Canon i550 Service Manual
  1. Manuals
  2. Brands
  3. Canon Manuals
  4. Printer
  5. i550
  6. Service manual
Canon i550 Service Manual

Canon i550 Service Manual

Hide thumbs Also See for i550:
Table of Contents

Advertisement

Quick Links

See also: User Manual
i550 / i850 / i950

Service Manual

Revision 0
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
Ã
QY8-1385-000
COPYRIGHT © 2002 CANON INC. CANON i550/i850/i950 0902 GR

Advertisement

Table of Contents
loading

Related Manuals for Canon i550

Summary of Contents for Canon i550

  • Page 1: Service Manual

    Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã QY8-1385-000 COPYRIGHT © 2002 CANON INC. CANON i550/i850/i950 0902 GR...
  • Page 2 Tp‚ƒrà This manual has been issued by Canon Inc. to provide the service technicians of this product with the information necessary for qualified persons to learn technical theory, maintenance, and repair of products. This manual covers information applicable in all localities where this product is sold. For this reason, this manual may contain information that is not applicable to your locality.
  • Page 3 I. Manual Outline This manual is divided into the following three parts to provide information necessary to service the i550, i850, and i950. Part 1: Maintenance This part describes information necessary 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.

  • Page 4: Table Of Contents

    II. Table of Contents Part 1: Maintenance Page 1 - 1 1. Periodic Replacement/Periodic Inspection/Life 1 - 2 2. Troubleshooting List by Error/Symptom 1 - 5 3. Repair Details 1 - 5 3.1 Precautions 1 - 5 3.1.1 Precautions regarding ink stains 1 - 5 3.1.2 Precautions when releasing the carriage lock 1 - 5...

  • Page 5: Part 1: Maintenance

    3DUW  Maintenance...

  • Page 6: Periodic Replacement/Periodic Inspection/Life

    1. Periodic Replacement/Periodic Inspection/Life <Periodic replacement> Level Periodic replacement User None Service personnel None <Periodic inspection> Ã Level Periodic inspection User None Service personnel None <Life> (1) Paper feed count: - Main body - <i550 / i850> 30,000 sheets (monochrome, 1,500 character standard text pattern printing) 10,000 sheets (printing each color at 7.5% duty) <i950>...

  • Page 10: Repair Details

    3. Repair Details 3.1 Precautions 3.1.1 Precautions regarding ink stains Be careful not to touch the ink path and stain the printer, work bench, hand, or clothes with ink during repair. 3.1.2 Precautions when releasing the carriage lock The carriage locks at the capping position when the power is turned off normally, with the cartridge installed in the carriage.

  • Page 11: Do Not Loosen Or Remove Red Screws

    3.1.5 Do not loosen or remove red screws Do not loosen or remove the red screws below because they cannot be adjusted in the field. (a) Head gap adjustment 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.

  • Page 12: Adjustments

    3.2 Adjustments 3.2.1 Waste ink counter setting (1) When replacing the logic board, replace the waste ink absorber, depending on the value of the waste ink counter. Use the following table as a guide to replacement. Uhiyrà #ÃXh†‡rÃDxÃ6i†‚…ir…ÃSrƒyhpr€r‡ÃUv€vtÃhqÃXh†‡rÃDxÃ8‚ˆ‡r…ÃTr‡‡vtà Waste ink counter setting i550 / i850 / i950 0 - 7 Clear waste ink counter...

  • Page 13: Applying Grease (Oil)

    3.2.3 Applying grease (oil) After disassembly/assembly, apply special tool grease at the locations shown below. Apply a thin layer of grease using a flat brush. Do not apply (100mm max) Figure 1-4 Applying Grease i550 / i850 Location Grease/Oil name Amount 1.

  • Page 14: Settings

    3.3 Settings 3.3.1 Standalone printer operation This printer has an offline mode which allows the printer operation without connection to a computer. With the printer powered ON, press and hold the Resume button until the green indicator flashes the specified number of times to start each operation, and then release the Resume button to execute the function.
  • Page 15 <i950 Service Mode> Count Function Remark Green Power off When there is no head, the carriage returns to the home position and locks Orange Service test print Green EEPROM information print Orange EEPROM initialization Destination becomes overseas during EEPROM initialization Green Waste ink counter Clear waste ink counter (see 3.2.1 Waste ink counter...

  • Page 16: Test Print Sample

    3.3.3 Test print sample (1) i550 Test print sample Figure 1-5 Service Test Print Sample (i550) 1 - 11...
  • Page 17 (1) i850 Test print sample Figure 1-6 Service Test Print Sample (i850) 1 - 12...
  • Page 18 (1) i950 Test print sample Figure 1-7 Service Test Print Sample (i950) 1 - 13...

  • Page 19: Printing Eeprom Information

    3.3.4 Printing EEPROM information EEPROM print prints the content of the printer internal EEPROM and the EEPROM in the print head. The resulting output can be used to check the printer settings and data. <i550 / i850> [Print Example] i550 V0.01 D=000.0 Page=00000 CH=00000 Bk(00) Cl(+2) Head TempBK=18.5 Head TempC=17.5 Env Temp=30.0 FF(3F 3F 3F) PC(M=0000 R=0000 T=0000 D=0000 C=0000) Bk=00000 C=00000 M=00000 Y=00000 WP=0000 IC(BK=0 C=0 M=1 Y=0) CT(BK=00000 Y=00000 M=00000 C=00000)

  • Page 20: Verification

    3.4 Verification (1) Print the nozzle check pattern when replacing the print head, sheet feeder unit, purge unit, or carriage unit. (2) Check the connection with PC and print the nozzle check pattern when replacing the PCB. 4. Printer Transportation Method This section describes the procedures for transporting the printer (for example, when returning after repair).

  • Page 21: Part 2: Technical Reference

    3DUW  Technical Reference...

  • Page 22: New Technologies

    1. New Technologies ASF features Torque limiter retard roller method - Retard separation method - Stacking limit: 150 sheets (SK paper) [Single feed] [Separate] Feed roller - Stacking height: 13mm - Paper feed roller diameter: 20 round roller (through axis type) - Separation roller diameter: 14 - Separation roller retracts after paper feed - Return claw structure...

  • Page 23: Cleaning Mode And Suction Amount

    2. Cleaning Mode and Suction Amount Print head cleaning is performed effectively and efficiently depending on conditions in order to prevent print errors caused by bubble, dust, or ink clogging. Cleaning is performed before starting to print except at the following timing: Dot count suction: Performed after paper ejection Manual cleaning/refreshing: Performed during operation Unit delivery: Performed when access cover is closed...

  • Page 24: Print Mode List

    3. Print Mode List à Table 2-3 Print Mode List (i550) Paper type Quality 5 Quality 4 Quality 3 Quality 2 Quality 1 Ã!Ãh††r†Ã Plain paper Passes 1 pass 1, 4 passes 4 passes Qvtà Pig/YMC %‘%à Resolution 300x300 600x600 600x600 T‡hqh…q Print quality...
  • Page 25 Table 2-4 Print Mode List (i850) Paper type Quality 5 Quality 4 Quality 3 Quality 2 Quality 1 Ãh††Ã Plain paper Passes 1 pass 1, 4 passes 4 passes Qvtà Pig/YMC %‘%à Resolution 600x600 600x600 600x600 T‡hqh…q Print quality Fast - - - High #Ãh††r†Ã...
  • Page 26 Table 2-5 Print Mode List (i950) Paper type Quality 5 Quality 4 Quality 3 Quality 2 Quality 1 !Ãh††r†Ã Plain paper Passes 1 pass 8 passes #Ãp‚y‚…†Ã Post card Number of 4 colors 6 colors !#‘ !à Envelope colors 1200x1200 2400x1200 T‡hqh…q Resolution...

  • Page 28: Part 3: Appendix

    3DUW  Appendix...

  • Page 29: Block Diagram

    1. Block Diagram i550 Block Diagram IC111 MAIN PWB ASIC CN506 < KOUMEI > X101 48MHz Sensor SSCG Serial CR PWB CN201 CN01 SW401 Temp Power Sensor Button Q222 SW402 IC211 Resume Button Sensor SW403 IC471 Door HEAD Unit EEPROM Sensor 2Kbit CN202...
  • Page 30 i950 Block Diagram  USB 2.0 USB 2.0 Chip Clock Chip MASKROM 16Mbit  MPU   Clock ASIC HEAD Power Button Photo Sensor Resume Button Door Sensor EEPROM 2Kbit From Ink Sensor Auto Sheet Feed Sensor  Paper End Motor Motor IC Sensor...

  • Page 31: Connector Locations And Pin Layout

    2. Connector Locations and Pin Layout 2.1 i550 Connector Location and Pin Layout 2.1.1 Logic board CN301 CN504 CN507 CN501 CN503 CN302 CN502 Figure 3-1 Logic Board CN505 CN506 CN201 (Carriage ribbon cable connector) Pin No. Signal Name Function DIODE_GND BK/COL diode sensor cathode DIA1 COL diode sensor anode...
  • Page 32 CN301 (USB interface connector) Pin No. Signal Name Function USB_VBI Cable power supply USB_DN Differential data signal USB_DP Differential data signal CN302 (Parallel interface connector) Pin No. Compatible mode Nibble mode ECP mode STROBE HOST CLK HOST CLK 2 - 9 DATA1 - 8 DATA1 - 8 DATA1 - 8...
  • Page 33 CN502 (Purge motor connector) Pin No. Signal Name Function PG motor phase A PG motor phase B PGAN PG motor phase A PGBN PG motor phase B CN503 (ASF motor connector) Pin No. Signal Name Function ASFA ASF motor phase A ASFB ASF motor phase B ASFAN...
  • Page 34 2.1.2 Carriage board CN02 CN01 Figure 3-2 Carriage Board CN01 (Carriage ribbon 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...
  • Page 35 2.1.3 Print head Figure 3-3 Print Head Pin No. Signal Name Function 1 ,2 A_GND GND (black heater drive voltage) H_D2 Cyan even column nozzle data signal H_D6 Yellow even column nozzle data signal 5, 14, 22 6, 7, 8 B_GND GND (color heater drive voltage) DIK0...

  • Page 36: I850 Connector Locations And Pin Layout

    2.2 i850 Connector Location and Pin Layout 2.2.1 Logic board CN508 CN503 CN305 CN501 Â Â Â CN506 CN304 CN505 CN421 Figure 3-4 Logic Board CN402 CN502 CN201 (Carriage ribbon cable connector) Pin No. Signal Name Function 1 - 10 24V head power supply 11 - 13 HVDD...
  • Page 37 CN402 (Ink sensor connector) Pin No. Signal Name Function Remaining ink sensor side power supply INKS Remaining ink sensor output CN421 (ASF sensor connector) Pin No. Signal Name Function ASF sensor illuminating side power SNS_ASF ASF sensor output CN501 (DC power supply connector) Pin No.
  • Page 38 CN508 (Purge sensor connector) Pin No. Signal Name Function PG sensor illuminating side power supply SNS_PG PG sensor output 2.2.2 Carriage board Figure 3-5 Carriage Board J1 (Carriage 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)
  • Page 39 2.2.3 Print head Figure 3-6 Print Head Pin No. Signal Name Function 1, 2 A_GNDH GND (black heater drive voltage) B_DATA_C1 Cyan even column nozzle data signal B_DATA_Y1 Yellow even column nozzle data signal 5, 14, 22 6, 7, 8 B_GNDH GND (color heater drive voltage) B_DATA_C3...

  • Page 40: I950 Connector Locations And Pin Layout

    2.3 i950 Connector Location and Pin Layout 2.3.1 Logic board JPGS1 JCRM JPOW1 JPGM1 JUSB1 JASFM1 JASFS1 JUSB2 JINK1 JLFENC1 Figure 3-7 Logic Board JCR1 (Carriage ribbon cable connector) Pin No. Signal Name Function AD_TH Not used CRENCA Encoder signal phase A EVDD Sensor power supply CRENCB...
  • Page 41 JCR3 (Carriage ribbon cable connector) Pin No. Signal Name Function 1 - 8 HEYX Y heat enable HELMX LM heat enable HEMX M heat enable DATAM M data TSOLMN LM, M status output 14 - 20 JPOW1 (DC power supply connector) Pin No.
  • Page 42 JLFENC1 (Paper feed motor/LF encoder connector) Pin No. Signal Name Function LF motor phase A LF motor phase B LF_ENCA Encoder signal phase A EVDD Sensor power supply LF_ENCB Encoder signal phase B JUSB2 (USB interface connector) Pin No. Signal Name Function USB_VBI Cable power supply...
  • Page 43 2.3.3 Print head à Figure 3-9 Print Head Pin No. Signal Name Function 1, 2, 8 - 13 GNDH Head GND 19, 20 GNDH Head GND DATAC CDATA DATALC LCDATA DATALK LKDATA DATAY YDATA DATALM LMDATA TSOCLC C, LC status output Transfer clock clutch signal HDSEN Head sensor signal...
  • Page 44 2.4 i550 / i850 Printer Specifications <Printer Specifications> Type Desktop serial color bubble jet printer Paper feeding method Auto sheet feed (no manual sheet feed) Resolution (Max.) i550: 2400dpi x 1200dpi / i850: 4,800 dpi x 1,200 dpi i550 HS mode HQ mode i850 HS mode HQ mode...
  • Page 45 i950 Printer Specifications <Printer Specifications> Ã Type Desktop-type serial printer Paper feeding method Auto sheet feed Resolution 4,800 x 1,200 dpi (max.) Throughput speed (Target value) Bk (Fast Gear) 7 ppm 4 ppm Color (Fast Gear) 7 ppm 4 ppm Photo 1 ppm Printing direction...
  • Page 46 86IPIÃDI8 3 - 18...

This manual is also suitable for:

I850I950

Table of Contents