Canon PC980 Service Manual - Page 264
Canon PC980 - PC 980 B/W Laser Manual
UPC - 030275182323
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Page 264 highlights
CHAPTER 11 TROUBLESHOOTING I. MAINTENANCE AND INSPECTION 11-3 A. Image Adjustment Basic Procedure 11-3 B. Points to Note for Servicing 11-4 II. STANDARDS AND ADJUSTMENTS 11-5 A. Mechanical 11-5 B. ADF 11-30 C. Electrical 11-41 III. TROUBLESHOOTING IMAGE FAULTS 11-48 A. Making Initial Checks ....... 11-48 B. Sample Image Faults ....... 11-52 C. Troubleshooting Image Faults 11-53 IV. TROUBLESHOOTING MALFUNCTIONS 11-61 A. Troubleshooting Malfunctions 11-61 V. TROUBLESHOOTING FEEDING PROBLEMS 11-75 A. Copy Paper Jam 11-75 B. Faulty Feeding 11-78 VI. ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS 11-79 A. Sensors and Solenoids .... 11-79 B. Switches 11-80 C. Lamp, Heater, Motor, Etc. 11-81 D. PCBs 11-82 E. ADF 11-83 F. Variable Resistors (VR) and Check Pins by PCB .......... 11-84 VII. SELF DIAGNOSIS 11-86 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)