Xerox DocuPrint N2025, Руководство по обслуживанию

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02/2000
3-10 DocuPrint N2025/N2825
Other Print Defects, IQ RAP 1
Initial Issue Image Quality Repair Analysis Procedures
Other Print Defects
Procedure
Inspect the Test Patterns for other Print Defects. Test Prints are free of defects.
Y
N
There are dark streaks present on the Test Prints.
Y
N
There is a residual image (ghosts) on the Test Prints.
Y
N
There is paper damage: wrinkles, creases, tears, etc.
Y
N
The printer meets specifications. Go to Initial Actions
Go to IQ RAP 14 Damaged Prints.
Go to IQ RAP 9 Residual Image.
Go to IQ RAP 7 / IQ RAP 8 Streaks.
Go to Final Actions
IQ RAP 1 Light (Undertoned) Prints
The overall image density is too light (Figure 1).
Figure 1 Light Prints
Initial Actions
• 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.
Procedure
Load fresh, dry paper. Run a test print. The image density meets specifications.
Y
N
Install a new Print Cartridge. Run a test print. The image density meets specifications.
Y
N
Remove the Print Cartridge. Inspect the Metal Grounding Contact on the rear of the
Right Print Cartridge Guide. The Metal Grounding Contact is intact and free of
contamination.
Y
N
Reform or clean the Metal Grounding Contact, so it makes better contact with
the drum shaft, or replace the Right Print Cartridge Guide (REP 7.2).
Check for the continuity between the Metal Grounding Contact and the printer body
frame. There is continuity between the Metal Grounding Contact and the
printer frame.
Y
N
Replace the Right Print Cartridge Guide (REP 7.2).
Inspect Laser beam path between the Laser Assembly and the Drum for obstruc-
tions. The laser beam path is free of obstructions.
Y
N
Clean the Laser window and remove any obstructions from the laser beam
path.
A B C