Xerox DocuColor 1632 Service Manual

6/02
3-11
DC1632/2240
IQ9, IQ12
Image Quality
Prelaunch Training/Review
Check the components in the Registration Transport Assembly (PL 2.6) for wear,
slipping, damage, or contamination. Clean/replace as required
The defect occurred on copies from all five paper trays.
YN
Check the components in the Registration Transport Assembly (PL 2.6) for wear,
slipping, damage, or contamination. Clean/replace as required
Check the IOT Lead Edge/Side Edge Registration (ADJ 9.9) for that tray.
Check the feeder for the affected tray for wear, slipping, damage, or contamination.
ï Tray 1 Feeder (PL 2.4)
ï Tray 2 Feeder (PL 16.7)
ï Tray 3 Feeder (PL 16.9)
ï Tray 4 Feeder (PL 16.11)
ï Tray 5 Feed Assembly (PL 2.14)
TBD.
IQ12 Process Direction Bands, Streaks, and Smears RAP
Procedure
NOTE: The repetition rate for Transfer Belt defects varies considerably, depending on paper
size and mode of operation. The defect may appear as frequently as every 3rd sheet, or may
only occur every 14 sheets.
The defect occurs in approximately the same position on multiple prints.
YN
If the defect occurs intermittently, examine the Developer Housings for evidence of toner
clumping. If clumping is found, replace the Developer (PL 6.2). if this does not resolve the
problem
The defect is a full-width (LE - TE) process direction deletion.
YN
Remove the Fuser Assembly. Examine the Heat Roll for damage or contamination. Clean
or replace as required (PL 7.1).
If the Fuser is OK, check the Developer Housing (PL 6.2). Repair or replace as required.
If the problem remains, replace the ROS (PL 3.1).
If the problem is related to a single color, replace the Drum Cartridge (see Machine Con-
sumables in Section 6).
Enter dC612. Select Test Pattern 20% coverage pattern for all colors. The defect is present
for all colors.
YN
ï Check the ROS window for damage or contamination. Clean or replace as required.
ï Check Drum Cartridge for affected color. Check for damage or contamination to the
BCR.
ï Go to the IQ20 RAP to check the 1st BTR bias circuit for the affected color
ï Replace the Developer (PL 6.2) for the affected color. Check the housing for damage
or toner clumping.
Remove the IBT Cleaner (PL 5.3). Inspect the cleaning blade and Mylar seal for damage.
Clean or replace as required.
If the IBT Cleaner is OK, check the Transfer Belt (PL 5.3) for damage or contamination. Ensure
that there is no debris or loose wiring, etc. in contact with the belt. Clean or replace as required.
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Xerox DocuColor 1632 Specifications

General

Brand	Xerox
Model	DocuColor 1632
Category	Printer
Language	English