Iq Rap 5 Vertical Deletions - Xerox N2125N - DocuPrint B/W Laser Printer Service Manual

Y N
Problem solved.
Inspect the BTR Assembly for contamination and wear. The BTR is free of contamination
and wear.
Y N
Replace the BTR Assembly (REP 7.1).
Generate a test print and switch OFF the printer power halfway through the print cycle. Care-
fully remove the Print Cartridge and inspect the toner image on the drum just before the trans-
fer area (BTR). The image on the drum is completely developed, with sharp, black, easily
read areas and no horizontal deletions.
Y N
Go to RAP 43.
Inspect the toner image on the drum immediately after the transfer area (BTR). The
image on the drum was transferred to the paper.
Y N
Go to RAP 43.
WARNING
If the printer has been switched on, the Fuser will be hot.
Warning: the Fuser may be hot. Open the Rear Cover and remove the Fuser Assembly. Rotate
the fuser idler gear manually and inspect the Heat Roll. Open the fuser jam access cover.
Rotate the fuser idler gear manually 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 6.2).
Replace in order until the problem is solved: HVPS PWB
(REP 7.5), BTR Assembly (REP 7.1), Chute Transport Assembly
(REP 7.4), Print Engine Controller PWB
Assembly (REP 4.1), Registration Clutch (REP
Initial Issue
DocuPrint N2125
(REP 9.6), Print Cartridge Side Guide
(REP 6.1), Laser Assembly
(REP 9.3), Fuser Assembly (REP 6.2), MBF Chute
5.5), Turn Roll Assembly (REP 11.8).

IQ RAP 5 Vertical Deletions

A deletion is an area of the print where the image is missing or extremely light. Vertical band
deletions are deletions which extend down the page
toner
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.
• Ensure there are no obstructions in the Laser path.
• Check that rollers and other components in the paper path are clean and unobstructed.
Procedure
Load fresh, dry paper. Run a test print. The problem is still present.
Y N
Problem solved.
Install a new Print Cartridge. Run a test print. The problem is still present.
Y N
Problem solved.
Inspect the laser beam path between the Laser Assembly and the Drum. The
path is free of obstructions.
Y N
Remove any obstructions from the laser beam path.
Inspect the paper path, between feed and exit, for contamination or obstructions. The
path is free of obstructions.
Y N
Remove obstructions or contamination from the paper path.
A
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(Figure 1).
Figure 1 Vertical Deletions
Image Quality Repair Analysis Procedures
IQ RAP 4 , IQ RAP 5
laser beam
paper