Xerox N2125N - DocuPrint B/W Laser Printer, Service Manual

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02/2000
3-22 DocuPrint N2125
IQ RAP 12 , IQ RAP 13
Initial Issue Image Quality Repair Analysis Procedures
Y N
Replace the Fuser Assembly (
REP 6.2 ).
Panic stop the printer half way through the print cycle. Look at the image on the drum. The
image on the drum has even density.
Y
N
Replace the Laser Assembly (
REP 7.4 ).
Look at the print on the paper before the Fuser. The print on the paper has even density.
Y
N
Replace the BTR (
REP 7.1 ).
Replace the Fuser Assembly ( REP 6.2 ).
IQ RAP 13 Skewed Image
The image is not parallel to the edges of the print sheet ( Figure 1 ).
Figure 1 Skewed Image
Initial Actions
• Check the paper tray(s) installation and the paper in the tray(s).
• Load fresh dry paper.
• Paper meets specification.
• Check the paper path for any obstructions or debris that might hamper the passage of the
paper.
• Ensure the Print Cartridge is properly installed.
Procedure
Run 5 test prints, single sided, from each paper tray. If the printer has a Duplex Assembly, run
five duplexed prints from each tray. The skewed image appears only on duplexed prints.
Y
N
The skewed image occurs on prints fed from all trays.
Y
N
The skewed image occurs on prints fed from the MBF Tray.
Y
N
The skewed image occurs on prints fed from Tray 1.
Y
N
The skewed image occurs on prints fed from Tray 2.
Y
N
•
Check the Tray 3 Feed Rolls. Clean or replace if necessary.
• Check the Tray 3 Retard Roll. Clean or replace if necessary.
• Check the Nudger Roll. Clean or replace if necessary.
• Check the Tray 3 Transport Rolls. Check for obstructions or con-
tamination. Clean as necessary.
• Check the feed chute between Tray 3 and Tray 2. Check for
obstructions or contamination. Clean as necessary.
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