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Canon 1120 Service Manual
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Canon 1120 Service Manual

Canon 1120 Service Manual

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COLOR LASER COPIER
1120/1130/1150
REVSION 0
MAR. 1999
COPYRIGHT © 1999 CANON INC.
FY8-13G3-000
CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)

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Summary of Contents for Canon 1120

  • Page 1 COLOR LASER COPIER 1120/1130/1150 REVSION 0 FY8-13G3-000 MAR. 1999 COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 2 IMPORTANT THIS DOCUMENTATION IS PUBLISHED BY CANON INC., JAPAN, TO SERVE AS A SOURCE OF REFERENCE FOR WORK IN THE FIELD. SPECIFICATIONS AND OTHER INFORMATION CONTAINED HEREIN MAY VARY SLIGHTLY FROM ACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND OTHER PRINTED MATTER.
  • Page 3 It also explains the timing at which the various units involved are operated, and shows how they may be disassembled/ assembled and adjusted. COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 4 All service persons are expected to have a good understanding of the contents of this Service Manual and all relevant Service Information bulletins and be able to identify and isolate faults in the machine. COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 5 The figures above represents the CLC1150; however, the CLC1120/1130 may be configure in the same way. CLC1120: 2-cassette model CLC1130: 3-cassette model CLC1150: 2-cassette model with a duplexing unit. COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 7 (copying) ........2-6 1. Outline ......2-12 C. Generating the Image Leading C. Inputs to and Outputs from the Edge Signal ......2-7 Major PCBs ......2-14 COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 8 E. Original Position Detection O. Anti-Counterfeit Circuit ........4-8 Mechanism ......4-14 F. Black Detection Circuit and 1. Counterfeit Tracing Edge/Line Width Mechanism ....4-14 Detection Circuit .....4-9 COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 9 5. Setting the Grid Bias and 1. Operation ...... 6-18 the Developing Bias ..6-12 2. When Controlling the M Developing Bias .... 6-19 COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 10 (patch detection) ... 6-36 Assemblies ......6-65 4. Detecting Dirt on the 1. Construction of the Y/M/C Window ......6-38 Developing Assembly..6-65 viii COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 11 B. Lifter Movement .....7-9 Cassettes ...... 7-12 1. Outline ......7-9 4. Paper Width Basic 2. Detecting the Presence/ Value ......7-13 Absence of Paper..7-10 COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 12 1. Outline ......7-41 Roller ......7-64 2. External Brush ....7-42 3. Remove the Duplexing 3. Polishing Roller ..... 7-42 Feed Assembly ..... 7-65 COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 13 Registration Roller ..7-81 (CLC1120/1130 only) ..7-101 8. Replacing the Registration 1. Removing the Delivery Roller Releasing Spring Assembly ..... 7-101 Clutch Assembly ... 7-85 COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 14: Chapter 8 Fixing System

    Rollers (upper/lower, Oil Pump ....... 8-27 front/rear) ...... 8-18 3. Adjusting the Fixing 8. Removing the Fixing Upper/Lower Upper Thermistor ..8-19 Solenoid ......8-27 COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 15 PCB ....... 9-34 Cover ......9-20 K. Developing Bias PCB ..9-34 B. Control Panel ...... 9-21 1. Removing the Developing Bias PCB ..9-34 xiii COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 16: Chapter 10 Paper Deck

    B. Paper Deck - Related 1. Removing the Deck Work ........10-23 Driver PCB ....10-38 2. Removing the Deck Open Switch PCB ..10-39 COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 17: Chapter 12 Maintenance And Servicing

    ADJUSTMENTS ....... 13-7 FAULTY IMAGES ....13-51 A. Image Adjustment System .. 13-7 A. Making Initial Checks ..13-51 B. Exposure System ....13-14 COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 18 1. DC-CPU ....13-216 B. Feeding Faults....13-160 2. R-CPU ....... 13-232 VI. ARRANGEMENT OF D. ADJUST ELECTRICAL PARTS ..13-161 (adjustment mode) ..13-235 COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 19 CIRCUIT DIAGRAM ....A-13 SIGNALS AND SPECIAL TOOLS ..... A-15 ABBREVIATIONS ....... A-3 SOLVENTS AND OILS .... A-17 GENERAL CIRCUIT DIAGRAM ........A-9 xvii COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)

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