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i550 / i850 / i950
Service Manual

Revision 0

QY8-1385-000

COPYRIGHT © 2002 CANON INC. CANON i550/i850/i950 0902 GR

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Summary of Contents for i550

Page 1: ...i550 i850 i950 Service Manual Revision 0 QY8 1385 000 COPYRIGHT 2002 CANON INC CANON i550 i850 i950 0902 GR ...

Page 2: ...hnical information as the need arises When substantial changes are made to the contents of this manual over a long or short period Canon will issue a revised edition of this manual The following do not apply if they do not conform to the laws or regulations of the country where this manual or product is used 7UDGHPDUNV Product and brand names appearing in this manual are registered trademarks or t...

Page 3: ...ary for troubleshooting the i550 i850 and i950 Part 2 Technical Reference This part provides description of new technologies etc used in the i550 i850 and i950 Part 3 Appendix This part contains block diagrams pin layouts and product specification lists Reference This manual does not provide sufficient information for disassembly and assembly Refer to the figures in the separate parts catalogue ...

Page 4: ...3 2 1 Waste ink counter setting 1 7 3 2 2 Resetting EEPROM 1 8 3 2 3 Applying grease oil 1 9 3 3 Settings 1 9 3 3 1 Standalone printer operation 1 9 3 3 2 Service mode functions 1 11 3 3 3 Test print sample 1 14 3 3 4 Printing EEPROM information 1 15 3 4 Verification 1 15 4 Printer Transportation Method Page Part 2 Technical Reference 2 1 1 New Technologies 2 2 2 Cleaning Mode and Suction Amount 2...

Page 5: ...3DUW Maintenance ...

Page 6: ...uty i950 10 000 sheets Pattern printing each color at 7 5 duty 2 5 years The life of this product is 1 or 2 above which ever comes first Print head life i550 i850 30 000 sheets monochrome printing 1 500 character standard text pattern printing 10 000 sheets color printing pattern printing each color at 7 5 duty i950 9 000 sheets Pattern printing each color at 7 5 duty BK Y M C 5 000 sheets 1 500 c...

Page 7: ...e off when removing paper 4 1601 1611 1612 1613 1634 1 1635 1 No ink error Replace and set ink tank s Be careful of ink stains 6 1401 No cartridge error Install head or replace head logic board carriage Be careful of ink stains Be careful of electrostatic damage Set waste ink counter see 3 2 1 1 Set destination see 3 3 2 7 1403 1405 1485 1 Cartridge error Replace head carriage logic board Be caref...

Page 8: ...trostatic damage Set waste ink counter see 3 2 1 2 Set destination see 3 3 2 7 5B00 Waste ink full error Replace waste ink absorber logic board Be careful of ink stains Be careful of electrostatic damage Do not loosen or remove red screws Clear EEPROM see 3 2 2 Set waste ink counter see 3 2 1 2 Set destination see 3 3 2 8 5200 Head overheating error Replace head logic board Be careful of ink stain...

Page 9: ...tion Does not print at all no color Replace print head ink tank logic board purge unit Be careful of ink stains Be careful of electrostatic damage Set waste ink counter see 3 2 1 1 Set destination see 3 3 2 Scratches or white streaks appear even after cleaning Lines not in data printed Remove install print head or replace print head ink tank purge unit carriage unit Be careful of ink stains Do not...

Page 10: ...emoved mold scrap may adhere to the screw threads which can damage the mold side threads when the tap screw is re fastened Therefore remove the mold scraps adhered to the screw or use a new screw when re installing 3 1 4 Code strip handling precautions 1 Do not apply grease to the code strip If grease contacts the code strip the code strip slits may become unreadable causing errors If grease conta...

Page 11: ...red screw x 2 one on each side b Paper feed motor anchor screw x 2 Figure 1 3 Do Not Loosen or Remove Red Screws 3 1 6 Logic board removal precautions The Logic Board can be damaged due to short circuiting during removal When removing the Logic Board unplug the power cord and allow the unit to sit for approximately 1 minute to discharge the capacitor E D D ...

Page 12: ...unter Clear waste ink counter and replace waste ink absorber Print the EEPROM information in service mode to check the waste ink count 2 PIXUS 950i waste ink counter clearing method After selecting the waste ink counter setting via the service mode function for details refer to 3 3 2 press the Power button Then without pressing the Resume button press the Power button once again 3 2 2 Resetting EE...

Page 13: ...ease i550 i850 Location Grease Oil name Amount 1 Carriage shaft circumference 2 CR slider selector lever sliding surface Floil KG107A Floil KG107A 200 400mg 27 5 7 5 mg i950 Location Grease Oil name Amount 1 Carriage shaft circumference 2 CR slider selector lever sliding surface 3 Carriage oil pad 1 EU 1 Floil KG107A EU 1 80 30 mg 27 5 7 5 mg 100 10 mg Do not apply 2 100mm max 3 1 ...

Page 14: ... Resume button press the Resume button again twice and then release the Resume button and Power button 3 The green indicator flashes during initialization When the indicator stops flashing and remains on press the Resume button the specified number of times to select the function The indicator toggles between orange and green each time the Resume button is pressed 4 After selecting the function pr...

Page 15: ...aste ink counter setting 5 Orange Destination setting After selecting a function press the Resume button 0 Domestic 1 Overseas 6 Green Default registration adjustment pattern Not used for service 7 Orange Default registration adjustment setting Not used for service 8 Green Roller cleaning ASF paper feed roller cleaning rotate ASF 10 times 9 Orange Not used for service 10 Green Not used for service...

Page 16: ...1 11 3 3 3 Test print sample 1 i550 Test print sample Figure 1 5 Service Test Print Sample i550 ...

Page 17: ...1 12 1 i850 Test print sample Figure 1 6 Service Test Print Sample i850 ...

Page 18: ...1 13 1 i950 Test print sample Figure 1 7 Service Test Print Sample i950 ...

Page 19: ...8 CDR compensation 1 19 Installed date 20 Power on count hard soft 21 Connection I F USB1284 22 Borderless printing count 23 Paper pass count all plain paper high resolution paper glossy photo paper matte photo paper photo paper plus glossy post card others Print Example i950 V0 01 S N 000000 BK 1 D 000 00 FA 3F 3F 3F CDR 000 000 1 CH 0000 CT C 0000 CL 0000 K 0000 Y 0000 ML 0000 M 0000 Page 0000 E...

Page 20: ...e 2 Turn off the power and ensure that it is properly capped at home position If the print head is left alone by itself the ink may solidify Therefore keep the print head with ink tank in the carriage even when transporting Also secure the carriage at home position to prevent it from moving and applying stress to the encoder film during transportation If the print head must be transported by itsel...

Page 21: ...3DUW Technical Reference ...

Page 22: ...ts after paper feed Return claw structure Reduced noise Reduced paper curl Reduced double feed May skew easily as the pickup roller is only on one side The sheet feeder unit pressure plate is easily deformed during storage because the pressure plate spring is only on one side Separation roller rubber wears easily Torque limiter retard roller method Separate Single feed Torque limiter retard roller...

Page 23: ...ead is removed installed 0 45 1 08 When replacing ink tank Ink sensor detects that ink is present in the ink tank That is the state changed from no ink in the ink tank 1 58 0 72 At delivery or during first head position adjustment Suction when head is first installed after factory shipment 0 45 1 08 Uncapped when Soft ON When capping was not performed properly during last power off 0 30 0 72 Table...

Page 24: ...h 12 passes YMC 2400x1200 Ink jet Post card Envelope Passes Pig YMC Resolution Print quality SDVVHV 0 0 6WDQGDUG 4 passes YMC 1200x1200 High Post card Passes Pig YMC Resolution Print quality SDVVHV 3LJ 0 0 6WDQGDUG 6 passes Pig YMC BK 600x600 CL 1200x1200 High Glossy film HG 201 Passes Pig YMC Resolution Print quality SDVVHV 0 6WDQGDUG 6 passes YMC 1200x1200 High T shirt transfer paper TR 201 Pass...

Page 25: ...asses YMC 2400x1200 Ink jet Post card Passes Pig YMC Resolution Print quality SDVVHV 0 6WDQGDUG 4 passes YMC BK 600x600 CL 1200x1200 High Post card Passes Pig YMC Resolution Print quality SDVVHV 3LJ 0 6WDQGDUG 4 passes Pig YMC BK 600x600 CL 1200x1200 High Glossy film HG 201 Passes Pig YMC Resolution Print quality SDVVHV 0 6WDQGDUG 6 passes YMC 1200x1200 High T shirt transfer paper TR 201 Passes Pi...

Page 26: ...g YMC Resolution Print quality 4 passes 6 colors 2400x1200 Fast SDVVHV FRORUV LJK Ink jet Post card Passes Pig YMC Resolution Print quality SDVVHV FRORUV 6WDQGDUG 4 passes 6 colors 2400x1200 High 8 passes 6 colors 4800x1200 Glossy film HG 201 Passes Pig YMC Resolution Print quality SDVVHV FRORUV LJK T shirt transfer paper TR 201 Passes Pig YMC Resolution Print quality SDVVHV FRORUV 6WDQGDUG OHP fi...

Page 27: ...int Media Photo Paper Pro PR 101 Head friction when printing on banner paper All models Banner paper is folded at the tip of the ejection tray causing it to buckle affecting paper at the print area resulting in head friction Change specification and description in user manual to perform banner printing with the ejection tray stored Refer to User s Guide Print Media Banner Paper Ink mist All models...

Page 28: ...3DUW Appendix ...

Page 29: ...ASF Motor PG Motor HEAD Unit CR PWB CN201 CN202 CN02 CN507 CN504 CN505 CN503 CN502 ASF PG Motor Driver IC511 Tr Tr Power Unit 5v 19v 27v Vcc VH VM Vcc VH VM 2 5v 3 3v Resume 48MHz Q222 VH 3 6MHz 5MHz HEAD Unit UART Power Button Resume Button Door Sensor IEEE1284 I F SSCG CPU Block IP Block MASKROM 8Mbit SDRAM 64Mbit 2Color LED MAIN PCB USB I F REG in DC Dri 48MHz Ink Sensor AMP EEPROM 2Kbit CD Mot...

Page 30: ...D ASF Motor PG Motor CR Motor LF Motor Motor IC Lift Up Motor MPU Clock Power Button Resume Button Door Sensor From Ink Sensor Auto Sheet Feed Sensor Paper End Sensor Photo Sensor BJ HEAD SW R Motor IC USB 2 0 Chip USB I F USB 2 0 Chip Clock Voltage Regulator Voltage Regulator ...

Page 31: ...power supply Head COL GND Head BK GND CN202 Carriage ribbon cable connector Pin No Signal Name Function 1 2 3 5 9 18 22 24 4 6 7 8 10 11 12 13 14 15 16 17 19 20 21 23 25 VSEN_3 3V CR_ENC0 L_GND CR_ENC1 H_ENB0 H_ENB1 H_ENB2 H_D0 H_D1 H_D2 H_D3 H_D4 H_D5 H_D6 H_D7 H_EEPROM_DIO H_EEPROM_SK H_EEPROM_CS H_CLK H_LATCH 3 3 V power supply for encoder Encoder signal phase A Logic GND Encoder signal phase B...

Page 32: ...CK DATA REQ XFLAG HOST BUSY Undefined GND VCC SIGNAL GND SIGNAL GND SIGNAL GND SIGNAL GND SIGNAL GND SIGNAL GND SIGNAL GND SIGNAL GND SIGNAL GND SIGNAL GND SIGNAL GND SIGNAL GND INIT DATA AVAIL Undefined Undefined Undefined 1284 ACTIVE HOST CLK DATA1 8 PRT CLK PRT BUSY ACK DATA REQ XFLAG HOST BUSY Undefined GND VCC SIGNAL GND SIGNAL GND SIGNAL GND SIGNAL GND SIGNAL GND SIGNAL GND SIGNAL GND SIGNAL...

Page 33: ... Function 1 2 CRA CRB CR motor phase A CR motor phase B CN505 Paper feed motor LF encoder connector Pin No Signal Name Function 1 2 3 4 5 6 LFA LFB GND LF_ENC0 VSEN_3 3V LF_ENC1 LF motor phase A LF motor phase B GND LF encoder signal phase A 3 3 V power supply for encoder LF encoder signal phase B CN506 Ink sensor connector Pin No Signal Name Function 1 2 3 INK_5V GND INKS INK sensor power supply ...

Page 34: ... cable connector See Page 3 3 CN201 Carriage ribbon cable connector CN02 Carriage ribbon cable connector See Page 3 3 CN202 Carriage ribbon cable connector CN03 Print head contact Pin No Signal Name Function 1 39 See page 3 7 Print head pin description 1 8 40 33 CN01 CN02 ...

Page 35: ... data signal Color nozzle heat enable signal even odd column odd no block Magenta odd column nozzle data signal Head temperature sensor diode cathode side color Black even column nozzle data signal Black nozzle heat enable signal Data latch enable signal Color sub heater drive signal Yellow odd column nozzle data signal Color nozzle heat enable signal even odd column even no block Black odd column...

Page 36: ..._CDR_P H_GND Diode sensor anode Logic GND Thermistor 3 3V sensor power supply Encoder signal phase A Encoder signal phase B CDR sensor signal Head GND CN203 Carriage ribbon cable connector Pin No Signal Name Function 1 8 9 12 13 14 15 16 19 17 18 20 H_D0 D7 H_DS0 DS3 H_EEPROM_DIO H_EEPROM_SK H_EEPROM_CS GND H_CLK H_LATCH1 DIA1 Heat data Heat data EEPROM data EEPROM clock EEPROM chip select Logic g...

Page 37: ... encoder connector Pin No Signal Name Function 1 2 3 4 5 6 LFA LFB GND LF_ENCA VSEN_3 3V LF_ENCB LF motor phase A LF motor phase B GND LF encoder signal phase A 3 3 V power for encoder LF encoder signal phase B CN503 Carriage motor connector Pin No Signal Name Function 1 2 CRA CRB Carriage motor phase A Carriage motor phase B CN505 ASF motor connector Pin No Signal Name Function 1 2 3 4 ASFA ASFB ...

Page 38: ...ge ribbon cable connector See page 3 8 CN201 Carriage ribbon cable connector pin description J2 Carriage ribbon cable connector See page 3 8 CN202 Carriage ribbon cable connector pin description J3 Carriage ribbon cable connector See page 3 8 CN203 Carriage ribbon cable connector pin description J4 Print head Pin No Signal Name Function 1 40 See page 3 11 Print head pin description J2 J3 J1 36 1 4...

Page 39: ...l Color nozzle heat enable signal even odd column odd no block Magenta 2pl even column nozzle data signal Magenta odd column nozzle data signal Head temperature sensor diode cathode side color Black even column nozzle data signal Black nozzle heat enable signal 2pl heat enable Data latch enable signal Cyan 2pl even column nozzle data signal Yellow odd column nozzle data signal Color nozzle heat en...

Page 40: ...er supply Encoder signal phase B GND CDR sensor signal GND Head transfer clock GND K data Dummy heater enable Head EEPROM clock Transfer clock clutch signal LC data Head EEPROM chip select C LC status output C heat enable C data LC heat enable K heat enable JCR2 Carriage ribbon cable connector Pin No Signal Name Function 1 6 7 8 9 10 11 12 14 15 20 GND DATALM TSOKY DATAY HDSEN HEEP_DI HVDD VH GND ...

Page 41: ...unction 1 2 3 POW GND SNS_PG Power supply GND PG sensor output JINK1 Ink sensor connector Pin No Signal Name Function 1 2 3 POW GND AD_INK Power supply GND Remaining ink sensor output JASFM1 ASF motor connector Pin No Signal Name Function 1 2 3 4 ASFA ASFB ASFA ASFB ASF motor phase A ASF motor phase B ASF motor phase A ASF motor phase B JPGM1 Purge motor connector Pin No Signal Name Function 1 2 3...

Page 42: ... JCRM1 Carriage motor connector Pin No Signal Name Function 1 2 CRA CRB CR motor phase A CR motor phase B 2 3 2 Carriage board Figure 3 8 Carriage Board JCRB1 Carriage ribbon cable connector See page 3 12 JCR1 Carriage ribbon cable connector pin description JCRB2 Carriage ribbon cable connector See page 3 12 JCR2 Carriage ribbon cable connector pin description JCRB3 Carriage ribbon cable connector...

Page 43: ...MC TSOLMM E_CS E_SK E_DI E_DO VHT Head GND Head GND CDATA LCDATA LKDATA YDATA LMDATA C LC status output Transfer clock clutch signal Head sensor signal Head transfer clock MDATA LK heat enable LC heat enable C heat enable Logic 3 3V GND M heat enable LM heat enable Y heat enable 16V head power supply 16V head power supply Logic 3 3V Dummy nozzle drive signal LM C status output LM M status output H...

Page 44: ...n Power supply Input voltage Frequency Power consumption Standby Power off i550 AC 100 to 127V 50 60Hz Approx 24W max Approx 0 7W Approx 0 3W AC 220 to 240V 50 60Hz Approx 24W max Approx 0 7W Approx 0 3W i850 AC 100 to 127V 50 60Hz Approx 24W max Approx 0 7W Approx 0 4W AC 220 to 240V 50 60Hz Approx 24W max Approx 0 7W Approx 0 4W External dimensions Approx 418 mm W x 274 mm D x 159 mm H Weight Ap...

Page 45: ...n Temperature 0o C to 40o C 32o Fto 104o F Humidity 5 to 95 no condensation Power supply Power voltage Frequency Power consumption Stand by Power off AC100V 127V 50 60Hz Approx 24W max Approx 2W Approx 1W AC220V 240V 50Hz Approx 24W max Approx 2W Approx 1W External dimensions 418 W x 274 D x 160 H mm Weight 5 0 kg excluding the print head Related standards RFI VCCI FCC IC CE Mark Taiwan EMC CCIB C...

Page 46: ...3 18 121 1 ...

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