Iq Rap 4 Horizontal Deletions - Xerox DocuPrint N2125 Service Manual

A B
If the printer has been switched on, the Fuser will be hot.
Open the Rear Cover. Remove the Fuser Assembly. Rotate the fuser idler gear manually
and inspect the Heat Roll. Open fuser jam access cover. Rotate the fuser idler gear man-
ually and inspect the Pressure Roll. The Heat Roll and the Pressure Roll are free of
scratches and contamination.
Y N
Replace the Fuser Assembly (REP
Replace the following, in order, until the defective component is found: BTR Assembly
(REP 7.1), Fuser Assembly (REP 6.2), Chute Transport Assembly
(REP 9.6), Laser Assembly (REP 7.4), Print Engine Controller PWB
Problem solved.
Image Quality Repair Analysis Procedures
IQ RAP 3, IQ RAP 4
WARNING
6.2).
(REP 6.1), HVPS PWB
(REP 9.3)

IQ RAP 4 Horizontal Deletions

A deletion is an area of the print where the image is missing or extremely light. Horizontal dele-
tions extend across the page (Figure
Figure 1 Horizontal Deletions
Initial Actions
• Check that the paper supply is dry and fresh.
• Inspect the printer paper path for items such as staples, paper clips and paper scraps.
• Check installation of the Print Cartridge.
• Check that the Print Cartridge ground contact points are clean.
• Check that rollers and other components in the paper path are clean and unobstructed.
Procedure
Enter Diagnostics and select Test Print. Scroll to Print Pattern and press Enter [4]. Run five test
prints. The test prints have horizontal deletions.
Y N
Exit diagnostics and enter the Menu Mode. Print a Config Sheet. The prints have hori-
zontal deletions.
Y N
The problem appears to be with the host computer or the cables. If the problems per-
sist, replace the System Controller PWB
Remove and reseat the System Controller PWB. If the problems persist, replace the Sys-
tem Controller PWB (REP 9.2).
Load fresh, dry paper. Run a test print. The problem is still present.
Y N
Problem solved.
Install a new Print Cartridge. The problem is still present.
02/2000
3-14
1).
(REP 9.2).
DocuPrint N2125
Initial Issue