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

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32 Phaser 5400 Laser Printer Service Guide
How to Follow a Repair Analysis Procedure
See the RAP Table example below.
1. Each numbered step in a Repair Analysis Procedure instructs you to perform a
certain action or procedure.
2. The Actions and Questions box may contain additional information and
numbered procedure steps you must follow to perform the action.
3. The action is followed by a question.
4. If your response to the question is Yes , then follow the instructions for a Yes reply.
5. If your response to the question is No , then follow the instructions for a No reply.
6. Repair Analysis Procedures may ask you to take voltage readings at certain test
points within the printer. The
Plug/Jack Connector Locations and Master Wiring
Diagram sections of this manual contain information on test point locations and
signal names.
7. Repair Analysis Procedures may ask you to run a specific diagnostic routine in
order to test a component or circuit. The
Tests /Adjustments and Resetting NVRAM
sections of this manual contain information on printer diagnostics.
8. Repair Analysis Procedures often ask you to replace a printer component. The Key
FRU (Field Replaceable Unit) section of this manual provides detailed steps for
removing and replacing all major parts of the printer. If the component is not part
of the base engine, the Repair Analysis Procedure indicates which technical
manual contains the procedure.
RAP Table Example
Step Actions and Questions Yes No
2 NO PAPER SENSOR TEST
1. Enter Diagnostics.
2. From the Main Menu, select Component
Test / Sensor Input / press [4] to start, [0]
to stop.
3. Remove Tray 1 from the printer.
4. Manually actuate and deactuate Tray 1
No Paper Sensor.
Does the LCD counter increment each
time you press and release the
actuator?
Go to Step 3 Replace the No
Paper Sensor
Assembly