Printing quality problems Condition Toner specks Suggested Solutions • The paper may not meet specifications; for example, the paper may be too moist or rough. • The transfer roller may be dirty. Clean the inside of your machine (see "Cleaning the machine" on page 11). • The paper path may need cleaning. Contact a service representative (see "Cleaning the machine" on page 11). Dropouts If faded areas, generally rounded, occur randomly on the page: • A single sheet of paper may be defective.
Printing quality problems Condition Vertical lines Suggested Solutions If black vertical streaks appear on the page: • The surface (drum part) of the toner cartridge inside the machine has probably been scratched. Remove the toner cartridge and install a new one (see "Replacing the toner cartridge" on page 8). If white vertical streaks appear on the page: • The surface of the LSU part inside the machine may be dirty. Clean the inside of your machine (see "Cleaning the machine" on page 11).
Printing quality problems Condition Vertical repetitive defects Suggested Solutions If marks repeatedly appear on the printed side of the page at even intervals: • The toner cartridge may be damaged. If you still have the same problem, remove the toner cartridge and, install a new one (see "Replacing the toner cartridge" on page 8). • Parts of the machine may have toner on them. If the defects occur on the back of the page, the problem will likely correct itself after a few more pages.
Printing quality problems Condition Suggested Solutions Misformed characters • If characters are improperly formed and producing hollow images, the paper stock may be too slick. Try different paper. Page skew • Ensure that the paper is loaded properly. • Check the paper type and quality. • Ensure that the guides are not too tight or too loose against the paper stack. Curl or wave • Ensure that the paper is loaded properly. • Check the paper type and quality.
Printing quality problems Condition Wrinkles or creases Suggested Solutions • Ensure that the paper is loaded properly. • Check the paper type and quality. • Turn the stack of paper over in the tray. Also try rotating the paper 180° in the tray. Back of printouts are dirty • Check for leaking toner. Clean the inside of the machine (see "Cleaning the machine" on page 11). Solid color or black pages • The toner cartridge may not be installed properly. Remove the cartridge and reinsert it.
Printing quality problems Condition Loose toner Suggested Solutions • Clean the inside of the machine (see "Cleaning the machine" on page 11). • Check the paper type and quality. • Remove the toner cartridge and then, install a new one (see "Replacing the toner cartridge" on page 8). If the problem persists, the machine may require repair. Contact a service representative.
Printing quality problems Condition Curl Suggested Solutions If the printed paper is curled or paper does not feed into the machine: • Turn the stack of paper over in the tray. Also try rotating the paper 180° in the tray. • Change the printer’s paper option and try again. Go to Printing Preferences, click the Paper tab, and set type to Thin (see "Opening printing preferences" on page 13). • An unknown image Your machine is probably being used at an altitude of 1,000 m (3,281 ft) or above.
Operating system problems 1 Common Windows problems Condition Suggested solutions “File in Use” message appears during installation. Exit all software applications. Remove all software from the startup group, then restart Windows. Reinstall the printer driver. “General Protection Fault”, “Exception OE”, “Spool 32”, or “Illegal Operation” messages appear. Close all other applications, reboot Windows and try printing again. “Fail To Print”, “A printer timeout error occurred” message appear.
Operating system problems 2 Common Macintosh problems Condition The machine does not print PDF files correctly. Some parts of graphics, text, or illustrations are missing. Suggested solutions Printing the PDF file as an image may enable the file to print. Turn on Print As Image from the Acrobat printing options. It will take longer to print when you print a PDF file as an image. Some letters are not displayed normally during cover page printing.
Operating system problems 3 Common Linux problems Condition The machine does not print. Suggested solutions • Check if the printer driver is installed in your system. Open Unified Driver Configurator and switch to the Printers tab in the Printers configuration window to look at the list of available machines. Make sure that your machine is displayed on the list. If not, open Add new printer wizard to set up your device. • Check if the machine is started.
Operating system problems 4 Common PostScript problems The following situations are PS language specific and may occur when several printer languages are used. Problem The PostScript file cannot be printed. Possible cause The PostScript driver may not be installed correctly. Solution • Install the PostScript driver (see "Software installation" on page 1). • Print a configuration page and verify that the PS version is available for printing. • If the problem persists, contact a service representative.
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Glossary ADF The following glossary helps you get familiar with the product by understanding the terminologies commonly used with printing as well as mentioned in this user’s guide. 802.11 802.11 is a set of standards for wireless local area network (WLAN) communication, developed by the IEEE LAN/MAN Standards Committee (IEEE 802). 802.11b/g/n 802.11b/g/n can share same hardware and use the 2.4 GHz band. 802.11b supports bandwidth up to 11 Mbps, 802.11n supports bandwidth up to 150 Mbps. 802.
Glossary BOOTP Coverage Bootstrap Protocol. A network protocol used by a network client to obtain its IP address automatically. This is usually done in the bootstrap process of computers or operating systems running on them. The BOOTP servers assign the IP address from a pool of addresses to each client. BOOTP enables 'diskless workstation' computers to obtain an IP address prior to loading any advanced operating system. It is the printing term used for a toner usage measurement on printing.
Glossary DHCP DPI A Dynamic Host Configuration Protocol (DHCP) is a client-server networking protocol. A DHCP server provides configuration parameters specific to the DHCP client host requesting, generally, information required by the client host to participate on an IP network. DHCP also provides a mechanism for allocation of IP addresses to client hosts. Dots Per Inch (DPI) is a measurement of resolution that is used for scanning and printing.
Glossary ECM EtherTalk Error Correction Mode (ECM) is an optional transmission mode built into Class 1 fax machines or fax modems. It automatically detects and corrects errors in the fax transmission process that are sometimes caused by telephone line noise. A suite of protocols developed by Apple Computer for computer networking. It was included in the original Macintosh (1984) and is now deprecated by Apple in favor of TCP/IP networking.
Glossary Gateway IEEE A connection between computer networks, or between a computer network and a telephone line. It is very popular, as it is a computer or a network that allows access to another computer or network. The Institute of Electrical and Electronics Engineers (IEEE) is an international non-profit, professional organization for the advancement of technology related to electricity.
Glossary IPM ITU-T The Images Per Minute (IPM) is a way of measuring the speed of a printer. An IPM rate indicates the number of single-sided sheets a printer can complete within one minute. The International Telecommunication Union is an international organization established to standardize and regulate international radio and telecommunications.
Glossary LDAP MH The Lightweight Directory Access Protocol (LDAP) is a networking protocol for querying and modifying directory services running over TCP/IP. Modified Huffman (MH) is a compression method for decreasing the amount of data that needs to be transmitted between the fax machines to transfer the image recommended by ITU-T T.4. MH is a codebook-based run-length encoding scheme optimized to efficiently compress white space.
Glossary NetWare OSI A network operating system developed by Novell, Inc. It initially used cooperative multitasking to run various services on a PC, and the network protocols were based on the archetypal Xerox XNS stack. Today NetWare supports TCP/IP as well as IPX/SPX. Open Systems Interconnection (OSI) is a model developed by the International Organization for Standardization (ISO) for communications.
Glossary PostScript Protocol PostScript (PS) is a page description language and programming language used primarily in the electronic and desktop publishing areas. - that is run in an interpreter to generate an image. A convention or standard that controls or enables the connection, communication, and data transfer between two computing endpoints. PS Printer Driver See PostScript. A program used to send commands and transfer data from the computer to the printer.
Glossary SMB TCP/IP Server Message Block (SMB) is a network protocol mainly applied to share files, printers, serial ports, and miscellaneous communications between nodes on a network. It also provides an authenticated Inter-process communication mechanism. The Transmission Control Protocol (TCP) and the Internet Protocol (IP); the set of communications protocols that implement the protocol stack on which the Internet and most commercial networks run.
Glossary TWAIN Watermark An industry standard for scanners and software. By using a TWAIN-compliant scanner with a TWAIN-compliant program, a scan can be initiated from within the program. It is an image capture API for Microsoft Windows and Apple Macintosh operating systems. A watermark is a recognizable image or pattern in paper that appears lighter when viewed by transmitted light.
Glossary WPA-PSK WPA-PSK (WPA Pre-Shared Key) is special mode of WPA for small business or home users. A shared key, or password, is configured in the wireless access point (WAP) and any wireless laptop or desktop devices. WPA-PSK generates a unique key for each session between a wireless client and the associated WAP for more advanced security. WPS The Wi-Fi Protected Setup (WPS) is a standard for establishing a wireless home network.