the power switch for approximately a second. When Adding Options When the machine is turned on, the power switch LED lamp is lit. If the additional tray unit(s) or Duplex Unit are installed, set the options information to a printer driver. • To follow this procedure, you must log in to a computer as the administrator.
8. Appendix 4 If the Duplex Unit is installed, check [Duplex Unit] check box. For network connection, select [Get installed options automatically] for [Installable Options], and then click [Setup]. For USB connection, select the total number of trays for [Available Trays] in [Installable Options]. 5 Click [OK]. 5 Click [OK]. • If a TCP/IP network connection is used, click [Get Printer Settings] to set the driver automatically.
8. Appendix 5 Select the total number of trays for [Available Tray], and then click [OK].
8. Appendix Specifications General Specifications This section describes the specifications of the machine. SFP Model Model Number C824/C834/ES8434 N35300A/N35300B C844 N35301A/N35301B • General Specifications Item • Printing Specifications C824 C834/ES8434 • Network Specifications CPU ARM Processor (667MHz) • Wireless LAN Specifications Memory DDR3 32bit 1GB • Printer Dimensions ROM 3GB Weight (including consumables) approx.
8. Appendix Item Printing Specifications Item C824 C834/ES8434 C844 Printing method Dry electrophotographic recording method with LED (Light-emitting diode) Page-description language PCL5c, PCL6 (XL), EPSON FX, IBM ProPrinter PostScript 3, PCL5c, PCL6 (XL), EPSON FX, IBM ProPrinter, PDF (v1.
8. Appendix Network Specifications Item Interface Protocol Wireless LAN Specifications C824/C834/C844/ES8434 Item Ethernet 10BASE-T/100BASE-TX/1000BASE-T, IEEE802.11 a/b/g/n Wireless LAN*1 TCP/IPv4, TCP/IPv6, NetBIOS over TCP, LPR, Port9100, IPP, FTP, HTTP, TELNET, SMTP, POP3, SNMPv1/v3, DHCP, DHCPv6, DNS, DDNS, UPnP, WINS, Bonjour, SNTP, LLTD, Web Services Discovery (WSD), SSL/TLS, IPSec, LDAPv3, Kerberos, IEEE802.
8. Appendix This device complies with Part 15 of FCC Rules and Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of this device.
8.
Menu Map Functions Print From USB Memor Select Print File Print Setup Paper Feed Copies Duplex Binding Fit Color Mode Print Shared Print Private Print Configuration Tray Count MPTray Tray1 Tray2 Tray3 Tray4 Tray5 Paper Feed Roller Counter MPTray Tray1 Tray2 Tray3 Tray4 Tray5 A4/Letter Impressions Count Color Mono Supplies Life Cyan Toner (n.nK) Magenta Toner (n.nK) Yellow Toner (n.nK) Black Toner (n.
Print Information Menus Configuration Network File List PS Font List PCL Font List IBM PPR Font List EPSON FX Font List Usage Report Supplies Report Error Log Color Profile List Job Log CMYK TEST 1 Tray Configuration System Adjust Print Adjust Fn100 Fn101 Fn102 Fn103 MPTray Config Paper Size X Dimension Y Dimension Media Type Media Weight Tray Usage Fn90 Fn91 Fn92 Fn93 Fn94 Fn95 Tray1 Config Paper Size X Dimension Y Dimension Media Type Media Weight Legal Paper Other Size Fn10 Fn11 Fn12 Fn13 Fn1
Paper Black Setting Paper Color Setting Trans. Black Setting Trans.
PCL Setup Font Source Font Number Font Pitch Font Height Symbol Set A4 Print Width White Page Skip CR Function LF Function Print Margin True Black Pen Width Adjust Tray ID# SIDM Setup SIDM Manual ID# SIDM Manual2 ID# SIDM MP Tray ID# SIDM Tray1 ID# SIDM Tray2 ID# SIDM Tray3 ID# SIDM Tray4 ID# SIDM Tray5 ID# IBM PPR Setup Character Pitch Font Condense Character Set Symbol Set Letter O Style Zero Character Line Pitch White Page Skip CR Function LF Function Line Length Form Length TOF Position Left Margin
Time Setup Date Format Time Zone Daylight Saving Setting method SNTP Server (Primary) SNTP Server (Secondary) Time Setting Power Setup Auto Power Off Peak Power Control Tray Setup Unit of Measurement Default Paper Size Others Setup Paper Feed Roller Counter Clear MP Tray Clear Tray1 Clear Tray2 Clear Tray3 Clear Tray4 Clear Tray5 Clear Flash Memory Setup Initialize Format Partition Job Log Setup Save Job Log Clear Job Log Security Setup Access Control User Counter Report Language Setup Selec
Google Cloud Print Wireless(Infrastructure ) Setting Print Manually Delete Registered Information Register to Google Cloud Print Google Cloud Print Settings Wireless(Infrastructure) Network Setting Using Cloud Service DNS Server (Primary) DNS Server (Secondary) Proxy Proxy Server Proxy Server Port No.
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47095302EE Rev3
