COPYRIGHT © 1997 CANON INC. CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 11TROUBLESHOOTINGI. MAINTENANCE ANDINSPECTION ....................................11-3A. Image Adjustment BasicProcedure....................................11-3B. Points to Note for ScheduledServicing......................................11-4II. STANDARDS/ADJUSTMENTS ........11-5A. Image Adjustment .......................11-5B. Exposure System ........................11-11C. Image Formation System ............11-17D. Pick-Up/Feeding System.............11-24E. Fixing System..............................11-38F. Electrical System.........................11-42III. IMAGE FAULTS................................11-64A. Initial Checks ...............................11-64B. Sample Image Faults ..................11-68C. Troubleshooting Image Faults.....11-69IV. TROUBLESHOOTINGMALFUNCTIONS .............................11-85A. Troubleshooting Malfunctions .....11-85V. TROUBLESHOOTING FEEDINGPROBLEMS......................................11-119A. Copy Paper Jams........................11-119B. Feeding Faults.............................11-126VI. ARRANGEMENT AND FUNCTIONSOF ELECTRICAL PARTS ................11-127A. Sensors .......................................11-128B. Switches and Solenoids ..............11-132C. Motors and Fans .........................11-136D. Clutches ......................................11-138E. Lamps, Heaters, andPhotosensors ..............................11-140F. PCBs ...........................................11-142G. Paper Deck-A1 ............................11-144H. Variable Resistors (VR),Light-Emitting Diodes (LED),and Check Pins by PCB..............11-148VII. SERVICE MODE ..............................11-159A. Outline .........................................11-159B. Using Service Mode ....................11-160C. Using Adjustment Mode andOptions Mode ..............................11-160D. Display Mode ( ) ...............11-162E. I/O Display Mode ( ) .........11-179F. Adjustment Mode ( ) .........11-215G. Function Mode ( ) .............11-233H. Options Mode ( )...............11-244I. Counter Mode ( ) ..............11-253VIII. SELF DIAGNOSIS ...........................11-259A. Copier..........................................11-259B. RDF-D1 .......................................11-264C. Sorter...........................................11-266]6]]5]]4]]3]]2]]1]This chapter provides tables of maintenance/inspection, standards/adjustments, and identification ofproblems (image fault/malfunction).Download service manual and resetter printer at http://printer1.blogspot.com
