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

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Phaser 5400 Laser Printer Service Guide 167
RAP 65 Exit Sensor
.
Table 95 Exit Sensor Troubleshooting Procedure
Step Actions and Questions Yes No
1
PROCEDURE
1. Enter Diagnostics mode.
2. From the Main Menu, select Component Test / Sensor
Input / press [4], to start, [0] to stop.
3. Open the rear cover.
4. Open the Fuser Exit door.
5. Actuate and deactuate the Fuser Exit Sensor.
Does the LCD counter increment each time you
actuate and deactuate the sensor?
Replace the
Print Engine
Controller
Board
[RRP 8.5,
page 310 ].
Go to
Step 2.
2 “NO” FROM STEP 1 ABOVE
1. Switch printer power OFF.
2. Disconnect P/J17 from the Print Engine Controller
Board.
3. Switch printer power ON.
4. Measure the voltage between P/J17-6 and frame
ground.
Does the voltage m3.2 VDC?
Go to
Step 4. Go to
Step 3.
3
“NO” FROM STEP 3 ABOVE
Measure the voltage between JP/J16-4 and frame
ground.
Does the voltage m3.2 VDC?
Replace the
Print Engine
Controller
Board
[RRP 8.5,
page 310 ].
Replace the
LVPS
[RRP 8.6,
page 312 ].
4 FUSER EXIT SENSOR
1. Switch printer power OFF.
2. Reconnect P/J17 to the Print Engine Controller Board.
3. Switch printer power ON.
4. Measure the voltage between P/J17-6 and frame
ground as you actuate and deactuate the Fuser Exit
Sensor.
Does the voltage m3.2 VDC when the
Fuser Exit Sensor is deactuated and 0.0 VDC
when actuated?
Replace the
Print Engine
Controller
Board
[RRP 8.5,
page 310 ].
Replace the
Fuser
Assembly
[RRP 5.1,
page 288 ].
5
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.
■
Print Engine Controller Board [RRP 8.5, page 310 ]
■
LVPS [RRP 8.6, page 312 ]
■
Fuser Assembly [RRP 5.1, page 288 ]
■
Wiring and connectors linking the components