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

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Phaser 5400 Laser Printer Service Guide 199
RAP 79 Black Prints
A totally black output print. There is toner on the
paper with no visible image.
Figure 27 Black Prints
Table 110 Black Prints Troubleshooting Procedure
Step Actions and Questions Yes No
1 INITIAL ACTIONS
1. Power OFF the printer for 20 seconds.
2. Clear all paper from the paper path.
3. Power ON the printer.
Does the printer print black prints within 15
seconds after Power On?
Replace the
system
controller
board
[RRP 8.1,
page 305 ].
Go to
Step 2.
2
INSPECTIONS and Checks
■
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 ground contact points
are clean.
■
Ensure the machine covers are in place and fit well so
no outside light can enter.
3 PRINT CARTRIDGE REPLACEMENT
1. Install a new Print Cartridge.
2. Run a Test Print.
Is the print normal?
Problem
solved. Go to
Step 3.
4 “NO” FROM STEP 2 ABOVE
1. Shield half of the window of the Laser Assembly.
2. Run a Test Print.
Is the print half white and half black?
Go to
RAP 48,
page 130 .
Go to
RAP 59,
page 153 .
s5400-038