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Canon BJC-820, Service Manual

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Canon BJC-820 Service Manual Download Page 97

Part 5: REFERENCE

BJC-8200

5-21

CSCR

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12

13

14

15

16

17

18

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21

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LOGIC BOARD 01

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3.2 Circuit Diagrams

Summary of Contents for BJC-820

Page 1: ...QY8 1369 000 REVISION 0 COPYRIGHT 1999 CANON INC CANON BJC 8200 1199 SE 0 28 0 PRINTED IN JAPAN IMPRIME AU JAPON NOV 1999 ...

Page 2: ...1199 SE 0 28 0 ...

Page 3: ......

Page 4: ...and company names appearing in this manual are the registered trademarks or trademarks of the individual companies Copyright This manual is copyrighted and all rights reserved Under the copyright laws this manual may not be copied reproduced or translated into other languages in whole or in part without the express written consent of Canon Inc except in the case of internal business use Copyright ...

Page 5: ...ION This part explains how to operate the unit properly and how to use the service mode Part 4 TROUBLESHOOTING This part explains how to resolve problems of the unit and contains information on how to locate and replace serviceable units and parts It is divided into two sections Troubleshooting by Errors and Troubleshooting by Symptoms Part 5 REFERENCE This part outlines the unit operation giving ...

Page 6: ...List of Tools 2 3 2 2 Operation Precautions 2 3 2 2 1 Ink paths 2 4 2 2 2 Ink mist 2 4 2 2 3 Precautions for damage due to static electricity 2 5 2 2 4 Precautions for transporting the printer 2 5 2 2 5 Precautions on spur tip deformation 2 6 2 3 Precautions for Disassembling and Reassembling the Printer 2 6 2 3 1 Unlocking the carriage 2 6 2 3 2 Removing installing self tap screws 2 7 2 3 3 Adjus...

Page 7: ...UBLESHOOTING BY DISPLAYED ERRORS 4 1 1 1 Initial Flowchart 4 4 1 2 Error List Indicator Beeper Error Code 4 5 1 3 Troubleshooting by Errors 4 14 2 TROUBLESHOOTING BY SYMPTOMS 4 14 2 1 Troubleshooting by Symptoms Part 5 REFERENCE 5 1 1 TECHNICAL REFERENCE 5 1 1 1 Functions of the Paper Feed Unit 5 2 1 2 Carriage Function 5 3 1 3 Purge Unit Functions 5 4 1 4 BJ Cartridge 5 5 1 5 Detection With Senso...

Page 8: ...9 Figure 3 5 Service Test Print Sample 3 10 Figure 3 6 EEPROM Information Print Sample 3 11 Figure 3 7 A Guide to Determine the Amount of Waste Ink Absorbed Sample 3 13 Figure 3 8 Head Position Adjustment Pattern Sample Part 5 REFERENCE 5 1 Figure 5 1 Paper Feed Path 5 2 Figure 5 2 Carriage Unit 5 3 Figure 5 3 Purge Unit 5 4 Figure 5 4 BJ Cartridge 5 5 Figure 5 5 Sensor Position 5 6 Figure 5 6 Log...

Page 9: ...IV TABLE INDEX Page Part 3 OPERATION 3 2 TABLE 3 1 ERROR DISPLAY Part 4 TROUBLESHOOTING 4 4 TABLE 4 1 ERROR DISPLAY Part 5 APPENDIX 5 3 TABLE 5 1 AMOUNTS OF INK USED DURING CLEANING GUIDE V ...

Page 10: ...VI This page intentionally left blank ...

Page 11: ... 3 2 1 Main Unit Specifications 1 4 2 2 Paper Specifications 1 4 2 3 BJ Cartridge 1 6 2 4 Interface Specifications 1 7 2 5 Printer Driver 1 7 2 6 Scanner Cartridge IS 52 Optional 1 8 3 NAMES OF PARTS AND THEIR FUNCTIONS 1 8 3 1 Names of Parts and Their Functions Part 1 PRODUCT SPECIFICATIONS ...

Page 12: ......

Page 13: ... prove this printer a highly value added product This printer is intended to increase the market share where photo realistic output is demanded targeting users who need excellent photographic quality printing 1 1 BJC 8200 Part 1 PRODUCT SPECIFICATIONS PRODUCT SPECIFICATION Paper Output Tray Paper Thickness Lever Auto Sheet Feeder Paper BC 50 BJ Cartridge Parallel Interface Connector USB Interface ...

Page 14: ...ard equipment 4 Individually replaceable ink tanks for each color for reduced running costs 5 Ink low detection using both optical and dot counting systems and translucent ink tanks allow visual checking of the ink level 6 A mechanism to allow manual correction of print position misalignment of each color as well as in bi directional printing 7 A function to notify of the optimum head gap setting ...

Page 15: ...es Paper detection Yes Waste ink full Yes Paper width detection No Acoustic noise during Approx 37 dB A For 8 pass printing with a sheet feeder operation full of paper Sound pressure level compliant with ISO9296 Environmental conditions Operation Temperature 5 to 35 C Humidity 10 90 RH No condensation Standby Storage 0 35 C Humidity 10 90 RH No condensation Power supply Voltage frequency Power con...

Page 16: ...sheet Up Thick paper Measurement A4 LTR Manual feed Down 91 500 g m2 only Always use GP 301 PR 101 with the cleaning plate underneath it Always use OHP film with a sheet of plain paper beneath it Always use glossy photo paper with the associated auxiliary sheet beneath it 2 2 2 Paper measurement Automatically fed paper 64 90 g m2 Manually fed paper 64 500 g m2 up to 0 6 mm 2 2 3 Printable area Ref...

Page 17: ...20 0mm 3 0mm 5 0mm 6 4mm 6 4mm 3 4mm 3 4mm 28 0mm 20 0mm 1 2 3 4 5 6 3 0mm 5 0mm 3 0mm 5 0mm 6 4mm 28 0mm 20 0mm 28 0mm A4 A5 B5 Size Letter LTR Legal LGL Size Envelope Banner Paper For 6 page printing Recommended printing area Printable area COM 10 30 4mm DL 9 4mm Figure 1 2 Printable Area ...

Page 18: ...CONNECTOR POSITIONS AND PIN ASSIGNMENT Page 5 6 for details 2 4 2 Serial USB interface 1 Interface type USB Interface Universal Serial Bus USB Specification Release 1 0 2 Data transfer Control transfer method Bulk transfer method 3 Signal voltage level Input Input difference sensitivity 0 2V Max Common mode difference 0 8V to 2 5V Output Static output high 2 8V to 3 6V Static output low 0 0V to 0 ...

Page 19: ...artridge replacement type color scanner Light source 3 LED s for RGB Resolution 600x600 300x300 200x200 150x150 and 75x75 dpi Paper width 208 2mm Scannable band width Up to 10 8mm Paper thickness Up to 0 25mm Operation environment OS Win98 95 NT4 0 Mac OS 8 1 or later I F Parallel IEEE1284 compliant USB Memory 8MB 16MB or more recommended Unused Disk space 50MB at least Life span 1200 sheets A4 pa...

Page 20: ...peration Panel Indicator Not lit when powered off When lit in green the printer is ready to print When lit or blinking in orange an error has occurred and the printer cannot print RESUME Button After correcting a problem press this button to make the printer ready POWER Button Press this button to power on or off the printer Auto Sheet Feeder ASF Set paper here You can set multiple sheets each she...

Page 21: ... 2 2 2 1 List of Tools 2 3 2 2 Operation Precautions 2 6 2 3 Precautions for Disassembling and Reassembling the Printer 2 8 2 4 Grease Application 2 9 2 5 Adjustment Setting Procedures 2 12 3 OPERATION CHECK AFTER DISASSEMBLING REASSEMBLING 2 12 3 1 Confirmation Methods 2 13 4 TRANSPORTING THE PRINTER 2 13 4 1 Transporting the Printer Part 2 MAINTENANCE ...

Page 22: ......

Page 23: ...ce personnel None Level Consumable User BJ cartridge Ink tanks not included Ink tank Black Ink tank Cyan Ink tank Magenta Ink tank Yellow Ink tank Photo cyan Ink tank Photo magenta Service personnel None 1 2 List of Periodic Maintenance Level Location User None Service personnel None 2 1 BJC 8200 Part 2 MAINTENANCE MAINTENANCE ...

Page 24: ... Long nose pliers For removing and replacing springs Tweezers For removing and installing flexible cables Flat brush For applying grease one per grease type Multimeter For troubleshooting Special tools part No Note Grease MOLYKOTE PG 641 To be applied to specified locations See Page 2 8 CK 0562 000 Grease EU 1 To be applied to the portion of the guide shaft which the QY9 0037 000 carriage slides o...

Page 25: ...rin 56 81 5 isopropyl alcohol 67 63 0 ethylene glycol 107 21 1 and di ethylene glycol 111 46 6 respectively Yellow ink contains glycerin 56 81 5 and isopropyl alcohol 67 63 0 Be careful not to get the ink into your mouth or eyes If the ink gets into your eyes wash with plenty of water and consult a doctor In case a large amount of ink has been swallowed consult a doctor immediately The ink contain...

Page 26: ... during servicing Also be careful not to smudge the pick roller when removing the upper cover 2 2 3 Precautions for damage due to static electricity Static electricity can be generated by clothing rubbing against each other and may accumulate in the body If you touch electrical elements the discharge of static electricity could damage them or change their electrical characteristics For this reason...

Page 27: ...inter is being transported 2 2 5 Precautions on spur tip deformation Take care not to bend the tips of the spurs The tips of the spurs make contact with printed paper and are contaminated with ink but due to their small surface contact area the tips cleaned by the spur cleaners will not stain the printed paper However if the tips are bent and their contact surface area increases they collect more ...

Page 28: ...is unlocked automatically If the printer cannot be powered on normally it will be necessary to manually unlock the carriage This can be done by turning the gear of the purge unit in the direction of the arrow by finger as shown in Figure 2 5 Unlocking the Carriage 2 3 2 Removing installing self tap screws The printer unit is secured to the lower case with tap screws Once the tap screws have been r...

Page 29: ... loosen the fixing screws 2 3 4 Feed gear Be careful not to touch the gears in the paper feed unit especially the feed roller gear during disassembling or reassembly Although covered even slight damage to it could affect paper feeding when printing at high resolution 2 7 BJC 8200 Part 2 MAINTENANCE MAINTENANCE Figure 2 6 Adjustable Bushings Supporting the Carriage Shaft Adjustable Bushing Supporti...

Page 30: ... Molykote PG 641 Cam Sliding Surface Approx 24 mg Molykote PG 641 Grease Pad Approx 35 mg EU 1 Eject Roller Gear Teeth apply to all teeth evenly Approx 60 mg Molykote PG 641 LF Gear Teeth apply to all teeth evenly Approx 72 mg Molykote PG 641 Feed Roller Sliding Surface Approx 24 mg Molykote PG 641 Feed Roller Sliding Surface Approx 12 mg Molykote PG 641 Paper Thickness Lever Approx 12 mg Molykote...

Page 31: ...orber is replaced When pick up roller becomes Clean pick up roller 3 min Cleaning plate contaminated 2 5 2 Cleaning the pick up roller If surface processed paper or High Resolution Paper HR 101 is used in large quantity paper feeding may be affected due to paper dust adhering to the pick up roller If this happens clean the pick up roller inside the printer with the cleaning plate supplied with the...

Page 32: ...e procedures refer to Part 3 2 1 Service Mode Operations Page 3 8 Set at least one sheet of A4 high resolution paper into the ASF and carry out the print head position adjustment from the printer driver s Maintenance sheet If normal paper is used to adjust the print head position the ink may bleed preventing accurate determination Use High Resolution Paper HR 101 or Glossy Photo Paper GP 301 which...

Page 33: ...k full warning or error reset the waste ink counter Previous EEPROM data cannot be checked from the Service Mode once the EEPROM has been reset Always perform the check before resetting the EEPROM All information such as function status number of sheets passed waste ink amount etc except for the USB serial number will be lost when the EEPROM is reset It is not possible to write data such as functi...

Page 34: ...either the logic board or the waste ink absorber in addition to 1 it is necessary to confirm the following points When the Check items Logic board is replaced On the service factory test print confirm that the ROM version and model name are correct and that the number of sheets passed has been cleared and the waste ink counter is set appropriately Printing the nozzle check pattern via the printer ...

Page 35: ...OWER button to turn off the printer After the printer moves the carriage to the home position for cleaning and locks the carriage in place the indicator will go out 3 Disconnect the interface cable s 4 Unplug the AC power cord from the wall outlet 5 Open the front cover and visually confirm that the carriage is locked in the capping position on the right side of printer If the carriage is not in t...

Page 36: ...Part 2 MAINTENANCE BJC 8200 2 14 This page intentionally left blank ...

Page 37: ...3 5 1 4 Function Settings 3 6 1 5 Off line Operation 3 8 2 SERVICE MODE 3 8 2 1 Service Mode Operations 3 9 2 2 Service Test Print 3 10 2 3 Printing EEPROM Information 3 11 2 4 Resetting the EEPROM 3 11 2 5 Setting the Waste Ink Counter 3 12 2 6 Setting the Model 3 12 2 7 Adjusting the Head Position 3 13 2 8 Roller Cleaning Part 3 OPERATION ...

Page 38: ......

Page 39: ...is printer displays errors using the indicator and beeper If an error occurs the printer displays an error code in the status monitor to show the error status 3 1 BJC 8200 Part 3 OPERATION OPERATION POWER Button RESUME Button Indicator Figure 3 1 Operation Panel ...

Page 40: ...Orange in 4 times 10 times 5C00 Page 4 7 ASF sensor error Blinks in Orange 5 times 10 times 5700 Page 4 8 Temperature sensor error Blinks in Orange 6 times 10 times 5400 Page 4 5 Waste ink full error Blinks in Orange 7 times 10 times 5B00 Page 4 9 Head temperature error Blinks in Orange 8 times 10 times 5200 Page 4 10 EEPROM error Blinks in Orange 9 times 10 times 6800 Page 4 5 ROM error Blinks in...

Page 41: ...rrectly 10 ASF sensor error ASF sensor cannot detect the pick up roller flag correctly 11 Temperature sensor error The temperature inside the printer increases abnormally when the scanner cartridge is installed This error does not occur when the BJ cartridge is installed 12 Waste ink full error The data stored in EEPROM representing the amount of waste ink absorbed exceeds 100 of the defined capac...

Page 42: ...es and show recommended recovery methods 3 Indicate ink out warnings by icon and name 4 Abort the current print job 1 3 2 Items displayed on the BJ status monitor 1 Printer designation 2 Document name 3 Printer conditions including brief corrective measure when in error 4 Date and time of print start 5 Progress status 6 Number of pages printed 7 Print job abortion 8 Cartridge installed Photo cartr...

Page 43: ... can set execute the following items 1 Cleaning 2 Head refreshing long cleaning 3 Clean the pick up roller 4 Print the nozzle check pattern 5 Adjust the head position 6 Power off the printer 7 Launch the status monitor 8 Special settings Enable ECP mode disabled by default Enable high speed printing enabled by default printer s response time ACKNLG is changed from 4 to 0 9 ms 3 5 BJC 8200 Part 3 O...

Page 44: ...printing the nozzle check pattern again The cleaning operation cannot be performed when the scanner cartridge is installed 1 5 2 Nozzle check pattern printing With the printer powered on hold down the RESUME button and after confirming two beeps release the RESUME button The nozzle check pattern printing will start feeding a sheet which must be of A4 size from the auto sheet feeder or manual paper...

Page 45: ... the scanner cartridge 2 Replacing the ink tank You can replace the ink tanks without having to raise the cartridge lock lever Since there are 6 separate ink tanks one for each color you can separately replace the ink tank that has become empty The BJ cartridge may be very hot immediately after continuous operation If you open the printer cover when the cartridge is still hot the carriage will not...

Page 46: ...or Functions 0 Lights in green Power off the printer 1 Lights in orange Service test print 2 Lights in green EEPROM information print 3 Lights in orange EEPROM reset all data cleared except USB serial number 4 Lights in green Waste ink counter setting see page 3 11 5 Lights in orange Model setting see page 3 12 6 Lights in green Print head position pattern printing 7 Lights in orange Print head po...

Page 47: ... A xxxx B xxxx C xxxx D xxxx USB xxxxxx Model name Control ROM version Total waste ink absorbed absorption ratio of the waste ink absorber Total sheets passed while BJ cartridge was used Total sheets passed while Scanner cartridge was used Times of BJ cartridge replacement Position setting for bi directional printing Times of scanner cartridge replacement Factory control Times of cleaning A Times ...

Page 48: ...nk dot counts for each color Left 0 if ink remains in tank and 1 if not left Center Dot counts indicating ink level in tank when left most value is 0 Header Error records Times of wiping Head position adjustment value Position setting for bi directional printing For each color e Even number nozzle o Odd number nozzle Head serial number Internal Head Information BJ F850 P Vx xx ID xxx xx Page xxxxx...

Page 49: ... be set to check how much ink has been absorbed by the absorber as a percentage Use Figure 3 7 as a guide to determine the percentage Note however that it depends on how the printer has actually been used To select the counter value select Waste ink setting in 2 1 Service Mode Operations and press the POWER button Then press the RESUME button the number of times listed below The beeper will sound ...

Page 50: ...cting a service test print or EEPROM information print Use High Resolution Paper HR 101 or Glossy Photo Paper GP 301 which provide higher quality printing Adjust the head position in the following procedure 1 From the service function selection status in Part 3 2 1 Service Mode Operations select Print head position pattern printing and press the POWER button 2 The printer starts to print the head ...

Page 51: ...ion status 4 Insert a sheet of plain paper into the printer with the cleaning plate set The paper should be inserted all the way until the front edge of the paper contacts the inside of the printer 5 Press the RESUME button 9 times to select Plain paper feeding ejection after roller cleaning and press the POWER button to perform the paper feeding ejection 6 Carry out steps 4 and 5 once again 7 Rem...

Page 52: ...Part 3 OPERATION BJC 8200 3 14 This page intentionally left blank ...

Page 53: ...NG BY DISPLAYED ERRORS 4 1 1 1 Initial Flowchart 4 4 1 2 Error List Indicator Beeper Error Code 4 5 1 3 Troubleshooting by Errors 4 14 2 TROUBLESHOOTING BY SYMPTOMS 4 14 2 1 Troubleshooting by Symptoms Part 4 TROUBLE SHOOTING ...

Page 54: ......

Page 55: ...ead EEPROM Error check ROM Error RAM Error Other Hardware Error EEPROM Error Power on by pressing POWER button Plug in AC cord Yes No OK 10 beeps Indicator blinks in orange 12 times repeatedly See Page 4 5 10 beeps Indicator blinks in orange 9 times repeatedly See Page 4 5 10 beeps Indicator blinks in orange 11 times repeatedly See Page 4 5 10 beeps Indicator blinks in orange 10 times repeatedly S...

Page 56: ...ize pick up roller operation Yes No OK ASF Sensor Error Check waste ink counter Yes No Is BJ cartridge installed Yes Waste Ink Full Error No To next page 10 beeps Indicator blinks in orange 4 times repeatedly See Page 4 7 10 beeps Indicator blinks in orange 5 times repeatedly See Page 4 8 10 beeps Indicator blinks in orange 8 times repeatedly See Page 4 10 10 beeps Indicator blinks in orange 7 tim...

Page 57: ...arriage initialization Cleaning operation Is BJ cartridge installed Yes Check carriage operation Yes Correct No paper Paper found Check paper Eject paper Paper Jam Error Is paper inside printer Check paper Yes No OK From previous page END 10 beeps Indicator blinks in orange 2 tim repeatedly See Page 4 6 3 beeps Indicator lights in orange See Page 4 11 ...

Page 58: ... 10 times 5100 Page 4 6 Purge error Blinks in Orange 4 times 10 times 5C00 Page 4 7 ASF sensor error Blinks in Orange 5 times 10 times 5700 Page 4 8 Temperature sensor error Blinks in Orange 6 times 10 times 5400 Page 4 5 Waste ink full error Blinks in Orange 7 times 10 times 5B00 Page 4 9 Head temperature error Blinks in Orange 8 times 10 times 5200 Page 4 10 EEPROM error Blinks in Orange 9 times...

Page 59: ... CPU Measure Replace EEPROM CPU and logic board Cause Internal processing on logic board is not performed correctly Suspected parts EEPROM CPU Measure Replace CPU ASIC and logic board Error indications may fail if error occurs with ROM RAM or other hardware Cause The thermistor is defective Suspected parts Thermistor Measure Replace the logic board 4 5 BJC 8200 Part 4 TROUBLESHOOTING TROUBLE SHOOT...

Page 60: ...Move the carriage by hand and check for smoothness and unusual noise Che any creasing on the carriage ribbon cable Check if encoder film carriage motor connector and carriage ribbon cable ar attached correctly 2 Replace carriage board 3 Replace carriage ribbon cable Connect disconnect service parts No OH2 2333 Note 3 different types of carriage cables are used 1 Replace encoder film Yes No OK Repl...

Page 61: ...te the drive gear by hand in the direction as shown in the figure to the right to check that it rotates smoothly Replace logic board OK No Yes 1 Replace AC adapter Purge Unit END Replace purge unit Replace purge unit Drive Gear 2 Replace DC cable Remove Purge unit from main unit and turn it on Check the measuring points while opening closing the sensor by rotating the drive gear by hand Measuremen...

Page 62: ...sensor flag broken or missing Remove ASF unit from main unit and rotate the drive gear by hand to see if pick up roller and other parts operate smoothly Position the pick up roller sensor flag so that it does not cut off the light beam to the sensor Turn on the power and check if pick up roller operates correctly Check pick up roller operation No Yes OK Replace logic board Replace pick up roller R...

Page 63: ... amount of ink absorbed exceeding 75 No Yes Replace waste ink absorber 1 Set the waste amount into EEPROM again Reset the EEPROM waste ink counter See Page 3 8 Check how much ink is absorbed in waste ink absorber Determine absorption ratio of the waste ink absorber in See Figure 3 7 A Guide to Determine the Amount of Waste Ink Absorbed on Page 3 11 0 Clear 25 50 and 75 See Part 3 2 1 Service Mode ...

Page 64: ... 10 Yes No Is error indicated BJ cartridge head unit may have overheated Turn power on Leave printer for several minutes with power off Visually check ink tank Yes No Is there ink Check if printing is being conducted with an empty ink tank END Replace ink tank 1 Replace BJ cartridge 2 Replace logic board 10 Head Temperature Error ...

Page 65: ...ing See Part 3 2 SERVICE MODE Page 3 8 Switch on with the cover open No Yes No OK Check auto sheet feeder unit Paper feed check Check if the pick up roller rotates and the ASF feeds paper normally Yes OK Check the operation of paper feed unit Check the paper feed motor pick up roller paper feed roller and eject roller for movement during initialization Pick up roller does not rotate during initial...

Page 66: ...ROM logic board Measure Part 4 TROUBLESHOOTING BJC 8200 4 12 Visually check if ink tanks are installed securely Yes No OK Visually check ink tanks Yes No Empty Are ink tanks empty Replace EEPROM Reinstall the ink tank s Replace ink tank s Replace the logic board 12 Ink Out Error ...

Page 67: ...nd for scanning the scanner cartridge is installed mis installed error occurs Check if the cartridge is locked securely with the lever Check the carriage ribbon cable for folds or other damage Check if the carriage ribbon cable is attached correctly Visually check if BJ cartridges are installed Yes No OK Remove install the cartridge Yes No END Is error still indicated Yes No END Is error still ind...

Page 68: ...ch on the printer Pressing the POWER button does not start initialization Cause Defective AC adapter logic board or DC cable Part 4 TROUBLESHOOTING BJC 8200 4 14 Check if AC adapter outputs 5 Vdc Yes No OK 5 Vdc GND Replace the AC adapter 1 Replace the logic board 2 Replace the DC cable 1 Power Does Not Turn On ...

Page 69: ...ation Print the nozzle check pattern Do print problems appear Yes No Do problems still occur END END Repeat these steps up to 5 times Yes No OK Visually check BJ cartridge Is the orange cap attached to the head unit Are ink tanks installed correctly Replace the purge unit 1 Replace the relevant ink tank s 2 Replace the BJ cartridge Repair or replace relevant parts See Part 3 1 5 2 Nozzle check pat...

Page 70: ...riage board is faulty Measure Part 4 TROUBLESHOOTING BJC 8200 4 16 No Cleaning operation Perform these steps up to 5 times Print the nozzle check pattern Reinstall the BJ cartridge Yes Do print problems appear END Yes Does problem still occur END No See Part 3 1 5 2 Nozzle check pattern printing page 3 6 To next page 3 Faulty Printing Blank Lines Appear ...

Page 71: ... cables connected to carriage board and logic board correctly Carriage contact cable failure Carriage ribbon cable failure Carriage board failure 2 Replace the logic board Replace the purge unit 1 Replace the relevant ink tank s 2 Replace the BJ cartridge Repair or replace relevant parts 1 Replace the carriage unit From previous page ...

Page 72: ... the BJ cartridge Apply specified amount of grease to specified portions Replace carriage motor with new one Replace encoder film Check to see if The platen is contaminated with ink mist The paper feed unit is contaminated with ink paper is contaminated before reaching the platen The tips of the spurs are deformed The paper thickness lever is wrongly set positioned incorrectly The printed nozzle c...

Page 73: ...G Yes No Does error still occur Turn the printer off then on in a location Pin No 2 3 1 2 Measurement point Normal value Ink sensor check Yes No OK END Turn the printer off then on Visual check Is the ink tank installed Is it displaced Reinstall the ink tank if displaced 1 3 Replace the logic board Replace the ink sensor Approx 1 2V Approx 0V Infinite resistance 5 Ink Out Resulting in No Error ...

Page 74: ...Part 4 TROUBLESHOOTING BJC 8200 4 20 This page intentionally left blank ...

Page 75: ...SITIONS AND PIN ASSIGNMENT 5 6 2 1 Logic Board 5 10 2 2 Carriage Board 5 13 2 3 BJ Cartridge 5 14 2 4 Scanner Cartridge 5 15 2 5 AC Adapter 5 15 2 6 DC Power Cable 5 16 2 7 Carriage Motor 5 16 2 8 Paper Feed Motor 5 16 2 9 Purge Motor 5 17 2 10 Ink Sensor 5 17 2 11 Paper Thickness Sensor 5 17 2 12 Purge Sensor 5 18 3 CIRCUIT DIAGRAM 5 18 3 1 Parts Layout 5 21 3 2 Circuit Diagrams Part 5 REFERENCE ...

Page 76: ......

Page 77: ... When paper is detected by the photo interrupter type paper end sensor it is fed to the print start position on the platen via the paper feed rollers Although paper has been fed by the pick up roller if it cannot be detected by the paper end sensor an auxiliary function of this printer reattempts feeding If the paper still cannot be detected a paper feed error will occur 5 1 BJC 8200 REFERENCE Par...

Page 78: ...etect the carriage s home position The encoder sensor mounted on the carriage board enables control of the carriage position by reading data from the encoder film assuming the initial position being where the carriage contacts the right hand interior wall of the printer Part 5 REFERENCE BJC 8200 5 2 Carriage Belt Encoder Film Carriage Carriage Motor Encoder Sensor Figure 5 2 Carriage Unit ...

Page 79: ...ed on for the first time after the AC plug is Approx 1 30 cc connected uncapped The number of dots printed has exceeded the predefined value Approx 0 56 cc When power is turned on or printing is started after 120 hours Approx 0 56 cc or more from the previous cleaning When cleaning is started by the RESUME button Approx 0 74 cc When the BJ cartridge is replaced including when the printer Approx 1 ...

Page 80: ... sets of 256 nozzles in 6 parallel lines Each set of nozzles consists of 2 rows of 128 nozzles 1 600 inch apart staggered creating a 1 1200 inch interval between nozzles Part 5 REFERENCE BJC 8200 5 4 1 1 600 inch 128 Nozzles 128 Nozzles 1 1200 inch Silicon Plate Silicon Plate Heater Heater Board Resin Heater Heater Board Heater Board Heater Resin Resin Common Ink Tank Figure 5 4 BJ Cartridge ...

Page 81: ...on With Sensors This printer detects conditions of the printer using the following sensors Cover Sensor Ink Sensor Purge Sensor Paper Thickness Sensor Encoder Sensor Internal Temperature Sensor TH1 ASF Sensor Paper End Sensor Figure 5 5 Sensor Positions ...

Page 82: ...C0 PES MPU P103 AN6 A1 21 D0 15 AN1 P86 A1 19 Cover Sensor HRANK0 1 DIODE0 1 BJ Cartridge AN2 Reset IC Control ROM D0 15 RESUME Switch Ink Sensor Driver IC Paper Feed Motor Paper End Sensor Encoder Internal Temperature Sensor TH1 HSEL1A0 1 HSEL1B0 1 HSEL2A0 1 HSEL2B0 1 P Cartridge Contacts RESX Logic Board Carriage Board ODD EVEN BENB0 1 HENB0K 5 SUBH0 1 H_RSTX H_LTH DIR ASF P PGS Purge Motor Scan...

Page 83: ... 20 DATA1 RET Signal Gnd Signal Gnd 21 DATA2 RET Signal Gnd Signal Gnd 22 DATA3 RET Signal Gnd Signal Gnd 23 DATA4 RET Signal Gnd Signal Gnd 24 DATA5 RET Signal Gnd Signal Gnd 25 DATA6 RET Signal Gnd Signal Gnd 26 DATA7 RET Signal Gnd Signal Gnd 27 DATA8 RET Signal Gnd Signal Gnd 28 ACKNLG RET Signal Gnd Signal Gnd 29 BUSY RET Signal Gnd Signal Gnd 30 P E RET Signal Gnd Signal Gnd 31 INIT INIT Rev...

Page 84: ...T IN Data signal for ML Scan in data bus 2 during scanning 17 HEMLC OUT Heat signal for MLC 18 HEKCL OUT Heat signal for KLC 19 BE1 OUT IN Block enable 1 Register write clock signal output during scanning 20 BE2 OUT IN Block enable 2 Register enable signal output during scanning 21 DATAK OUT IN Data signal for K Scan in data bus 0 during scanning 22 BG OUT Data latch signal Scan in data read trigg...

Page 85: ...G1 Purge motor connector Pin No Signal IN OUT Function 1 PGA OUT Purge motor phase A 2 PGB OUT Purge motor phase B 3 PGA OUT Purge motor phase A 4 PGB OUT Purge motor phase B JGAP1 Paper thickness sensor connector Pin No Signal IN OUT Function 1 GND 2 PGAP Paper Thickness switch output JINK1 Ink sensor connector Pin No Signal IN OUT Function 1 OUT Signal to drive photo sensor in the ink sensor 2 G...

Page 86: ...ng scanning 18 BE0 IN OUT Block enable 0 Reset signal output during scanning 19 BG IN Data latch signal Scan in data read trigger during scanning 20 DATAK IN OUT Data signal for K Scan in data bus 0 during scanning 21 BE2 IN OUT Block enable 2 Register enable signal output during scanning 22 BE1 IN OUT Block enable 1 Register write clock signal output during scanning 23 HEKCL IN Heat signal for KC...

Page 87: ...g scanning 36 HEMY IN Heat signal for MY 37 SOMY OUT Status output signal for MY 38 SOMLC OUT Status output signal for MLC 39 TOMLC OUT Digital temperature signal for MLC Scan in data bus 7 during scanning 40 TOKCL OUT Digital temperature signal for KCL Scan in data bus 6 during scanning 5 11 BJC 8200 Part 5 REFERENCE REFERENCE ...

Page 88: ... MLC Scan in data bus 7 during scanning 13 28 GND VH GND 29 DHE OUT Dummy heat enable signal 30 EEPWD OUT Head EEPROM write data 31 EEPRD IN Head EEPROM read data 32 36 HVDD 5V to drive head logic JHD2 BJ cartridge cable connector Pin No Signal IN OUT Function 1 DATACL IN OUT Data signal for CL Scan in data bus 1 during scanning 2 EEPSK OUT Head EEPROM transfer clock 3 SOKCL IN Status output signa...

Page 89: ... circuit voltage 25 SO3 OUT Fuse ROM data output M Y 28 BE0 IN Head block enable signal 29 BE3 IN Head block enable signal 30 SO1 OUT Fuse ROM data output K CL 32 VSSA Temperature sensor circuit voltage GND 33 SO2 OUT Fuse ROM data output ML C 34 DATAA3 IN Shift register data input for A chip M 35 HE3 IN Heat enable signal M Y 36 BE2 IN Head block enable signal 37 BE1 IN Head block enable signal 3...

Page 90: ...IN Internal register setting data 30 SID1 OUT Fuse ROM data output 33 SID2 OUT Fuse ROM data output 34 DT2 OUT Scan in image data output signal 35 N C Not used 36 REN IN Enable signal for setting internal register 37 RWR IN Write clock for setting internal register 38 N C Not used 39 DTCK OUT Scan in image serial data clock 41 N C Not used 42 DT1 OUT Scan in image data output signal 43 LNST IN Sca...

Page 91: ...VH on L VH off 8 VMON IN H VM on L VM off 2 6 DC Power Cable Pin No Signal IN OUT Function 1 VH 11V DC 2 GND 3 VM 24V DC 4 GND 5 VCC 5V DC 6 GND 7 VHON IN H VH on L VH off 8 VMON IN H VM on L VM off 5 15 BJC 8200 Part 5 REFERENCE REFERENCE 1 7 2 8 Figure 5 11 AC Adapter 8 2 7 1 1 8 Figure 5 12 DC Power Cable ...

Page 92: ... Paper feed motor phase B 3 LFA IN Paper feed motor phase A 4 LFB IN Paper feed motor phase B 2 9 Purge Motor Pin No Signal IN OUT Function 1 PGA IN Purge motor phase A 2 PGB IN Purge motor phase B 3 PGA IN Purge motor phase A 4 PGB IN Purge motor phase B Part 5 REFERENCE BJC 8200 5 16 1 2 Figure 5 13 Carriage Motor 1 4 Figure 5 14 Paper Feed Motor 1 4 Figure 5 15 Purge Motor ...

Page 93: ...lected light 2 11 Paper Thickness Sensor Pin No Signal IN OUT Function 1 GND 2 PGAP Head gap switch output 2 12 Purge Sensor Pin No Signal IN OUT Function 1 IN Sensor drive voltage 2 GND 3 PGS OUT Purge sensor output 5 17 BJC 8200 Part 5 REFERENCE REFERENCE 1 3 1 3 1 3 Figure 5 16 Ink Sensor 1 2 Figure 5 17 Paper Thickness Sensor 1 3 Figure 5 18 Purge Sensor ...

Page 94: ...3 CIRCUIT DIAGRAM 3 1 Parts Layout 3 1 1 Logic board Part 5 REFERENCE BJC 8200 5 18 Figure 5 19 Logic Board Top View ...

Page 95: ...5 19 BJC 8200 Part 5 REFERENCE REFERENCE Figure 5 20 Logic Board Bottom View ...

Page 96: ...3 1 2 Carriage board Part 5 REFERENCE BJC 8200 5 20 Figure 5 21 Carriage Board ...

Page 97: ...US15 ABUS16 ABUS17 ABUS18 ABUS19 5V VSS2 A29 A28 A27 A26 A25 A24 A23 A22 A21 A20 A19 A18 A17 A16 A15 A14 A13 A12 VCC3 AN1 AN2 AN3 AVSS P63 _ADTRG NMI P64 _INT0 P65 _INT1 P66 _INT2 P67 _INT3 VSS6 VCC6 P73 _RTS0 P74 _CST0 P75 _SCLKI0 P76 _RXD0 P77 _TXD0 P84 _HLDA P85 _HOLD VSS5 N0 AVREF AVCC P107 TB41 P106 TB40 P105 TB31 P104 TB30 P103 TB21 P102 TB20 P101 P100 P137 TB11 P136 TB10 P135 TB01 P134 TB00...

Page 98: ...19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 M66417 IC2 5 ABUS21 ABUS20 ABUS19 ABUS18 ABUS17 ABUS16 ABUS15 ABUS14 ABUS13 ABUS12 ABUS11 ABUS10 ABUS9 ABUS8 ABUS7 ABUS6 ABUS5 ABUS4 5V C...

Page 99: ... IC3 CS_ROMX RDX FB 1 2 FB39 BLM21P221SG 1 2 C14 0 1U 25V check 1 CP232 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 DBUS15 DBUS7 DBUS14 DBUS6 DBUS13 DBUS5 DBUS12 DBUS4 NC A8 A9 A10 A11 A12 A13 A14 A15 A16 VPP GND2 O15 O7 O14 O6 O13 O5 O12 O4 VCC 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 ABUS9 ABUS10 ABU...

Page 100: ... J2P 2 J4P 2 J4P 3 J4P 4 J4P 2 J4P 3 J4P 4 2 3 check 1 CP103 check 1 CP104 check 1 CP105 check 1 CP106 check 1 CP107 check 1 CP108 check 1 CP109 check 1 CP19 check 1 CP20 check 1 CP22 check 1 CP23 check 1 CP24 check 1 CP25 check 1 CP26 check 1 CP265 check 1 CP264 check 1 CP110 check 1 CP263 check 1 check 1 CP259 check 1 CP260 check 1 CP17 check 1 CP13 check 1 CP14 check 1 CP15 check 1 CP16 check 1...

Page 101: ...P286 check 1CP274 check 1CP287 check 1CP279 check 1CP283 check 1CP284 check 1CP271 check 1CP272 check 1CP273 check 1CP270 check 1 CP269 check 1 CP275 check 1 CP276 check 1 CP278 check 1 CP280 check 1 CP281 check 1 CP277 check 1 CP282 2 2 2 2 2 2 2 2 2 2 VH 5 1 DA14 FTZ6 8E 5V JCRB2 J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P 1 2 3 4 5 6 7 8 9...

Page 102: ... check 1 CP347 check 1 CP88 check 1 CP89 check 1 J3P J3P J3P 1 2 3 1 2 C49 100P 50V 1 2 1 2 check 1 CP86 5V 2 1 3 Q3 DTA113ZKA SENSONX ASFS 1 2 220 1 10W R78 3 2 4 1 Q22 TLP832 R77 22K 1 16 C36 check 1 CP309 check 1 CP308 100P 50V 1 2 5V 1 2 1 2 C46 0 01U 50V PGAP C51 100P 50V 1 2 3 4 1 2 3 4 check 1 CP102 5V KSH0636AT 5V SW1 KSH0636AT R79 22K 1 16 1 2 C37 0 01U 50V check 1 CP101 1 2 1 2 R80 22K 1...

Page 103: ...6P J36P J36P J36P J36P J36P J36P J36P J36P J36P J36P J36P J36P J36P J36P J36P J36P J36P J36P J36P J36P J36P J36P 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 JHD2 CS SK HCLK HEAD_SEN BE1 HEKCL BE3 BE0 DATAK TOKCL VH J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P J20P 20 19 18 17 16 15 14 13 12 11 ...

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Page 105: ...PRINTED IN JAPAN IMPRIME AU JAPON CANON INC This document is printed on 100 recycled paper ...

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