Xerox 5400N - Phaser B/W Laser Printer, Service Quick Reference Manual

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194 Phaser 5400 Laser Printer Service Guide
RAP 77 Horizontal (Scan) Streaks
There are black lines running horizontally across the
page (at a right angle to the direction of paper
travel).
Figure 25 Horizontal (Scan) Streaks
Table 108 Horizontal (Scan) Streaks Troubleshooting Procedure
Step Actions and Questions Yes No
1 INITIAL ACTIONS
■
Check that the paper supply is dry and fresh.
■
Inspect the printer paper path for items such as
staples, paper clips, paper scraps and/or debris.
■
Check the installation of the Print Cartridge.
■
Check that the Print Cartridge contact points are
clean.
2 PRINT ENGINE CONTROLLER TEST PRINTS
1. Enter Diagnostics mode.
2. From the Main Menu, select Test Print / Print Pattern
/ press [4] to start.
3. After approximately 5 prints have run, press [0] to
stop.
Do the test prints have horizontal streaks?
Go to Step 4. Go to Step 3.
3 SYSTEM CONTROLLER TEST PRINT
1. Switch printer power OFF to exit Diagnostics mode.
2. Switch printer power ON to enter Ready mode.
3. From the Ready menu, press [1] or [5] to scroll to Test
Print, then press [2] or [6] to scroll to Config Sheet.
4. Press [4] to print a Configuration Sheet.
Does the Configuration Sheet exhibit horizontal
streaks?
Remove and
reseat the
System
Controller
Board. If the
problem
persists,
replace the
System
Controller
Board
[RRP 8.1,
page 305 ].
The problem
appears to
be with the
host
computer or
the cables. If
the problem
persists,
replace the
System
Controller
Board
[RRP 8.1,
page 305 ].
4 PRINT CARTRIDGE REPLACEMENT
1. Install a new Print Cartridge.
2. Run a Test Print.
Are the horizontal streaks gone?
Problem
solved. Go to Step 5.