REVISION 0 MAR. 1999 QY8-1356-000 COPYRIGHT 1999 CANON INC. CANON BJC-8500 0399 AB 0.
0399 AB 0.
Target Readers This manual is published by Canon Inc. for qualified persons and contains the necessary technical information for technical theory, installation, maintenance, and repair of products. This manual covers all localities where the products are sold. For this reason, it may contain information that does not apply to your locality. Revisions This manual may include technical inaccuracies or typographical errors due to improvements or changes in the products.
I. ABOUT THIS MANUAL This manual is divided into five parts containing the information required for servicing the BJC8500 printer. Part 1: Safety and Precautions This part contains information on how to service the unit safely. It is very important, and must be read. Part 2: Product Specifications This part outlines the product and its specifications. Part 3: Operating Instructions This part explains how to operate the unit properly, how to set it up properly, and how to use the service mode.
II. TABLE OF CONTENTS Part 1: SAFETY AND PRECAUTIONS Page 1- 1 1- 1 1- 2 1- 2 1- 3 1- 4 1- 5 1- 5 1- 5 1- 6 1- 7 1- 7 1- 7 1- 8 1- 8 1- 8 1- 9 1- 9 1- 9 1 -10 1 -10 1 -11 1 -12 1 -12 1 -13 1 -13 1 -14 1 -15 1 -16 1 -16 1 -16 1 -17 1. PERSONAL SAFETY PRECAUTIONS 1.1 Moving Sections of the Printer 1.2 Ink Stains 1.2.1 Ink path 1.2.2 Ink mist 1.3 Electrically Live Sections of the Printer 2. MACHINE PRECAUTIONS 2.1 Handling BJ Cartridges 2.1.1 Unpacking BJ cartridges 2.1.2 Protecting BJ cartridges 2.1.
Page 2 -12 2 -13 2 -13 2 -19 2.2.2 Printing area 2.3 Interface Specifications 2.3.1 Parallel interface 2.3.2 Serial interface Part 3: OPERATING INSTRUCTIONS 3- 1 3- 1 3- 3 3- 4 3- 4 3- 4 3- 5 3- 8 3- 9 3 -10 3 -10 3 -10 3 -11 3 -13 3 -15 3 -15 3 -16 3 -17 3 -17 3 -17 3 -18 3 -18 3 -19 3 -19 3 -21 3 -23 3 -23 3 -24 3 -25 3 -27 3 -27 3 -27 3 -28 3 -29 1. PRINTER SETUP 1.1 Unpacking 1.2 Installation Space 1.3 Installation Procedure 1.3.1 Connecting the interface cable 1.3.2 Connecting the power supply 1.3.
Page 4 -10 4 -11 4 -11 4 -11 4 -11 4 -12 4 -14 4 -14 4 -14 4 -15 4 -15 4 -16 4 -17 4 -17 4 -18 4 -19 4 -20 4 -22 4 -23 4 -24 4 -24 4 -26 4 -28 4 -28 4 -29 4 -30 4 -30 4 -32 4 -33 4 -34 4 -35 4 -36 4 -36 4 -37 4 -37 4 -38 4 -41 4 -41 4 -41 4 -43 4 -43 4 -45 4 -45 4 -45 4 -46 4 -48 2.2 Printing Modes 2.2.1 P-POP (Plain Paper Optimized Printing) mode 2.2.2 Draft mode (Print Quality: High Speed) 2.2.3 Photo printing mode 2.2.4 Carriage speed 2.2.5 Advanced settings 2.3 Optimum Printing Control 2.3.
Page 5- 2 5- 2 5- 3 5- 6 5- 6 5- 6 5- 6 5- 7 5- 8 5- 8 5- 9 5- 9 5- 9 5 -10 5 -11 5 -11 5 -11 5 -11 5 -11 5 -12 5 -12 5 -12 5 -12 5 -13 5 -13 5 -16 5 -32 5 -32 5 -38 5 -42 5 -42 5 -43 5 -44 5 -45 5 -46 5 -47 5 -48 5 -48 5 -48 5 -50 5 -51 5 -53 5 -53 5 -65 5 -68 5 -69 5 -70 5 -71 5 -72 2. SERVICE TOOLS 2.1 List of Tools 3. APPLYING GREASE 4. DISASSEMBLY/ASSEMBLY 4.1 About Disassembly/Assembly 4.2 Precautions for Disassembly/Assembly 4.2.1 Unlocking the carriage 4.2.2 Disassembly prohibited parts 4.2.
III.
Page 3 -15 3 -16 3 -16 3 -17 3 -18 3 -19 3 -20 3 -22 3 -25 Figure Figure Figure Figure Figure Figure Figure Figure Figure 3 -26 Figure 3 -26 3 -28 Figure 3 -27 3 -17 3 -18 3 -19 3 -20 3 -21 3 -22 3 -23 3 -24 3 -25 Transporting the Printer Capping Lock Capping Lock/Unlock Control Panel BJ Cartridges do not Match Warning (Sample) Windows 95/98 Printer Driver Maintenance Sheet (Sample) Macintosh Printer Driver Utility Sheet (Sample) Special Settings (Sample) Nozzle Check Pattern (Sample using Black BJ c
Page 4 -41 4 -42 4 -43 4 -46 4 -47 4 -48 Figure Figure Figure Figure Figure Figure 5- 3 5- 4 5- 5 5- 6 5- 7 5- 7 5- 8 5- 8 5- 9 5 -10 5 -32 5 -38 5 -42 5 -42 5 -43 5 -44 5 -45 5 -46 5 -47 5 -48 5 -49 5 -50 5 -50 5 -51 Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure 4 -39 4 -40 4 -41 4 -42 4 -43 4 -44 Block Diagram of Power Supply Section Output Connectors Sensor Locations Principle of
IV.
Part 1 SAFETY AND PRECAUTIONS Page 1- 1 1- 1 1- 2 1- 4 1- 5 1- 5 1- 8 1- 9 1 -13 1 -13 1 -14 1 -15 1 -16 1 -17 1. PERSONAL SAFETY PRECAUTIONS 1.1 Moving Sections of the printer 1.2 Ink Stains 1.3 Electrically Live Sections of the Printer 2. MACHINE PRECAUTIONS 2.1 Handling BJ Cartridges 2.2 Handling the Ink Tanks 2.3 Handling the Printer 3. PRECAUTIONS FOR SERVICE 3.1 Precautions Concerning Memory Data 3.2 Special Settings 3.3 Precautions to Prevent Damage from Static Electricity 3.
Part 1: Safety and Precautions BJC-8500 1. PERSONAL SAFETY PRECAUTIONS 1.1 Moving Sections of the Printer Be careful not to let your hands or fingers, hair, clothes, accessories, etc., become caught in any moving sections of the printer. The moving sections of the printer are driven by the carriage motor, paper feed motor, or the purge motor. Moving sections driven by the carriage motor: Carriage belt, idle pulley, carriage, etc.
Part 1: Safety and Precautions BJC-8500 1.2 Ink Stains 1.2.1 Ink path Be careful not to touch the ink path on the printer, or get ink stains on your hands or fingers, clothing, printer while it is operating and on the work table. The ink path is comprised of the nozzle section of BJ cartridges, suction caps, waste ink tubes, wiper section, wiper cleaner, maintenance jet section, wiper unit, wiper unit transfer pad and waste ink absorber.
Part 1: Safety and Precautions BJC-8500 The ink path includes the filters of the Black BJ cartridge [BC-80], Color BJ cartridge [BC-81] and Photo BJ cartridge [BC-82 photo], and each ink outlet of the ink tanks. Take care of the ink path when handling BJ cartridges and ink tanks. Never unnecessarily remove ink tanks from BJ cartridges. When an ink tank is removed from a BJ cartridge, air can enter the ink path and may adversely affect printing.
Part 1: Safety and Precautions BJC-8500 1.3 Electrically Live Sections of the Printer All electrical sections of the printer supplied with AC power are electrically live when the power cord is connected whether the printer is turned ON or OFF using the POWER button. Be careful of electric shock when checking printer operation with the covers removed during servicing. For this reason, be sure to unplug the power cord from the power outlet during servicing.
Part 1: Safety and Precautions BJC-8500 2. MACHINE PRECAUTIONS 2.1 Handling BJ Cartridges 2.1.1 Unpacking BJ cartridges Do not unpack the BJ cartridges until they are ready to be used. Before installing the BJ cartridge in the printer, gently remove the cap protecting the nozzles as shown in Figure 1-6 Removing the Protective Cap.
Part 1: Safety and Precautions BJC-8500 2.1.2 Protecting BJ cartridges To prevent clogging of the nozzles due to foreign matter, never touch the nozzle section of the BJ cartridge, filters, and ink outlets on the ink tanks, or wipe off foreign matter or clogged ink with tissue paper or the like.
Part 1: Safety and Precautions BJC-8500 2.1.3 Turning the printer ON/OFF When the power is switched OFF with the POWER button, the printer automatically caps the nozzle section of the BJ cartridge to protect it and prevent ink leakage. If you unplug the power cord before the printer is turned OFF with POWER button, the printer may stop without capping the nozzles, depending on the position of the carriage.
Part 1: Safety and Precautions BJC-8500 2.2 Handling the Ink Tanks 2.2.1 Unpacking the ink tanks Do not unpack the ink tank from its package until it is ready to be used. Before installing the ink tank in the BJ cartridge, unpack the ink tank and remove the protective cap protecting the ink outlets. Figure 1-8 Removing the Ink Tank Protective Cap 2.2.
Part 1: Safety and Precautions BJC-8500 2.3 Handling the Printer 2.3.1 Spurs Metal spurs are used for feeding and outputting paper after printing. The tips of the spurs are also sharp and pointed. They are small and easily deformed. Take care not to deform them. Take care to prevent injury when handling them. If the tips of the spurs become deformed or worn, and their surface contact area with the paper increases, a minute line of dots may appear on the paper. If this happens, replace the spurs.
Part 1: Safety and Precautions BJC-8500 2.3.3 Paper feed roller unit The surface of the paper feed roller is blast-finished to ensure a maximum resolution of 1200 × 1200 dpi. Take care not to scratch the surface of this roller. The drive gear used on the paper feed roller is also finished to high precision to feed the paper in small increments for 1/1200 inch feeding. Take special care not to leave any knock marks on this gear. Drive Gear Paper Feed Roller Figure 1-12 Paper Feed Roller 2.3.
Part 1: Safety and Precautions BJC-8500 2.3.5 Precautions to prevent damage from static electricity The electrical charge accumulated on a person when clothes rub can damage electric elements or change their electrical characteristics. Never touch the contact section on carriage top or the contact section on BJ cartridges.
Part 1: Safety and Precautions BJC-8500 2.3.6 Ink leakage/ink dry-up precautions Always turn the printer OFF by the POWER button with the BJ cartridges installed. The following operation is automatically carried out when powering OFF with the POWER button. Capping The head cap covers and secures the nozzle section to prevent the nozzles on the BJ cartridge from drying.
Part 1: Safety and Precautions BJC-8500 3. PRECAUTIONS FOR SERVICE 3.1 Precautions Concerning Memory Data This printer counts the number of BJ cartridge attachments/removals, number of sheets fed, waste ink amount, head position adjustment values, and cleaning count, and stores this data in the EEPROM on the logic board. Observe the following precautions during servicing. 1) Before servicing: Check the EEPROM with a test print in the service mode. For details, see "Part 3: 3.4.2 Service mode" (page 3-24).
Part 1: Safety and Precautions BJC-8500 When the printer is turned OFF, the printer updates the waste ink amount in EEPROM. To prevent ink leakage when the waste ink amount exceeds the capacity of the waste ink absorber, the printer stops printing and displays a "waste ink full" error. If this happens, remedy the error by following the instructions in "Part 5: 6.2.2 Error recovery 5. Waste Ink Warning / Waste Ink Full Error" (page 5-21).
Part 1: Safety and Precautions BJC-8500 3.3 Precautions to Prevent Damage from Static Electricity The electrical charge accumulated on a person when clothes rub can damage electric elements or change their electrical characteristics. In order to prevent static electricity discharge, be sure to touch some metallic part that is grounded by using a wrist strap, for example, to release the static electricity accumulated on your body before disassembling the printer for service.
Part 1: Safety and Precautions BJC-8500 3.4 Precautions for Disassembly/Assembly 3.4.1 Disassembly prohibited parts Never loosen the red screws on the printer's mechanical sections. Two red screws are used for fixing the adjustment plate. This plate determines the distance between the nozzles on the BJ cartridge and the platen. This distance is called the "head gap." Ten red screws are used for fixing the carriage rail and chassis.
Part 1: Safety and Precautions BJC-8500 3.5 Self-diagnostic Functions The printer has built-in self-diagnostic functions to analyze hardware defects. The results of self-diagnosis are indicated by the indicators on operational panel and the beeper. For details, see "Part 3: 3.1 Error Indications" (Page 3-17).
Part 1: Safety and Precautions BJC-8500 This page intentionally left blank 1-18
Part 2 PRODUCT SPECIFICATIONS Page 2- 1 2- 1 2- 2 2- 3 2- 6 2- 7 2- 8 2- 8 2 -11 2 -13 1. PRODUCT OUTLINE 1.1 Product Outline 1.2 Features 1.3 BJ Cartridges 1.4 BJ Cartridge Container SB-80 1.5 Consumables 2. SPECIFICATIONS 2.1 General Specifications 2.2 Paper Specifications 2.
Part 2: Product Specifications BJC-8500 1. PRODUCT OUTLINE 1.1 Product Outline The BJC-8500 is a printer targeted for the corporate and professional use market. It incorporates next-generation BJ cartridges, and is capable of printing 1200 dpi resolution full-color and black-and-white on a par with LBP printing. It has the following four main features: 1. Next-generation BJ cartridges ensure real 1200 × 1200 dpi printing in either blackand-white or color. 2.
Part 2: Product Specifications BJC-8500 1.2 Features 1. High-definition printing up to 1200 (H) × 1200 (V) (when the Canon printer driver is used) using the new BJ cartridge type (600 dpi resolution). Three types of BJ cartridges are available: Black BJ cartridge "BC-80", Color BJ cartridge "BC-81", and Photo BJ cartridge "BC-82 photo." 2. Two types of BJ cartridges are installed on the printer.
Part 2: Product Specifications BJC-8500 1.3 BJ Cartridges 1.3.1 Black BJ cartridge [BC-80] Black BJ cartridge "BC-80" is used for black-and-white printing and printing using the ink optimizer. It has three BJ heads, each having 256 nozzles (two staggered 128-nozzle rows), arranged in parallel. The heads are used for discharging black ink, ink optimizer, and black ink. If ideal print quality cannot be obtained by repeated cleaning, replace the BJ cartridge with a new one.
Part 2: Product Specifications BJC-8500 1.3.3 Photo BJ cartridge [BC-82 Photo] Photo BJ cartridge "BC-82 photo" supports photo-realism (super photo mode, printing of natural images containing lots of light color and midtones), and is used for printing photo black, photo cyan and photo magenta. It has three BJ heads, each having 256 nozzles (two staggered 128-nozzle rows), arranged in parallel. The heads are used for discharging photo black, photo cyan and photo magenta ink.
Part 2: Product Specifications BJC-8500 1.3.4 Relationship between BJ cartridges and printing mode The following table shows which inks are used in each printing mode.
Part 2: Product Specifications BJC-8500 1.4 BJ Cartridge Container SB-80 This container is for storing either the Black BJ cartridge "BC-80" or Photo BJ cartridge "BC-82 photo" that is removed from the printer when selectively using these cartridges for printing. This container is packaged together with the printer, and is also available from stores as an option. When storing a BJ cartridge inside the container, close the lid securely. If you leave the lid open, the ink may dry and clog the nozzles.
Part 2: Product Specifications BJC-8500 1.5 Consumables 1.5.1 BJ cartridge Each of the BJ cartridges (Black BJ cartridge "BC-80," Color BJ cartridge "BC-81", or Photo BJ cartridge "BC-82 photo") used on this printer are supplied as consumables (sold as BJ cartridge + ink tanks). 1.5.
Part 2: Product Specifications BJC-8500 2. SPECIFICATIONS 2.1 General Specifications 1. Type Serial color bubble jet printer for corporate use 2. Paper feeding method Auto sheet feed (sheet feeder, cassette) and manual feed 3. Resolution 300 × 300/600 × 600/1200 × 600/1200 × 1200 dpi (black/color) 1200 × 600/1200 × 1200 dpi (photo) 4. Printing speed Burst HQ mode: 213 cps (10 kHz discharge) HS mode: 683 cps (8 kHz discharge, 25% printing) Throughput Black printing HQ: 2.
Part 2: Product Specifications BJC-8500 14. Interface connector Printer side: Amphenol 57-40360 (or equivalent) Cable side: Amphenol 57-30360 (or equivalent) 15. Paper feed method Cassette/sheet feeder/manual feed Plain paper, color plain paper, high-resolution paper Sheet feeder/manual feed Envelopes, OHP film, glossy photo paper, BJ cloth, high-gloss photo film, T-shirt transfer, banner paper Manual feed only Thick paper, BJ cloth 16-1.
Part 2: Product Specifications BJC-8500 Color BJ Cartridge BC-81 Nozzle 128 nozzles × 2 rows × 3 heads Ink color Cyan, magenta, yellow Ink amount 23.5ml for each color Weight Approx. 103g (including ink tanks) Number of pages printable per ink tank Approx. 450 sheets (continuous printing of color printing standard pattern at 7.5% duty per color) Head life Approx. 5000 sheets (continuous printing of color printing standard pattern at 7.
Part 2: Product Specifications BJC-8500 25. Detection functions Paper-out/Paper jam Available BJ cartridge presence Available Waste ink amount Available Paper size (cassette) Available BJ cartridge identification Available Ink tank presence Available Cover open Available Home position Available* Ink out Available * Though the printer does not have home position sensor, the home position is detected by the encoder when carriage contacts the right end of the chassis. 2.2 Paper Specifications 2.2.
Part 2: Product Specifications BJC-8500 2.2.2 Printing area A3+, LDR, A3, LTR (horizontal), A4, A5 3mm LTR (vertical), LGL size 3mm 23mm 23mm 29mm 7mm 3.4mm 3.4mm 29mm 7mm 6.4mm A4+, LTR+ size 6.4mm BJ cloth 27.9mm 29mm 25.4mm 27.9mm 29mm 5.08mm 5.88mm (A4+) 5.08mm (LTR+) 20.5mm 6.4mm Envelope 3mm 23mm 29mm 7mm 6.4mm 6.4mm : Print Quality Assurance Area : Printable Area Figure 2-8 Printing Area 2-12 6.
Part 2: Product Specifications BJC-8500 2.3 Interface Specifications 2.3.1 Parallel interface 1. Data Transmission Method 8-bit parallel interface (IEEE1284 compatible) Bi-directional protocol (supports Compatibility mode/Nibble mode/ECP mode) Note: The handshake transmission method of DATA STROBE from the host computer, with ACKNLG signal and BUSY signal from the printer. Reverse transmission by Nibble and ECP modes. 2. Signal Levels Input: High +2.0 to +5.25V Low -0.3 to +0.8V Output: High +2.4 to +5.
Part 2: Product Specifications BJC-8500 6. Pin Assignments No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Signal Circuit Diagram *5 DATA STROBE STROBE DATA1 DATA1 DATA2 DATA2 DATA3 DATA3 DATA4 DATA4 DATA5 DATA5 DATA6 DATA6 DATA7 DATA7 DATA8 DATA8 ACKNLG ACK BUSY BUSY P.E. PError SELECT Select 4 AUTO FEED XT * Auto Feed XT N.C. *2 N.C. GND GND GND GND Peripheral Logic High *3 Peripheral Logic High IN/OUT No.
Part 2: Product Specifications BJC-8500 5) SELECT INX In the BJC-8500, this signal is used only as a transmission signal from the Compatible mode to negotiation mode. Output Signals: 1) ACKNLG This signal is a response signal to the DATA STROBE signal. This signal becomes high when the next DATA STROBE signal is output during the output of this signal. 2) BUSY When this signal is high, it means the printer cannot receive data. When it is low, it means the printer can receive data.
Part 2: Product Specifications BJC-8500 3) INIT Because of the IEEE1284 interface specifications, this signal is not used in Nibble mode. 4) AUTO FEED XT (Host Busy) The host computer makes this signal low to show it can receive data from the printer. When the computer receives data from the printer, this signal becomes high to tell the printer data is being received. 5) SELECT INX (1284 Active) This signal is high at the beginning of negotiation phase, and is always high in Nibble mode.
Part 2: Product Specifications BJC-8500 3) INIT (ReverseRequest) This signal is set to low to perform a recovery process of the data sent from the host computer during the forward phase. When this happens, INIT signal becomes high, responding to the falling edge of the P.E. (Ack Reverse) signal. INIT signal is lowered when the forward phase idle is switched to the reverse phase (data to be sent from the printer to the host computer). The low signal indicates that it is in reverse phase.
Part 2: Product Specifications BJC-8500 500ns 500ns 500ns min. min. min. DATA 1-8 STROBE BUSY ACK 4.0µs Figure 2-9 Compatibility Mode Timing Chart 1284 Active Ack Data Req Bit2 Bit6 Bit3 Bit7 Bit0 Bit4 Bit1 Bit5 Host Busy Host Clk Ptr Clk Ptr Busy Printer BUSY Status Data Avail Ptr Host With data Xflag Nibble mode Support TP TP TP *TP of the BJC-8500: 0.
Part 2: Product Specifications BJC-8500 2.3.2 Serial interface 1. Interface RS-422-compatible serial interface. 2. Data transfer speed 57.6 (default), 444, 888 kbit/s 3. Data format Start bit: 1 bit Data: 8 bits Stop bit: 1 bit Parity: None 4. Signal polarity MARK (logical "1"): -3V to -12V SPACE (logical "0"): +3V to +12V 5. Interface connectors On printer: Female 8-pin mini-DIN connector On cable: Male 8-pin mini-DIN connector 6. Input/output signals and pin layout 8 7 6 4 5 2 Pin No.
Part 2: Product Specifications BJC-8500 This page intentionally left blank 2-20
Part 3 OPERATING INSTRUCTIONS Page 3- 1 3- 1 3- 3 3- 4 3 -10 3 -11 3 -13 3 -15 3 -15 3 -16 3 -17 3 -17 3 -18 3 -19 3 -23 3 -25 3 -27 1. PRINTER SETUP 1.1 Unpacking 1.2 Installation Space 1.3 Installation Procedure 1.4 Turning the Printer ON/OFF 1.5 Paper Settings 1.6 Names and Functions of Parts 2. TRANSPORTING THE PRINTER 2.1 Transporting the Printer 2.2 Capping Lock/Unlock 3. PRINTER SERVICING FUNCTIONS 3.1 Error Indications 3.2 Warning Display 3.3 Function Settings 3.4 Control Buttons 3.
Part 3: Operating Instructions BJC-8500 1. PRINTER SETUP 1.1 Unpacking After unpacking the printer, check that you have the following: Instruction Manual Container SB-80 Packing Flap Carton Flapper Unit Packing Upper Cassette Packing Power Cord Polyethylene Sheet Carton BJ Cartridges Paper Output Tray Packing Reinforcer Instruction Manual & Printer Driver, etc.
Part 3: Operating Instructions BJC-8500 Paper Output Tray Polyethylene Sheet Lower Cassette Packing Packing Tapes Packing Carton Packing Tapes Figure 3-2 Packing (2): Lower Cassette 3-2
Part 3: Operating Instructions BJC-8500 1.2 Installation Space Install the printer with the clearances given below for the printer to be operated efficiently. When the carriage moves to the left and right, the printer may generate substantial vibration. Do not install the printer at a location where it is easily affected by vibration. The minimum amount of space required when installing the printer is shown below. Approx. 588 mm Ap pro x. 60 3m m .
Part 3: Operating Instructions BJC-8500 1.3 Installation Procedure Install the printer as follows. 1.3.1 Connecting the interface cable 1) Make sure that the printer and host computer are OFF. 2) Plug the interface cable into the printer interface connector. Secure the cable with connector clips. 3) Connect the other end of the interface cable to the host computer and fix it securely. 1. Connect the interface cable to the printer. Macintosh 2. Connect the interface cable to the computer.
Part 3: Operating Instructions BJC-8500 1.3.3 Installing BJ cartridges 1) Removing the protective cap from the BJ cartridge Remove the BJ cartridge from the aluminum bag, and remove the protective cap from the nozzles. Protective Cap Figure 3-6 Removing the Protective Cap Do not reuse head caps that have been removed once. If they are reused, the head may become clogged with foreign matter, or colors of ink may be mixed.
Part 3: Operating Instructions BJC-8500 3) Adjusting the print head position As two print heads are installed on the printer, differences sometimes occur in the dot placement of ejected ink, and high-grade printing sometimes cannot be obtained depending on the individual characteristics specific to each print head and installation state. To eliminate these differences, the mutual positions of the print heads must be adjusted as follows after the Canon printer driver has been installed.
Part 3: Operating Instructions BJC-8500 Figure 3-9 Checking the Position of the Print Head (2) 3-7
Part 3: Operating Instructions BJC-8500 1.3.4 Replacing ink tanks Replace the ink tank as follows. 1) Ink tank replacement criteria Replace the ink tank in any of the following cases: "ink-out" detection indicates that the ink tank has run out of ink, or when cleaning does not improve print quality. (Generally, the ink tank should be replaced about six months after it is removed from its package.
Part 3: Operating Instructions BJC-8500 1.3.5 BJ cartridge container SB-80 The printer is supplied with BJ cartridge container SB-80 for storing Black BJ cartridge BC-80, Color BJ cartridge BC-81 or Photo BJ cartridge BC-82 Photo. When Black BJ cartridge BC-80 is installed in the printer, store the Photo BJ cartridge BC-82 Photo in the BJ cartridge container. Alternately, when Photo BJ cartridge BC-82 Photo is installed in the printer, store Black BJ cartridge BC-80 in the BJ cartridge container.
Part 3: Operating Instructions BJC-8500 1.4 Turning the Printer ON/OFF 1.4.1 Turning the printer on With the printer connected to a power source, press the POWER button to turn ON the printer. When the printer turns ON, the beeper sounds once and initializing operations are executed. If a BJ cartridge is not installed, the "No BJ cartridge" error occurs ("Part 3: 3.1.1 Operator call" (page 3-17)). If a BJ cartridge is installed, the POWER indicator will light to indicate that the printer is ready.
Part 3: Operating Instructions BJC-8500 1.5 Paper Settings For optimum printing, selectively use the automatic pick-up mechanism using the cassette and sheet feeder, and manual feed for feeding paper from the rear of the printer according to the type of printing paper you are using. This printer does not have a paper thickness adjustment lever as the distance between sheets is automatically adjusted to suit the type of paper.
Part 3: Operating Instructions BJC-8500 TABLE 3-1 PRINTER PAPER SETTINGS Media Plain Paper Paper Name Ream weight 64 to 90g/m2 Color BJ Plain LC-301 Paper Color BJ HighHR-101 Resolution Paper Glossy Photo GP-301 Paper High-Gloss HG-201 Photo Film Color BJ CF-102 Transparencies Fabric Sheets FS-101 Envelopes COM# 10 No.
Part 3: Operating Instructions BJC-8500 1.6 Names and Functions of Parts This section describes the names of the parts of the printer and their functions. q Front of Printer w r e !1 !3 !2 !4 t POWER y ERROR RESUME u i Control Panel Section o !0 Figure 3-15 Names and Functions of Parts (1) Front of Printer q Paper Rest: w e r t y u i !0 Supports the paper straight in the sheet feeder. Pull out this support for use. Sheet Feeder: Load sheets of paper into the feeder.
Part 3: Operating Instructions BJC-8500 Control Panel Section !1 POWER Button: Turns the printer ON and OFF. !2 POWER Indicator: Indicates whether the printer is ON or OFF. This indicator blinks when print data is received, when the cover is open, or when cleaning is in progress. !3 ERROR Indicator: When an error occurs, the buzzer sounds, and the ERROR indicator either lights or blinks. In the case of a service call, the number of times that this indicator blinks indicates the type of error.
Part 3: Operating Instructions BJC-8500 2. TRANSPORTING THE PRINTER Before service personnel or users carry or transport the printer, remove the ink tanks from the printer, and perform cleaning and capping. This prevents defective printing caused by ink leakage and ink drying in the BJ cartridge nozzles. When Black BJ cartridge BC-80 and Photo BJ cartridge BC-82 Photo are used selectively, store the BJ cartridge that is not installed in the printer in BJ cartridge container SB-80. 2.
Part 3: Operating Instructions BJC-8500 2.2 Capping Lock/Unlock When packing the printer, open the top cover, and make sure that the carriage is locked (the carriage does not move from the home position by moving to the left or right) by the carriage lock pin on the purge unit at the home position (right edge of printer). Top Cover Main Cover Figure 3-18 Capping Lock If the carriage is not locked, you can perform capping as follows.
Part 3: Operating Instructions BJC-8500 3. PRINTER SERVICING FUNCTIONS 3.1 Error Indications The printer informs the operator of an error status by the ERROR indicator and sounding of a buzzer. There are two types of error status: operator calls which are recoverable by the user, and service calls which are unrecoverable by the user. In either case, the error status is judged by the number of times that the buzzer sounds and the state of the ERROR indicator.
Part 3: Operating Instructions BJC-8500 3.1.2 Service call TABLE 3-3 SERVICE CALL [Unrecoverable by users] Error Condition Carriage error HP sense error Purge error Sheet feeder error Waste ink full error BJ cartridge temperature rise error EEPROM error * Other hardware errors ( 1) ERROR Indicator Beeper Description 2 blinks repeated 6 times Carriage cannot be controlled. 3 blinks repeated ↓ Home position cannot be detected. 4 blinks repeated ↓ The purge unit cannot be initialized.
Part 3: Operating Instructions BJC-8500 3.3 Function Settings This printer does not have a function selector for setting functions. The printer drivers for Macintosh/Windows machines are used to set the various functions. 3.3.1 Maintenance settable items The printer driver "Maintenance" can be used to set the following items: 1) Print Head Cleaning Specifies cleaning (all colors, black, color), head refreshing and ink tank.
Part 3: Operating Instructions BJC-8500 Figure 3-23 Macintosh Printer Driver Utility Sheet (Sample) 3-20
Part 3: Operating Instructions BJC-8500 3.3.2 Custom setting The printer driver has a custom setting dialog box for hidden utility functions. This dialog box is for servicing only and dealing with claims on the market. It is not disclosed the user. (1) Operation Procedure In Windows: • Select the [Custom Setting] button in Maintenance on the printer driver. You can select the "Set printer to ECP mode" and "Pause page" setup items ➝ disclosed the user.
Part 3: Operating Instructions BJC-8500 Windows 95/98 Macintosh Figure 3-24 Special Settings (Sample) 3-22
Part 3: Operating Instructions BJC-8500 3.4 Control Buttons This printer has two control buttons, the RESUME button and POWER button. These control buttons are used to perform cleaning the BJ cartridges or for setting service mode items. 3.4.1 Cleaning the BJ cartridges If the printer image is blurred or a print defect occurs, such as a white streak, print a test pattern to see whether or not the BJ cartridge is clogged with ink.
Part 3: Operating Instructions BJC-8500 3.4.2 Service mode Operating the control buttons (RESUME button and POWER button) set the printer to the service mode. The following table shows the functions available in the service mode. (print in the service mode can be executed only when paper is fed in the sheet feeder. The service mode when connecting to the host computer is not guaranteed.
Part 3: Operating Instructions BJC-8500 3.5 Self Test Print (Nozzle Check Pattern) This printer has the self test print function which can be executed without connection to a computer. If you press the POWER button with the power OFF, the buzzer sounds once. If you keep the POWER button held down, the buzzer sounds once again. Release the POWER button. This starts execution of the self test print.
Part 3: Operating Instructions BJC-8500 When the nozzle check pattern is printed on plain paper, the area printed with ink optimizer cannot be visually checked, as the ink optimizer is translucent. In this case, you can check the overall ejection state of the ink optimizer by checking for ink smears in the pattern (black grid on yellow background) at the bottom left of the nozzle check pattern. (Ink smears if ink optimizer is not ejected.
Part 3: Operating Instructions BJC-8500 3.6 EEPROM The EEPROM stores various settings such as the total number of sheets passed, BJ cartridge installation count, and the total waste ink absorption amount. The total numbers of sheets passed and total waste ink absorption amount can serve as a reference for how much the printer has been used. The EEPROM must be initialized or the waste ink level must be cleared when the logic board, EEPROM, or the waste ink absorbers are replaced.
Part 3: Operating Instructions BJC-8500 If the EEPROM is initialized, data is permanently lost and cannot be recovered. Exercise care when initializing the EEPROM. 3.6.3 EEPROM list print EEPROM list print is printed out in decimal.
Part 3: Operating Instructions BJC-8500 3.6.4 Destination setting The control ROM used on this printer has both the functions of Japanese model (BJ F8500) and overseas model (BJC-8500). The printer specifications are set by the device ID stored in EEPROM. When the EEPROM is initialized, the device ID is set to BJC-8500, and the printer specifications are set for the overseas model. As this printer is destined for the overseas market, leave it as it is. For details, see "Part 3: 3.4.
Part 3: Operating Instructions BJC-8500 This page intentionally left blank 3-30
Part 4 TECHNICAL REFERENCE Page 4- 1 4- 1 4- 2 4- 5 4- 6 4- 7 4- 8 4- 8 4 -10 4 -14 4 -15 4 -15 4 -17 4 -24 4 -28 4 -30 4 -36 4 -36 4 -37 4 -41 4 -43 4 -43 4 -45 1. OVERVIEW 1.1 Printer Block Diagram 1.2 Initial Flowchart 1.3 Power OFF Operation Flow 1.4 Print Signal Flow 1.5 BJ Cartridge Drive 2. FIRMWARE 2.1 Interface 2.2 Printing Modes 2.3 Optimum Printing Control 3. PRINTER MECHANISM 3.1 Overview of the Mechanical System 3.2 BJ Cartridge 3.3 Purge Unit 3.4 Cartridge Unit 3.
Part 4: Technical Reference BJC-8500 1. OVERVIEW 1.1 Printer Block Diagram Fan B Paper Feed Motor Carriage Motor Fan A Purge Motor Carriage (left) Black BJ Cartridge BC-80 or Photo BJ Cartridge BC-82 Photo Carriage (right) Color BJ Cartridge BC-81 Carriage Driver Board Carriage Motor Driver Carriage Board J1101,1102 Paper Feed Motor Drive Purge Motor Drive J1003 J701 J702 J703 VH(+10.
Part 4: Technical Reference BJC-8500 1.2 Initial Flowchart The initial flowchart below shows the process from when the printer is turned ON to when it goes online. (1) Hardware Power ON START Connect the AC power cord (hardware power ON) EEPROM check OK? No Yes EEPROM error Check logic IC (IC1) of carriage board. OK? No Yes Other hardware error Measure rank resistance value of BJ cartridge OK? No Yes BJ cartridge error Measure voltage compensation value of head temperature sensor.
Part 4: Technical Reference BJC-8500 (2) Software Power ON Power ON (software power ON) EEPROM error? Yes No EEPROM error Check carriage and purge unit. OK? No Yes HP sense error Check sheet feeder for paper jam. Carriage error Purge error OK? No Yes Sheet feeder error Paper jam error BJ cartridge error Yes No BJ cartridge error Other hardware error Initial state of mechanisms OK? No END Yes Check waste ink level.
Part 4: Technical Reference BJC-8500 Previous page All BJ cartridges installed? No Yes All ink tanks installed? No BJ cartridge error No Yes No ink tank error Check remaining ink level. OK? No Yes Ink-out error Check waste ink level.
Part 4: Technical Reference BJC-8500 1.3 Power OFF Operation Flow The printer flowchart below shows the process from software power OFF to when the printer is stopped. Power was turned OFF by pressing POWER button or in printer driver's maintenance. Power was turned OFF during BJ cartridge replacement or ink tank replacement. POWER indicator blinks POWER indicator blinks Paper picked up? No Carriage returned to home position.
Part 4: Technical Reference BJC-8500 1.4 Print Signal Flow The following describes an outline of the print signal flow from when the printer receives the print signals sent from the host computer up to when printing is executed. a) When the host computer sends the print signals (print data and control commands) to the printer, the print signals are received by the printer controller from the interface, which is controlled by the printer controller.
Part 4: Technical Reference BJC-8500 1.5 BJ Cartridge Drive The printer controller drives the BJ cartridges in accordance with print data and control signals that are output from the logic board. The control signals perform three functions. They determine the ink ejection timing and ink amounts ejected from the nozzles of the BJ cartridges, maintain the BJ cartridges at the optimum temperature, and stabilize the ink ejection amounts. 1.5.
Part 4: Technical Reference BJC-8500 2. FIRMWARE 2.1 Interface This printer supports a nibble mode and ECP mode that are both compliant with bidirectional Centronics interface standard (IEEE 1284). 2.1.1 Nibble mode In nibble mode, the printer transfers 8 bits of data to the host computer divided into two 4-bit blocks.. After the printer negotiates with the host computer, the printer lowers the DataAvail signal.
Part 4: Technical Reference BJC-8500 2.1.2 ECP mode In the ECP mode, data can be received at high speed as data transactions are carried out on a bi-directional data bus. As data and commands are differentiated by control signals, and bi-directional communications can be carried out, switching to another mode is not necessary when the data transfer direction is switched.
Part 4: Technical Reference BJC-8500 2.2 Printing Modes The printer varies carriage movement and the BJ cartridge drive method according to the paper type and print quality selected in the printer driver, print data sent from the host computer, etc. to attain high-quality printing without bleeding or shifting in the printout. To improve image quality, the printer reciprocally feeds the carriage to print the data spread over two or more passes.
Part 4: Technical Reference BJC-8500 2.2.1 P-POP (Plain Paper Optimized Printing) mode This printer ejects ink optimizer from Black BJ cartridge BC-80 only when plain paper, envelope, or thick paper modes (except when print quality is set to high speed) are selected on the printer driver. During color printing, the printer ejects ink on the ink optimizer.
Part 4: Technical Reference BJC-8500 2.2.5 Advanced settings The following table shows the Print Mode defaults on the printer driver. To change these settings, select "Advanced Detailed Setting.
Part 4: Technical Reference BJC-8500 Windows 95/98 Macintosh Figure 4-12 Advanced Detailed Setting (Sample) 4-13
Part 4: Technical Reference BJC-8500 2.3 Optimum Printing Control 2.3.1 Power monitor The power monitor functions to prevent defects caused by lower print density that occur when the sum of the head drive power supply exceeds the power supply capacity during heavy duty printing. To be more precise, the number of nozzles on the BJ cartridge that are simultaneously heated is reduced to reduce power consumption.
Part 4: Technical Reference BJC-8500 3. PRINTER MECHANISM 3.1 Overview of the Mechanical System This section describes an overview of the printer mechanical system.
Part 4: Technical Reference BJC-8500 3.1.1 Mechanical system configuration 1) BJ cartridge/ink tank Three types of BJ cartridges can be used on the printer: Black BJ cartridge BC-80, Color BJ cartridge BC-81 and Photo BJ cartridge BC-82 Photo. The ink tanks of each of these BJ cartridges can be removed from the BJ cartridge for replacement.
Part 4: Technical Reference BJC-8500 3.2 BJ Cartridge 3.2.1 BJ cartridge structure The structure of the BJ cartridge is the same for Black BJ cartridge BC-80, Color BJ cartridge BC-81, and Photo BJ cartridge BC-82 Photo. BJ Cartridge Body BJ Head Unit PCB Nozzle Chip with TAB* *Tape Automated Bonding Figure 4-15 BJ Cartridge Structure BJ cartridge body The BJ head unit is mounted on this body.
Part 4: Technical Reference BJC-8500 3.2.2 BJ head unit structure Rubber seal This seal prevents evaporation of ink inside the ink tank. Filter This filter prevents the entry of dirt into the ejection chip. It also ensures and connects the ink path with the ink tank. Chip tank This is integrated with the head, and provides an ink path. Chip plate This plates functions to radiate heat from the heater inside the nozzle chip and forms the ink path.
Part 4: Technical Reference BJC-8500 3.2.3 Nozzle arrangement The nozzles on each BJ cartridge are arranged 1/300 inch apart, in parallel, in a vertical, staggered array of two rows, each with 128 nozzles. The structure of the BJ cartridge is the same for Black BJ cartridge BC-80, Color BJ cartridge BC-81, and Photo BJ cartridge BC-82 Photo. For details on print head position adjustment, refer to "Part 3: 1.3.3-3 Installing the BJ Cartridges; Adjusting the print head position" (page 3-6).
Part 4: Technical Reference BJC-8500 3.2.4 Signal contact part The signal contact part of the BJ cartridge PCB contacts the signal contact part of the carriage ribbon cable to transfer print signals and detection signals between the printer and the BJ cartridge. The following signals are transferred with the BJ cartridges.
Part 4: Technical Reference BJC-8500 TABLE 4-5 BJ CARTRIDGE I/O SIGNALS Pin No.
Part 4: Technical Reference BJC-8500 3.2.5 BJ cartridge drive circuit Ink ejection is controlled by the BJ cartridge drive circuit on the heater board. The BJ cartridge drive circuit is the same for all three types of BJ cartridges (Black BJ cartridge BC-80, Color BJ cartridge BC-81 and Photo BJ cartridge BC-82 Photo). DiK For details, see Figure 4-20 Head Temperature Sensor.
Part 4: Technical Reference BJC-8500 8-bit shift register (1 to 8, 8 to 1) These registers convert and store in parallel the serial print data (Data 1, Data 2) that is transferred from the logic board, in timing with CLK. 8-bit latch (1 to 8, 8 to 1) This latch latches the print data (Data 1, Data 2) that is transferred from the 8-bit shift registers. AND gate This gate outputs the parallel print data, specified by block enable decoders 1 to 16 and 16 to 1, to the 128-bit transistor array.
Part 4: Technical Reference BJC-8500 3.3 Purge Unit 3.3.1 Purge unit functions 1) Capping function The purge unit's cap is pressed against the print head face plate of the BJ cartridge to prevent the nozzles from drying or ink from leaking. When the printer is standing by for print data with the cap open, the BJ cartridge is capped if data is not received within a preset time. The BJ cartridge is also capped when the printer is turned OFF by pressing the POWER button.
Part 4: Technical Reference BJC-8500 TABLE 4-7 CLEANING EXECUTION CONDITIONS, CLEANING TIME AND INK SUCTION AMOUNTS Cleaning Execution Condition Target BJ Cartridge • When low ink chamber level Relevant BJ cartridge is detected • When the preset number of dots is counted • 240 hours (ink) or 200 hours (ink optimizer) or more elapsed since previous cleaning or software ON • When cleaning operation All BJ cartridges B (2nd) is carried out on the (ink tank replacement control panel cleaning) Specified BJ
Part 4: Technical Reference BJC-8500 TABLE 4-7 CLEANING EXECUTION CONDITIONS, CLEANING TIME AND INK SUCTION AMOUNTS Cleaning A (normalcleaning) B (inktankreplacement cleaning) C (BJ cartridge replacementcleaning) Execution Condition • When low ink chamber level is detected • When the preset number of dots is counted • 240 hours (ink) or 200 hours (inkoptimizer)or more elapsed since previous cleaningor softwareON • When cleaningoperation (2nd) is carriedouton the controlpanel • When cleaningoperation
Part 4: Technical Reference BJC-8500 3.3.2 Purge unit structure 1) Purge drive gear The purge drive gear is driven by the purge motor (stepping motor). The direction of rotation of the purge drive gear switches between pump operations and wiping operations.
Part 4: Technical Reference BJC-8500 6) Wiper unit The wiper unit driven by the paper feed motor is located on the left side of the printer body. This unit is provided exclusively for Black BJ cartridge BC-80. It presses an ink absorber against the print head face plate each time the preset dot count is reached to absorb ink, and the ink absorber takes up ink by transferring the ink to the rubber wound around the paper feed roller.
Part 4: Technical Reference BJC-8500 3.4 Carriage Unit 3.4.1 Carriage unit functions 1) BJ cartridge mounting function BJ cartridges are installed on the carriage, and are connected to the logic board by the carriage ribbon cable. 2) Carriage drive function The carriage moves horizontally by the carriage belt, which is driven by the carriage motor. 3) Home position detection function This printer is not provided with a home position sensor.
Part 4: Technical Reference BJC-8500 3.4.2 Carriage unit structure 1) BJ cartridge mounting section The lock lever is lowered at the BJ cartridge replacement position (left side of printer body) to secure BJ cartridges to the carriage. When BJ cartridges are secured to the carriage, the signal contact part of the carriage ribbon cable is pressed against the signal contact part of the BJ cartridge to enable transfer of print signals from the logic board to the BJ cartridges.
Part 4: Technical Reference BJC-8500 3.5 Paper Feed Section/Sheet Feeder Unit/Cassette Units 3.5.1 Paper feed/sheet feeder/cassette functions 1) 4 pick-up paths This printer has the following 4 pick-up paths: automatic pick-up from the sheet feeder unit/upper cassette unit/lower cassette unit, and manual feed from the manual feed slot. The built-in sheet feeder/upper cassette/lower cassette are driven by power from the purge motor to automatically stack and pick up printing paper.
Part 4: Technical Reference BJC-8500 2) Paper feed section When print paper is detected by the paper end sensor (photo-interrupter), it is automatically fed to the printing start position on the platen by the paper feed roller driven by the paper feed motor gear. Paper feed control during printing is carried out by controlling the rotation of the paper feed roller. After the paper is printed, it is ejected by the eject roller.
Part 4: Technical Reference BJC-8500 3.5.2 Sheet feeder unit structure The printing paper is stacked on the sheet feeder hooked by the claws at the left and right corners of the sheet feeder. The loading claw is provided for improving the paper loading performance. The left and loading claw follows sliding movement of the side guide. When purge motor drive is transferred to the sheet feeder gear via the sheet feeder drive gear, the pick-up roller rotates, and the printer starts printing operations.
Part 4: Technical Reference BJC-8500 3.5.3 Cassette unit structure In the cassette unit of this printer, printing paper is stacked in the cassette body hooked by the left and right claws. (The left claw follows sliding movement of the side guide.) On the upper cassette drive, when the purge motor is operated, the pendulum gear on the upper cassette is interlocked with cassette drive gear, and the pick-up roller in the cassette unit rotates once to pick-up a sheet of paper.
Part 4: Technical Reference BJC-8500 3.5.4 Flapper unit structure The user slides the side guide on the flapper unit to match the size of the paper each time that paper is changed. When the paper feed motor operates, the flapper drive gear couples to the relay gear of the eject roller unit to open and close the left and right flappers. When printing two or more sheets, the flappers close during printing of the 2nd sheet onwards.
Part 4: Technical Reference BJC-8500 3.5.5 Path of fan air flow This printer generates a large amount of ink mist, so, two fans that operate during printing and cleaning are installed on the printer to collect ink mist and prevent soiling by ink mist. The following describes the air flow generated by these fans. Air is blown in upwards from blow fan (fan A). This air enters the hollow section of the spur unit from the opening on the spur unit, and enters the duct unit via the duct cap.
Part 4: Technical Reference BJC-8500 4. PRINTER ELECTRICAL SYSTEM 4.1 Overview The electrical system functions are handled by the logic section (logic board, carriage board, carriage driver board, etc.) and the power supply section (power supply unit). The logic section converts the data from the interface into print signals and printer operation signals, and drives the BJ cartridges and all the motors while monitoring the status of the sensors.
Part 4: Technical Reference BJC-8500 4.2 Logic Section 4.2.
Part 4: Technical Reference BJC-8500 4.2.2 Logic section components 1) MPU (IC1) The MPU contains a 16-bit CPU, 24-bit address bus, 512-byte work RAM and 9 peripheral I/O ports (interrupt controller, DMAC, timer, I/O ports, A/D converter, DRAM controller, chip select controller, monitor timer, clock and power manager). Built-in CPU 32-bit wide general-purpose registers are built into the 16-bit CPU. This CPU operates in synchronization with a 16 MHz external clock input.
Part 4: Technical Reference BJC-8500 2) Printer controller (IC2) The printer controller contains the CPU interface controller, DRAM controller, SRAM controller, parallel/serial interface controller, print head controller, data processing controller and I/O port controller. CPU interface controller The CPU interface controller controls read/write from the CPU. DRAM controller The DRAM controller is a DRAM-specific bus independent of the MPU bus.
Part 4: Technical Reference BJC-8500 3) Control ROM (IC502) This 1 MByte control ROM contains the program for printer control. 4) DRAM (IC601/IC602) This 32 Mbyte (2 × 16 Mbyte) DRAM is controlled by the printer controller, and is used as the receiver buffer, print buffer, and working area.
Part 4: Technical Reference BJC-8500 4.3 Power Supply Section The power supply section is a switching regulator that converts the input AC to the various DC voltages to be used on the printer, and supplies these DC voltages to the logic board. 4.3.
Part 4: Technical Reference BJC-8500 3) Output connectors The following voltages are output by the secondary side output connectors of the power supply circuit: VCC: Voltage for driving ICs and LSIs: +5.0V±0.2V VH: Voltage for driving head: +10.3V±0.1V VM: Voltage for driving motors: +35.0V±0.
Part 4: Technical Reference BJC-8500 5. DETECTION FUNCTIONS 5.1 Sensor Functions This printer is provided with the following sensors. These sensors detect the printer's state.
Part 4: Technical Reference BJC-8500 Purge sensor This photo-interrupter-type sensor detects the capping position of the purge unit. Detection of the module phase at the capping position is performed by interruption of the purge sensor by the cam gear flag inside the purge unit. Paper end sensor This photo-interrupter-type sensor detects the presence of paper on the paper feed section.
Part 4: Technical Reference BJC-8500 5.2 Other Detection Functions This printer is also provided with the following detection functions in addition to the sensors. 5.2.1 Waste ink level detection The printer has a function for managing the waste ink level (including the waste ink optimizer level) of the waste ink absorbers.
Part 4: Technical Reference BJC-8500 5.2.3 Ink-out detection 1) Operation The ink sensor unit installed on the purge unit comprises an LED and phototransistor. The light emitted from the LED enters the prism formed on the base of the ink tank at an angle of incidence of 45°.
Part 4: Technical Reference BJC-8500 3) Replacing the ink tank when the "ink-out" error is displayed The following describes the ink tank replacement procedure on the printer: 1) The printer lights the ERROR indicator, and sounds the buzzer three times to notify the operator of an "ink-out error." 2) Press the BJ Cartridge REPLACE button, and the carriage moves to the BJ cartridge replacement position (left edge of printer) so that the relevant ink tank can be replaced.
Part 4: Technical Reference BJC-8500 5.2.4 No ink tank detection Operation When the ink tank is installed, light emitted from the LED is reflected by the concave mirror formed on the base of the ink tank, and is returned to the phototransistor. Whereas, if the ink tank is not installed, the light emitted from the LED is not returned to the phototransistor.
Part 5 MAINTENANCE Page 5- 1 5- 1 55555555- 1 1 1 2 2 3 6 6 5- 6 5- 9 5 -10 5 -11 5 -11 1. MAINTENANCE 1.1 Periodically-replaced Parts 1.2 Worn Parts 1.3 Consumables 1.4 Periodic Maintenance 2. SERVICE TOOLS 2.1 List of Tools 3. APPLYING GREASE 4. DISASSEMBLY/ASSEMBLY 4.1 About Disassembly/ Assembly 4.2 Precautions for Disassembly/Assembly 4.3 Logic Board Replacement 4.4 Waste Ink Absorber Replacement 5. ADJUSTMENT 5.
Part 5: Maintenance BJC-8500 1. MAINTENANCE 1.1 Periodically-replaced Parts Level User Service personnel Part None See TABLE 5-1 PERIODICALLY-REPLACED PARTS TABLE 5-1 PERIODICALLY-REPLACED PARTS *1 Periodically-replaced Parts Spur unit Waste ink absorber Encoder head*3/ 2 * film, ink mist absorbers Condition for replacement Conspicuous spur Waste ink full error Carriage error, sheet feeder marks on prints error, or No ink tank error (print image shift) No.
Part 5: Maintenance BJC-8500 2. SERVICE TOOLS 2.
Part 5: Maintenance BJC-8500 3. APPLYING GREASE When service parts are replaced, apply a coating of grease "MOLYKOTE HP-300," "HANARL FLX2," "EU-1" or "MOLYKOTE PG-662" at the specified locations. Apply a sufficient amount of grease to form a thin and even coating to the specified locations. Do not apply grease to locations other than the specified locations. Also, make sure that no grease is transferred from the specified locations onto the surrounding parts.
Part 5: Maintenance BJC-8500 PG-662 (except cassette unit) Approx. 12mg 2 Locations, Approx. 12mg each Approx. 12mg Approx. 24mg 2 Locations, Approx. 3mg each Entire Inside Periphery, Approx. 3mg Rib, 4 Locations, Approx. 6mg each Gear Teeth Surface, 4 Locations, Approx. 12mg each Paper Feed Motor Shaft Approx. 12mg Gear Teeth Surface 4 Locations, Approx. 12mg each Approx. 150mg 7mm 50mm Approx. 24mg 50mm Outside Periphery Approx. 24mg Approx. 12mg Inside Periphery Approx. 24mg Approx.
Part 5: Maintenance BJC-8500 PG-662 (cassette unit) ❈24 Locations, Approx. 3mg each Grease Application Points Approx. 3mg (enlargement) ❈20 Locations, Approx.
Part 5: Maintenance BJC-8500 4. DISASSEMBLY/ASSEMBLY 4.1 About Disassembly/Assembly When disassembling and assembling the printer, refer to the parts catalog. In the parts catalog, Figure Nos. are presented in the order of disassembly. Close-up diagrams are also provided for additional detail. 4.2 Precautions for Disassembly/Assembly 4.2.1 Unlocking the carriage When the BJ cartridge is installed, and the power is OFF, the carriage is normally locked at the capping position (right edge of printer body).
Part 5: Maintenance BJC-8500 The BJ cartridge contact section on the carriage unit is positioned before it is fixed in place. The position of this contact section cannot be adjusted during servicing. Do not disassemble this contact section. Ink Tanks BJ Cartridge Contact Sections Carriage Unit BJ Cartridges Figure 5-5 BJ Cartridge Contact Section on Carriage Unit 4.2.
Part 5: Maintenance BJC-8500 4.2.3 Purge unit tubes When ink and ink optimizer react, they harden, so, separate absorbers are used for absorbing waste ink and ink optimizer. Be sure to check that the three tubes on the purge unit (blue and yellow for ink, transparent for ink optimizer) are at the locations specified in Figure 5-7 Purge Unit Tubes. When the tube tips are blocked, ink may harden on the tube tips, and cause defective suction. Pay special attention to this when assembling the purge unit.
Part 5: Maintenance BJC-8500 4.3 Logic Board Replacement 4.3.1 Except for EEPROM replacement Various settings, waste ink level, number of sheets fed and other printer data are stored to the EEPROM (IC501) on the logic board. When the board has been replaced with a new one during servicing, operation using the same printer settings is possible by removing the EEPROM from the logic board before it is replaced, and attaching it to the new logic board. (refer to Part 3: 3.6.
Part 5: Maintenance BJC-8500 4.4 Waste Ink Absorber Replacement When the waste ink warning/waste ink tank full error occurs, and the waste ink absorbers (waste ink optimizer absorber) are replaced, be sure to replace all eight absorbers at the same time. (If the ink absorbers are particularly dirty, we recommend replacing the entire lower case unit.) Even if the rate of waste ink absorption is relatively low, replace all eight absorbers at the same time.
Part 5: Maintenance BJC-8500 5. ADJUSTMENT 5.1 Adjustment Locations 5.1.1 EEPROM (IC501) and waste ink absorber When the logic board is replaced, and the EEPROM (IC501) is attached to the new logic board, perform a test print to check the EEPROM data settings. (For details on outputting a self test print, see "Part 3: 3.6.3 EEPROM list print" (page 3-28). (After the waste ink tank full error has occurred, you cannot check the EEPROM data settings unless the total waste ink level is reset.
Part 5: Maintenance BJC-8500 6. TROUBLESHOOTING 6.1 Overview of Troubleshooting 6.1.1 Definition Troubleshooting involves "error condition diagnosis" and "error recovery." Error condition diagnosis is required if the cause of an error is unknown, and error recovery is performed if the cause of an error is known. If the cause of an error is unknown, perform error condition diagnosis, and if it is known, perform error recovery. 6.1.2 Precautions for troubleshooting 1.
Part 5: Maintenance BJC-8500 6.2 Error Condition Diagnosis 6.2.1 Diagnosis flowchart (1) Hard Power ON START Connect the AC power cord. (hard power ON) EEPROM check OK? No Yes EEPROM error Check analog IC (IC1) of carriage board. OK? No Yes Other hardware error Measure rank resistance value of BJ cartridge. OK? No Yes BJ cartridge error Measure voltage compensation value of head temperature sensor.
Part 5: Maintenance BJC-8500 (2) Soft Power ON Power ON (soft power ON) EEPROM error? Yes No Beeper: 6 times ERROR indicator: Repeatedly blinks 9 times. (See page 5-22) EEPROM error Check carriage and purge unit. OK? No Yes Beeper: 6 times ERROR indicator: Repeatedly blinks 3 times. (See page 5-18.) HP sense error Check the sheet feeder for paper jam Beeper: 6 times ERROR indicator: Repeatedly blinks twice. (See page 5-16.
Part 5: Maintenance BJC-8500 Previous Page All BJ Cartridges installed? No Yes All ink tanks installed? BJ cartridge error No Yes No ink tank error Check remaining ink level. OK? Beeper: 3 times ERROR indicator: Lights. POWER indicator: Blinks. (See page 5-25.) No Yes Ink-out error Check waste ink level. OK? Beeper: 5 times ERROR indicator: Lights. POWER indicator: Blinks. (See page 5-28.) Beeper: 3 times ERROR indicator: Lights. POWER indicator: Blinks. (See page 5-25.
Part 5: Maintenance BJC-8500 6.2.2 Error recovery a) Error types 1. Carriage Error Carriage position and speed cannot be controlled. Carriage unit, carriage belt, carriage cable, carriage shaft, idle pulley, logic board, carriage driver board, carriage motor, encoder head (carriage board), encoder film Buzzer: 6 times ERROR indicator: Repeatedly blinks twice. Visually check carriage drive section.
Part 5: Maintenance BJC-8500 Previous Page Check voltage of carriage motor. Measurement Point Std. Value Logic board J801 DC35 ±1.5V Pin No. 1 1 OK? No J801 Yes Replace power cord. Logic Board No OK? Yes Replace power supply unit. END Measurement Point Check carriage motor. Std. Value Pin No. Carriage driver board J2 1-2 Approx. 19 Ω J2 OK? No Yes END Replace logic board. Carriage Driver Board No OK? Yes Replace carriage driver board.
Part 5: Maintenance BJC-8500 2. HP Sense Error Home position cannot be detected. Carriage unit, carriage belt, carriage cable, carriage shaft, idle pulley, logic board, carriage driver board, carriage motor, encoder head (carriage board), encoder film Buzzer: 6 times ERROR indicator: Repeatedly blinks 3 times. See 1. Carriage Error (page 5-16).
Part 5: Maintenance BJC-8500 Purge sensor cannot be initialized. Purge unit, purge motor, 3. Purge Error purge motor drive transmission gear, logic board, power supply unit Buzzer: 6 times ERROR indicator: Repeatedly blinks 4 times. Measurement Point Sensor Std. Value Measurement Point Sensor Std. Value Logic board J903 Open Low level or Logic board IC2 Open Low level (printer controller) Pin No. 1 Close High level Close High level Pin No.
Part 5: Maintenance BJC-8500 The sheet feeder cannot be initialized. Sheet feeder unit, pick-up roller, 4. Sheet Feeder Error sheet feeder drive gear, purge motor, purge motor drive gear, pick-up roller sensor, logic board, encoder head (carriage board), encoder film Buzzer: 6 times ERROR indicator: Repeatedly blinks 5 times. Power ON Visually check rotation of the sheet feeder pick-up roller. OK? Yes No END Check operation of sheet feeder unit.
Part 5: Maintenance BJC-8500 5. Waste Ink Warning/Waste Ink Full Error The sum of waste ink level in the ink absorber and the waste ink optimizer level in the ink optimizer absorber has reached 95% (waste ink warning) or 100% (waste ink full error)*1. Waste ink absorber, Waste ink optimizer absorber, Buzzer: 5 times EEPROM (socket type), logic board ERROR indicator: Lights. (waste Ink warning) Buzzer: 6 times ERROR indicator: Repeatedly blinks 7 times.
Part 5: Maintenance BJC-8500 The potential difference calculated by the head 6. BJ Cartridge Temperature Rise Error temperature sensor inside the BJ cartridge is at or higher than the preset temperature. BJ cartridge Buzzer: 6 times ERROR indicator: Repeatedly blinks 8 times. Turn the printer OFF, leave for several minutes to allow it to cool down, and turn the power back ON. If the error is redisplayed, see the Measure in 7. EEPROM Error 11.
Part 5: Maintenance BJC-8500 9. Paper Pick-up Error/ Paper Jam Error Beeper: Twice ERROR indicator: Lights. (1) Printing paper is not picked up even if the pick-up operation is carried out. (2) Printing paper is not ejected even if the paper eject operation is carried out.
Part 5: Maintenance BJC-8500 (2) When paper is picked up from cassette unit Turn power ON again, and print nozzle check pattern. OK? Yes No END • Do the paper feed motor, paper feed roller and eject rollers rotate during initial operation? • Are there abnormal sounds? • Is the paper feed motor out of phase? Check operation of paper feed section. OK? No Yes Repair or replace defective part. • Is paper picked up normally from the cassette when the cassette pickup roller rotates? Check pick-up.
Part 5: Maintenance BJC-8500 10. Ink-out Error/ No Ink Tank Error (1) The ink tank has run out of ink. (2) The ink tank is not installed. Ink tank, ink sensor unit, logic board, anti-reflection sheet (fixed on inner side of main cover), encoder head (carriage board), encoder film Buzzer: 3 times ERROR indicator: Lights. (1) Ink-out error Printer in environment subject to external light? OK? No Yes Use printer in environment not subject to external light.
Part 5: Maintenance BJC-8500 Previous Page • Dirty anti-reflection sheet • External light disturbance? Check anti-reflection sheet. Main Cover Anti-reflection Sheet Ink Sensor OK? No Yes Replace anti-reflection sheet. Check ink sensor unit. 1 J901 Ink Sensor Unit Measurement Point J901 Pin No. 1 Logic Board OK? No Yes END Replace ink sensor unit. 5-26 Ink Sensor Interrupted Std. Value Approx. 0V Not interupted Approx.
Part 5: Maintenance BJC-8500 (2) "No ink tank" error Check installation of ink tank. Installed? No Yes Install ink tank. Check ink sensor unit. 1 J901 Ink Sensor Unit Logic Board Ink Sensor Measurement Point Interrupted J901 Pin No. 1 OK? END Replace ink sensor unit. OK? No Replace encoder film and encoder head (carriage board) Approx. 0V Not interrupted Approx. 4V Yes No Std.
Part 5: Maintenance BJC-8500 (1) An error in the rank resistance of the BJ cartridge 11. BJ Cartridge Error has been detected. (2) An error in the voltage value of the temperature sensor in the BJ cartridge has been detected. (3) The connection between the contact sections of the BJ cartridge and the carriage ribbon cable is defective. BJ cartridge, carriage unit, carriage board, carriage ribbon cable, logic board Buzzer: 4 times ERROR indicator: Lights.
Part 5: Maintenance BJC-8500 b) Developer unit • Pressing the POWER button does not turn the 1. Printer does not power ON power ON. Power supply unit, logic board, panel board, power cord Check connection between power cord outlet and printer OK? No Yes Re-connect. Check output voltage of power supply unit CN1 Measurement Point Pin No. 2 1 3 CN4 CN1 1 1 4 3 CN2 CN2 Std. Value 2* Approx. +10.4V 4 +35±0.
Part 5: Maintenance BJC-8500 • All colors are not printed. 2. Defective Printing <1> Printing is not Executed • Only specific colors are not printed. BJ cartridge, ink tank, purge unit, carriage ribbon cable, carriage board, logic board Remove & install the BJ cartridge. Execute head cleaning and head refreshing, once each.* Execute nozzle check print. OK? No Yes 1. Replace ink tank. END 2. Replace BJ cartridge. No OK? Yes 1. Replace logic board. END 2.
Part 5: Maintenance BJC-8500 3. Defective Printing <2> Other Print Defect Symptoms • Spur marks appear. • Corrupted characters • Density difference • Smeared paper Cause Spurs have deformed. Measure Replace the spurs. Print data still remaining. Turn the printer and computer OFF then back ON again. Select the printer driver for the BJC-8500. Inappropriate printer driver settings Rubber scraps attached to the rubber sleeve of the pick-up roller on the sheet feeder unit.
Part 5: Maintenance BJC-8500 7. CONNECTOR POSITION & SIGNAL ASSIGNMENT 7.1 Logic Board J805 J801 1 1 10 4 8 1 1 J1101 J1003 1 1 1 30 4 1 1 31 30 J701 J702 J703 16 4 J1201 J902 3 J903 J904 J3 J901 1 7 1 4 3 J2 1 12 J802 J201 Figure 5-11 Logic Board J2 (Parallel interface connector) ~ ~ ~ DATA8 IN/OUT ACKNLG OUT BUSY OUT P.E. OUT SELECT OUT AUTO FEED XT IN N.C. ... GND ... GND ... Peripheral Logic High ... DATA STROBE-RET ... ...
Part 5: Maintenance BJC-8500 J3 (Serial interface connector) Pin No. 1 2 3 4 5 6 7 8 Shield Signal SCLK ... TXDS-GND RXDTXD+ ... RXD+ PG IN/OUT OUT ... OUT ... IN OUT ... IN ... Function Signal lock Unused Transmit data Ground Receive data Transmit data Unused Receive data Shield ground of interface cable J201 (Fan control signal cable connector) Pin No. 1 2 Signal FANON GND IN/OUT Function OUT Fan drive signal ... Ground J701 (Carriage cable connector) Pin No.
Part 5: Maintenance BJC-8500 J702 (Carriage cable connector) Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Signal SCKA SDA<2> SDA<1> SDA<0> SDB<2> SDB<1> SDB<0> GND BGA GND BEA<3> BEA<2> BEA<1> BEA<0> HE<2> HE<1> HE<0> SHE<2> SHE<1> SHE<0> HTEMPA HTEMPB DASH DADT DACK DLD HRANK H5VON GND GND IN/OUT OUT OUT OUT OUT OUT OUT OUT ... OUT ... OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT IN IN OUT OUT OUT OUT IN OUT ... ...
Part 5: Maintenance BJC-8500 J703 (Carriage cable connector) Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Signal 11V 11V 11V 11V 11V 11V 11V 11V GND GND GND GND GND GND GND GND IN/OUT ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... Head Head Head Head Head Head Head Head Head Head Head Head Head Head Head Head Function drive voltage (10.3V±0.1VDC) drive voltage (10.3V±0.1VDC) drive voltage (10.3V±0.1VDC) drive voltage (10.3V±0.1VDC) drive voltage (10.3V±0.1VDC) drive voltage (10.3V±0.
Part 5: Maintenance BJC-8500 J901 (Ink sensor unit connection) Pin No. 1 2 3 4 Signal IZSEN GND VM INKP IN/OUT IN ... ... OUT Function Ink/ink tank detection signal (analog) Ground Sensor drive voltage Sensor drive signal J902 (Panel board connection) Pin No. 1 2 3 4 5 6 7 Signal LED0 LED1 IRSNS SW0 SW1 SW2 GND IN/OUT OUT OUT IN IN IN IN ...
Part 5: Maintenance BJC-8500 J1201 (Paper feed motor connector) Pin No.
Part 5: Maintenance BJC-8500 7.2 Carriage Board J2 J3 J1 1 1 1 16 50 30 30 1 50 J11 1 J12 Figure 5-12 Carriage Board J1 (Carriage cable connector) Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Signal D5V GND ENB GND ENA GND SHE3 SHE4 SHE5 HE3 HE4 HE5 BEB0 BEB1 BEB2 BEB3 GND BGB GND SDB3 SDB4 SDB5 SDA3 SDA4 SDA5 SCKB 5V 5V 5V 5V IN/OUT ... ... OUT ... OUT ... IN IN IN IN IN IN IN IN IN IN ... IN ... IN IN IN IN IN IN IN ... ... ... ...
Part 5: Maintenance BJC-8500 J2 (Carriage cable connector) Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Signal GND GND H5VON RNKOUT DLD DASLK DADT DASH DSOUT2 DSOUT1 SHE0 SHE1 SHE2 HE0 HE1 HE2 BEA0 BEA1 BEA2 BEA3 GND BGA GND SDB0 SDB1 SDB2 SDA0 SDA1 SDA2 SCKA IN/OUT ... ... IN OUT IN IN IN IN OUT OUT IN IN IN IN IN IN IN IN IN IN ... IN ...
Part 5: Maintenance BJC-8500 J11 (BJ Cartridge cable connector) Pin No.
Part 5: Maintenance BJC-8500 J12 (BJ Cartridge cable connector) Pin No.
Part 5: Maintenance BJC-8500 7.3 Panel Board J1 7 1 Figure 5-13 Panel Board J1 Pin No. 1 2 3 4 5 6 7 Signal GND SW3 SW1 SW2 DOOR ERROR POWER IN/OUT ... OUT OUT OUT OUT IN IN Function Ground Ink/ink tank replacement switch POWER switch RESUME switch Cover open detection signal ERROR indicator drive signal POWER indicator drive signal 7.4 Carriage Driver Board J2 31 8 1 J1 Figure 5-14 Carriage Driver Board J1 (Directly attached to carriage driver board) Pin No.
Part 5: Maintenance BJC-8500 7.5 Upper Cassette Board J1 1 10 1 J2 10 Figure 5-15 Upper Cassette Board J1 Pin No. 1 2 3 4 5 6 7 8 9 10 Signal CSENS1 CSENS2 CSENS3 CSENS4 CSENS5 CS01 CS02 GND OPT VM IN/OUT OUT OUT OUT OUT OUT IN IN ... IN ...
Part 5: Maintenance BJC-8500 7.6 Lower Cassette Board 1 J1 1 10 Figure 5-16 Lower Cassette Board 1 J1 Pin No. 1 2 3 4 5 6 7 8 9 10 Signal CSENS1 CSENS2 CSENS3 CSENS4 CSENS5 CS01 CS02 GND OPT VM IN/OUT OUT OUT OUT OUT OUT IN IN ... IN ...
Part 5: Maintenance BJC-8500 7.7 Lower Cassette Board 2 J2 1 1 1 3 J3 10 10 J1 Figure 5-17 Lower Cassette Board 2 J1 Pin No. 1 2 3 4 5 6 7 8 9 10 Signal VM OPT GND CS02 CS01 CSENS5 CSENS4 CSENS3 CSENS2 CSENS1 IN/OUT ... IN ...
Part 5: Maintenance BJC-8500 7.8 Fan Board J1 13 J4 13 13 J2 12 J3 Figure 5-18 Fan Board J1 Pin No. 1 2 3 Signal +35V — GND IN/OUT Function ... Fan drive voltage ... ... Ground Signal — GND +35V IN/OUT Function ... OUT Fan drive voltage return OUT Fan drive voltage Signal — GND +35V IN/OUT Function ... OUT Fan drive voltage return OUT Fan drive voltage Signal FANON GND IN/OUT Function IN Fan enable signal ... Ground J2 Pin No. 1 2 3 J3 Pin No. 1 2 3 J4 Pin No.
Part 5: Maintenance BJC-8500 7.9 Power Supply Unit 1 3 1 CN4 CN1 41 3 CN2 Figure 5-19 Power Supply Unit CN1 Pin No. 1 2 3 Signal 0V +5V VENB IN/OUT Function ... Logic drive voltage return ... Logic drive voltage (5V±0.2V) ... 10.3V enable signal Signal 0V +10.3V 0V +35V IN/OUT ... ... ... ... Signal 0V — +35V IN/OUT Function ... Ground ... ... Fan drive voltage CN2 Pin No. 1 2 3 4 Function Head drive voltage return Head drive voltage (10.3V±0.
Part 5: Maintenance BJC-8500 8. CIRCUIT DIAGRAMS Figure 5-20 Logic Board Front Surface 8.1 Parts Layout 8.1.
Part 5: Maintenance Figure 5-21 Logic Board Rear Surface BJC-8500 (reduced to 90%) 5-49
Part 5: Maintenance BJC-8500 8.1.
Part 5: Maintenance BJC-8500 8.1.
Part 5: Maintenance BJC-8500 This page intentionally left blank 5-52
Part 5: Maintenance BJC-8500 8.2 Circuit Diagrams 8.2.1 Logic board 1 2 3 4 5 6 7 8 9 10 LOGIC BOARD 01 <02-E2> <02-E2> <02-E2> MPU +5V IREQ2 IREQ1 IREQ0 R231 3.3K,1/16W R215 10K, 1/16W <11-F3> <11-D3> +5V R214 10K, 1/16W R233 1K,1/16W R234 1K,1/16W R240 10K,1/16W A IZSEN <08-B8> +5V R213 10K, 1/16W CP12 CP11 +5V R232 3.
Part 5: Maintenance BJC-8500 1 2 3 4 5 6 7 8 9 10 LOGIC BOARD 02 PRINTER CONTROLLER 1/2 SCKB SCKA CSEN1 +3.3V R305 10K,1/16W R306 10K,1/16W A R309 10K,1/16W C305 0.1µ,25V LED1 LED0 SOE BEA <3..0> SDB <5..0> SDA <5..0> 8 SDT <7..0> <06-B2> <06-B2> <06-B2> <04-C10> 7 6 5 10 0 4 6 6 <08-E8> <08-D8> <04-B7> 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 BGA BGB CSEN2 BEB <3..
Part 5: Maintenance BJC-8500 2 3 4 5 +5V C408 0.1µ,25V PRINTER CONTROLLER 2/2 +3.3V D1 RB411D 7 PHASE INIT IF5V SLIN ATFD SLCT FLT PE 8 R410 10K,1/16W +5V R409 10K,1/16W +3.3V C406 0.1µ,25V WD IRSNS R411 10K,1/16W +5V CP513 CP514 CP516 10K,1/16W 10K,1/16W 10K,1/16W 10K,1/16W 10K,1/16W 10K,1/16W 10K,1/16W 10K,1/16W CP408 CP229 R421 R422 R423 R424 R425 R426 R427 R428 CP511 CP512 B C405 0.1µ,25V 7 0 8 CP176 CP175 CP174 C402 0.
Part 5: Maintenance BJC-8500 1 2 3 4 5 6 7 8 9 10 LOGIC BOARD 04 CONTROL ROM & EEPROM & SRAM A SRAM (256Kbit) IC503 EEPROM (4Kbit) <02-A10> +5V IC501 <01-E1> <01-F3> <01-E3> <01-F3> 1 2 3 4 EECS EECK EEDI EEDO 1 2 3 4 CS SK DI DO +5V VCC NC TEST GND 8 7 6 5 8 7 6 5 <02-D10> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 SOE 11 9 8 13 SWE0 C501 0.1µ,25V 14 12 7 6 5 4 3 C503 0.
Part 5: Maintenance BJC-8500 1 2 3 4 5 6 7 8 9 10 LOGIC BOARD 05 DRAM A B DRAM (16Mbit) IC601 +5V 0 1 2 3 C601 0.
Part 5: Maintenance BJC-8500 1 2 3 4 5 6 7 8 9 10 LOGIC BOARD 06 BJ CARTRIDGE DRIVERS A <02-B10> <02-B10> <02-A10> <02-B2,03-C1> <03-C1> <03-C1> SDA <5..0> SDB <5..0> BEA <3..0> BEB <3..0> HE <5..0> SHE <5..
Part 5: Maintenance BJC-8500 1 2 3 4 5 6 7 8 9 10 LOGIC BOARD 07 LOWER CASSETTE & POWER SUPPLY A B <35V,11V POWER SUPPLY> +35V J805 <11-B8,08-B3> VM FB809 BK2125HS750 J801 1 1 C802 100µ,50V <02-B2> OPT FB801 BL1608LM252 2 2 C804 1000p,50V FB810 <03-E10> CSO2 FB802 CSO1 FB803 BK2125HS750 3 BL1608LM252 4 BL1608LM252 C +11V 3 DA801 HZM6.8FA 4 C805 1000p,50V <03-E10> C803 0.
Part 5: Maintenance BJC-8500 1 2 3 4 5 6 7 8 9 10 LOGIC BOARD 08 SENSORS & PANEL A J901 1 2 <07-C4,11-B8> R909 910,2W VM IZSEN <01-A8> C911 1000p,50V B BK1608HS102 FB901 3 C910 1000p,50V <03-C10> BK1608HS102 FB902 4 Q903 RN1423 INKP IC901 TC7504F C +5V +5V +5V +5V Q902 2SB1260 1 2 D5V 3 R901 4.
Part 5: Maintenance BJC-8500 1 2 3 4 5 6 7 8 9 10 LOGIC BOARD 09 CARRIAGE MOTOR A +35V B +5V FU1 ICP-N38 J1003 C 6 7 <03-C10> <03-C10> <03-C10> <01-D1> DCMON DCDIR DCBRK CRPWM FB1001 FB1002 FB1003 FB1004 BK1608HS102 2 D BK1608HS102 3 BK1608HS102 4 BK1608HS102 1 5 E 8 C1001 1000p,50V C1002 1000p,50V C1003 1000p,50V C1004 1000p,50V F G 5-61
Part 5: Maintenance BJC-8500 1 2 3 4 5 6 7 8 9 10 LOGIC BOARD 10 PURGE MOTOR A +35V FU2 ICP-N25 J1101 B 4 C1102 820p,50V R1101 56K,1/16W <01-D1> <01-E3> PGI1 PGA <01-D1> PGI0 PURGE MOTOR DRIVER IC1101 1 2 3 4 5 6 7 8 E MA Vmm GND GND VR C I0 MB T Vmm GND GND Vcc I1 Ph 16 15 14 13 12 11 10 9 R1104 0.82,0.
Part 5: Maintenance BJC-8500 1 2 3 4 5 6 7 8 9 10 LOGIC BOARD 11 PAPER FEED MOTOR A +35V FU3 ICP-N25 VM <07-C4,08-B3> J1201 B 4 C1202 820p,50V R1201 56K,1/16W <01-D1> <01-B1> LFI1 LFA <01-D1> LFI0 PAPER FEED MOTOR DRIVER IC1201 1 2 3 4 5 6 7 8 E MA Vmm GND GND VR C I0 MB T Vmm GND GND Vcc I1 Ph 16 15 14 13 12 11 10 9 R1204 0.75,0.
Part 5: Maintenance BJC-8500 1 2 3 4 5 6 7 8 9 10 LOGIC BOARD 12 INTERFACE +5V J2 STROBE Q1501 DTB113EK R1515 390,1/10W R1501 1K,1/16W 1 R1516 100,1/10W D5 RB411D CNTR5 CP51 R1517 100,1/10W STRB DATA1 2 DATA2 3 DATA3 4 3 2 1 DA1 HZM6.8FA 6 DATA6 7 3 2 1 DA4 HZM6.8FA DATA7 R1504 3.3K,1/16W C1513 1000p,50V 2 R1505 3.3K,1/16W C1514 1000p,50V 3 R1506 3.3K,1/16W C1515 1000p,50V 4 R1507 3.3K,1/16W C1516 1000p,50V 5 R1508 3.3K,1/16W C1517 1000p,50V 6 R1509 3.
Part 5: Maintenance BJC-8500 8.2.2 Carriage board 1 2 J1 3 4 5 6 7 8 9 10 CARRIAGE BOARD 01 J2 +5V 30 30 29 29 28 SCKA SDA2 SDA1 28 C201 CP96 0.
Part 5: Maintenance BJC-8500 1 2 3 4 5 6 7 8 9 10 CARRIAGE BOARD 02 J11 J12 1 2 CP1 3 CP2 4 CP3 5 CP4 6 CP5 7 8 CP6 9 10 11 DI2A <03-G5> 1 DI5A <03-G6> RNK2 <03-D2> 2 RNK5 <03-E2> BEA2 <01-C7> 3 BEB2 <01-D3> BEA3 <01-C7> 4 SHE2 <01-E7> 5 SDB2 <01-B7> 6 SDA2 <01-A7> 7 DI2B <03-E9> 8 HE2 <01-D7> 9 ID <03-D9> 10 DI1A <03-G5> 11 CP7 13 14 CP8 15 CP9 16 CP10 17 SHE1 <01-E7> 13 RNK1 <03-D2> 14 SDB1 <01-B7> 15 SCKA <01-A7> 16 DI1B <03-G6> 17 CP2
Part 5: Maintenance BJC-8500 1 2 3 4 5 6 7 8 9 10 <01-G7> <01-F7> <01-E7> <01-F7> <01-F7> <01-F7> CARRIAGE BOARD 03 CP100 CP99 CP98 RNKOUT DSOUT2 DSOUT1 DLD DADT DASLK A +5V 9 IC2 LS14 11 8 14 7 C304 0.1µ,50V B 3 CP103 CP102 CP101 2 10 1 VCC GND C303 1000p,50V IC2 LS14 +5V +5V 12 TH1 TH20-3M503F R4 51K,1/10W CP90 CP94 CP78 CP77 CP76 CP75 CP74 CP73 6 R3 10K,1/10W C302 0.
Part 5: Maintenance BJC-8500 8.2.3 Carriage driver board 1 2 3 4 5 6 7 8 9 10 CARRIAGE DRIVER BOARD A IC4 IC3 +5V LS02 B +5V 00 14 7 VCC GND VCC GND J2 8 4 FB1 FB2 +5V 2 3 IC4 1 02 5 6 J1 8 7 6 5 4 3 2 4 02 6 5 02 8 9 CP2 IC4 10 02 CP3 CP4 CP5 CP6 DG CP7 CP9 CP8 CP10 +5V +35V 11 12 IC3 00 IC4 CP1 1 2 3 +5V 00 7 CP16 CP18 D1 U1GWJ49 CARRIAGE MOTOR DRIVER IC1 CP13 CP14 CP11 CP12 MG R2 0.
Part 5: Maintenance BJC-8500 8.2.4 Ink sensor/Fan board 2 3 4 5 6 7 8 9 10 INK SENSOR / FAN BOARD A B J1 J1 1 1 3 2 C J2 Q1 DTB113ZS (+35V) 3 R1 5.
Part 5: Maintenance BJC-8500 8.2.
Part 5: Maintenance BJC-8500 8.2.
Part 5: Maintenance BJC-8500 8.2.
The printing paper contains 70% waste paper. PRINTED IN JAPAN (IMPRIME AU JAPON) CANON INC.