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

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118 Phaser 5400 Laser Printer Service Guide
RAP 42 System Controller Isolation
Table 68 System Controller Isolation Procedure
Step Actions and Questions Yes No
1
SYSTEM CONTROLLER ISOLATION
1. Switch printer power OFF.
2. Disconnect all cables connected the rear of the
System Controller Board.
3. Remove the Left Side Cover [RRP 1.1, page 250 ].
4. Remove all options from the System Controller Board.
5. Switch printer power ON.
Does the printer boot up correctly and “Ready”
is displayed on the Control Panel?
Go to
Step 3. Go to
Step 2.
2 SYSTEM CONTROLLER RESEAT
1. Switch printer power OFF.
2. Remove, then reinstall the System Controller Board
[RRP 8.1, page 305 ] to reseat the connection with the
Print Engine Controller Board.
3. Switch printer power ON.
Does the printer boot up correctly and “Ready”
is displayed on the Control Panel?
Problem
solved. Replace the
System
Controller
Board
[RRP 8.1,
page 305 ].
3 OPTIONS ISOLATION
1. Switch printer power OFF.
2. Reinstall one of the removed options or cables.
3. Switch printer ON.
Does the printer boot up correctly and “Ready”
is displayed on the Control Panel?
Repeat the
last step with
the next
option or
cable until
the problem
is found. Replace the
option or
cable just
installed.
4 SUSPECT COMPONENTS
The following printer components and areas are
associated with this specific problem. One or more of
these components or areas may have failed partially or
completely. If you cannot isolate this problem using the
steps in this Repair Analysis Procedure, replace each
component or troubleshoot each area listed below, one
at a time, until you isolate and solve the problem.
■
System Controller Board [RRP 8.1, page 305 ]
■
Print Engine Controller Board [RRP 8.5, page 310
■
Printer Options
■
Wiring and connectors linking the components