Canon GP405 - Troubleshooting Guide

COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 14
TROUBLESHOOTING
I. MAINTENANCE AND
INSPECTION...........................14-3
A.Image Basic Adjustment
Procedure...........................14-3
B.Points of Scheduled
Servicing.............................14-4
II. STANDARDS AND
ADJUSTMENTS.......................14-5
A.Image Adjustment...............14-5
B.Exposure System..............14-10
C.Image Formation System..14-13
D.Pick-Up/Feeding System..14-15
E.Fixing System...................14-20
F.Electrical System..............14-22
III. TROUBLESHOOTING IMAGE
FAULTS..................................14-33
A.Initial Checks.....................14-33
B.Sample Image Faults........14-36
C. Troubleshooting Image
Faults.................................14-37
IV. TROUBLESHOOTING
MALFUNCTION.....................14-56
V. TROUBLESHOOTING
FEEDING PROBLEMS........14-102
A.Paper Jams.....................14-102
B.Feeding Faults.................14-107
VI.ARRANGEMENT AND
FUNCTIONS OF ELECTRICAL
PARTS.................................14-108
A.Clutches and Solenoids..14-108
B.Motors.............................14-110
C.Fan..................................14-112
D.Sensors...........................14-114
E.Switches and Counters...14-116
F.PCBs...............................14-118
G.Side Paper Deck.............14-120
H.Variable Resisters,
Light-Emitting Diodes,
and Check Pins by PCB..14-124
VII.UPGRADING.......................14-131
A.Replacing the DIMM.......14-131
B.Downloading...................14-134
VIII.SERVICE MODE..................14-137
A. Outline.............................14-137
B.DISPLAY Control Display
Mode...............................14-143
C. I/O Operation Check Mode... 14-158
D. ADJUST Adjustment Mode.. 14-181
E.FUNCTION Operation
Check Mode....................14-189
F.OPTION Settings Mode..14-201
G.PG test Print....................14-209
H.COUNTER Mode............14-214
I.FEEDER..........................14-217
J.SORTER
(finisher, saddle stitcher).14-221
IX.SELF DIAGNOSIS...............14-223
A.Copier..............................14-225
B.DADF...............................14-231
C.Cassette Feeding
Unit-R1/S1......................14-232
D.Multi Output Tray-D1.......14-232
E.Finisher-C1.....................14-233
F.Saddle Finisher-C2.........14-235
G.Finisher-E1......................14-239
H.Paper Deck-B1................14-241
I. SCSI Interface Board-D1... 14-242