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Repair Analysis Procedures (RAP)
7-8
Xerox DocuPrint P8e Service Manual
RAP 7.4 Control Panel
1 Switch the AC Power off. After 10 seconds, switch the AC Power on. All the LEDs are off.
Y
N
|
Go to step 8.
2 Remove the Control Panel Cover and measure the voltage from CN1 pin 7 to pin 6. The voltage
is +5.0 +/- 0.5 VDC.
Y
N
|
Go to step 4.
3 Replace in the following order: Controller PWB (PL 10), the Control Panel (PL 2).
4 Measure the voltage on the Controller PWB between J2 pin 7 and frame ground. The voltage is
5.0 +/- 0.5 VDC.
Y
N
|
Go to step 6.
5 Replace the Control Panel (PL 2).
6 Measure the voltage on the Controller PWB between J5 pin 15 and frame ground. The voltage is
5.0 +/- 0.5 VDC.
Y
N
|
Verify the harness between the Controller PWB and the Engine Controller PWB. Repair or
replace as necessary. If harness is OK, replace the Engine Controller PWB (PL 10).
7 Replace the Controller PWB (PL 10).
8 Use Table 7.4 to isolate the problem.
Table 7.4. Control Panel LEDs.
Control Panel LEDs
Possible Cause
Solution
All three LEDs blink.
Defective Laser
Defective Fuser
Go to RAP 7.7.
Error LED only is
illuminated.
No Print Cartridge
Open Front Cover
Defective Front Cover Actuator
Engine Controller PWB
Properly reinstall or replace Print Cartridge.
Close Front Cover.
Verify / replace Front Cover Actuator (PL 6).
Replace the Engine Controller PWB (PL 10).
Flashing Paper LED.
No paper
Low Paper Sensor Actuator
Engine Controller PWB
Add paper or properly adjust paper in tray.
Verify / replace Low Paper Actuator (PL 5).
Replace the Engine Controller PWB (PL 10).
Error and Paper LEDs
are illuminated
Paper Jam 0, 1, or 2
Go to RAP 7.6.
Error and On-line blink
Complex job
Add memory.
Reduce to 300 X 300 DPI.
Set to Raster graphics.
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