Checking The Transfer Charging Roller/Static Eliminator; Checking The Drum Unit; Checking The Paper; Image Adjustment Basic Procedure - Canon iR1600 Service Manual

3.1.4 Checking the Transfer Charging Roller/Static Eliminator

1) Check the transfer roller and the transfer/pre-transfer static eliminator for dirt and a fault
(damage).
2) Check to make sure that the transfer roller and the transfer/pre-transfer static eliminator
are mounted correctly.

3.1.5 Checking the Drum Unit

1) Check to be sure that the surface of the photosensitive drum is free of a scratch. Other-
wise, replace the durm unit.

3.1.6 Checking the Paper

1) Check to see if paper of a recommended type is used. Advise the user that the use of pa-
per not of a recommended type may not bring the best results.
2) Check to find out if the paper is moist. Try paper fresh out of package. Advise the user
on the correct method of storing paper; moist paper will adversely affect transfer, caus-
ing poor images, separation faults, jams, or wrinkling.

3.1.7 Image Adjustment Basic Procedure

If the image is uneven in density (different between front and rear), is too light, or is
foggy, go through the Image Adjustment Basic Procedure before referring to the tables that
follow.

3.1.8 Others

In winter, bringing a machine from a cold to warm place can cause condensation inside
the machine, leading to various problems.
1) Condensation in the CS unit will generate darker images.
2) Condensation in the charging system will cause electrical leakage.
Memo
3) Condensation on the pickup/feed guide can cause paper feeding faults.
If condensation has developed, dry wipe the part, or leave the machine
alone and powered for 60 min.
COPYRIGHT© 2002 CANON INC. 2000 CANON iR1600/iR2000 REV.1 JAN. 2002
CHAPTER 13 TROUBLESHOOTING
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