COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)v iAPPENDIXCHAPTER 10 TROUBLESHOOTINGI. MAINTENANCE ANDINSPECTION ............................ 10-1A. Basic Image AdjustmentProcedure ........................... 10-1B. Periodic Maintenance CheckPoints ................................. 10-2II. STANDARDS ANDADJUSTMENTS ....................... 10-3A. Mechanical ......................... 10-3B. Electrical ........................... 10-17III. IMAGE TROUBLE-SHOOTING ............................. 10-22A. Initial Check ...................... 10-22B. Samples of Image Faults . 10-26C. Troubleshooting of ImageFaults ................................ 10-27IV. OPERATION TROUBLE-SHOOTING ............................. 10-39A. Troubleshooting ofMalfunction ....................... 10-39V. TROUBLESHOOTING THEFEEDING PROBLEMS ........... 10-56A. Paper Jams ...................... 10-56VI. INCORRECT PAPER FEEDOPERATION ........................... 10-60VII. FUNCTION AND ARRANGE-MENT OF THE ELECTRICALPARTS ..................................... 10-62A. Sensors, Fuses andLamps............................... 10-62B. Clutches, Solenoids, Fans,Motors and Heaters ......... 10-63C. Switches, Circuit Breakers,Counters, Etc. .................. 10-64D. PCBs ................................ 10-65VIII. SERVICE MODE..................... 10-66A. Outline .............................. 10-66B. Using the Service Mode ... 10-66C. Guide to Service Mode .... 10-67IX. SELF DIAGNOSIS .................. 10-70A. Self-Diagnosis .................. 10-70A. GENERAL TIMING CHART ........ A-1B. LIST OF SIGNALS/COMMANDS ............................... A-3C. GENERAL CURCUITDIAGRAM ................................... A-5D. LIST OF SPECIAL TOOLS ......... A-7E. LIST OF SOLVENTS ANDMATERIALS ................................ A-8
