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Repair Analysis Procedures (RAP) 7-6 Xerox DocuPrint P8e Service Manual
RAP 7.3 Main Drive Motor
1 The Error LED on the Control Panel is illuminated.
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| Go to step 5.
2 Switch the AC power off. Connect the DCU and switch the AC power on. The DCU displays the
error code 64.
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| Replace the Engine Controller PWB (PL 10).
3 Using the DCU, enter the diagnostic mode and run diagnostic code 09. Test the Print Cartridge/
Front Cover Interlock Sensor. The sensor functions normally.
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| Verify the mechanical operation of the Print Cartridge/Front Cover Interlock Sensor
Actuator. If functioning normally, replace the Print Cartridge/Front Cover Interlock Sensor
(PL 6).
4 Replace the Engine Controller PWB (PL 10).
5 Remove the Gear Bracket AssemblyREP 4.5.2. The Main Drive Motor Assembly Harness is
properly connected to the Main Drive Motor.
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| Properly reconnect the harness, repair, or replace as necessary (PL 9).
6 With the Main Drive Motor Assembly Harness properly connected lay the Gear Bracket and Main
Drive Motor Assembly on the table next to the printer. Cheat the Front Cover Interlock. Switch the
AC power on. The Main Drive Motor Assembly runs normally.
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| Go to step 10.
7 Switch the AC power off. Rotate the Paper Feeder Assembly gears. The gears rotate freely.
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| Check the gears for obstructions. Repair or replace the Paper Feeder Assembly as
necessary (PL 4).
8 Rotate the Fuser Drive Gears. The Fuser Drive and Exit Drive Gears rotate freely.
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| Check the gears for obstructions. Repair or replace the Fuser Assembly as necessary (PL
8).
9 Replace the Print Cartridge (PL 1). If problem persists, replace the Main Drive Motor (PL 9).
10 With AC power applied, Print Cartridge/Front Cover Interlock closed, and the Main Drive Motor
not running, measure the voltage on the Main Drive Motor harness connector. The voltage
between pin 3 and frame ground and between pin 4 and frame ground is +24.0 +/- 2.0 VDC on
both pins.
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| Replace the following one at a time; the Engine Controller PWB (PL 10), then the Joint
PWB (PL 10).
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