COPYRIGHT © 1999 CANON INC. CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)viiiAPPENDIXA. GENERAL TIMING CHART.....................A-1B. SIGNALS AND ABBREVIATIONS...........A-7C. GENERAL CIRCUIT DIAGRAM ............A-15D. SPECIAL TOOLS...................................A-17E. SOLVENTS AND OILS ..........................A-18CHAPTER 10 TROUBLESHOOTINGI. STANDARDS AND ADJUSTMENTS .....10-1A. Electrical System .............................10-1II. TROUBLESHOOTING IMAGEFAULTS ................................................10-10A. Making Initial Checks .....................10-10B. Guide to Test Prints for the PrinterUnit.................................................10-12C. Troubleshooting Image Faults ........10-14III. TROUBLESHOOTINGMALFUNCTIONS.................................10-28A. Error Codes....................................10-29B. Faults Not Identified by ErrorCodes.............................................10-45IV. TROUBLESHOOTING FEEDINGPROBLEMS .........................................10-58A. Paper Jams ....................................10-58B. Faulty Feeding ...............................10-66V. ARRANGEMENT AND FUNCTIONS OFELECTRICAL PARTS ..........................10-69A. Sensors ..........................................10-70B. Thermistors, Lamps, and Heaters .10-72C. Clutches and Solenoids .................10-74D. Fans and Motors ............................10-75E. PCBs ..............................................10-76F. Duplexing Unit................................10-78G. Variable Resistors (VR), Light-EmittingDiodes, and Check Pins PCB ........10-79VI. SERVICE MODE..................................10-83A. Entering the Service Mode ............10-83B. Menu Structure and KeyAssignment ....................................10-83C. Main Menu .....................................10-85VII. TEST PAGE PRINT MODE..................10-93A. Generating the Test Page ..............10-93B. Test Pattern ....................................10-93VIII. SELF DIAGNOSIS ...............................10-99A. Printer unit......................................10-99Download free service manual at http://printer1.blogspot.com
