Rap 7.3 Main Drive Motor - Xerox DocuPrint P1202 Service Manual

RAP 7.3 Main Drive Motor

1 The Error LED on the Control Panel is illuminated.
Y N
| Go to step 5.
2 Disconnect the AC power. Connect the DCU and reconnect the AC power. The DCU displays the
error code 64.
Y N
| Replace in order: System Controller PWB (PL 7), Control Panel (PL 1).
3 Using the DCU, enter the diagnostic mode and run diagnostic code 09. Test the Printer Cartridge/
Front Cover Interlock Sensor. The sensor functions normally.
Y N
| Verify the operation of the Printer Cartridge/Front Cover Interlock Sensor Actuator. If
functioning normally, replace the Engine PWB (PL 7).
4 Replace the System Controller PWB (PL 7).
5 Remove the Main Drive Motor Assembly. The Main Drive Motor Assembly Harness is properly
connected to the Engine PWB.
Y N
| Properly reconnect the harness, repair, or replace as necessary (PL 6).
6 With the Main Drive Motor Assembly Harness properly connected lay the Main Drive Motor
Assembly on the table next to the printer. Cheat the Front Cover Interlock. Reconnect the AC
power. The Main Drive Motor Assembly runs normally.
Y N
| Go to step 10.
7 Disconnect the AC power. Rotate the Pick-Up Assembly gears. The gears rotate freely.
Y N
| Check the gears for obstructions. Repair or replace the Pick-Up Assembly as necessary
(PL 8).
8 Rotate the Fuser Drive Gears. The Fuser Drive and Exit Drive Gears rotate freely.
Y N
| Check the gears for obstructions. Repair or replace the Fuser Assembly or Exit Drive
Assembly as necessary (PL 5) or (PL 4).
9 Replace the Printer Cartridge (PL 4). If problem persists, replace the Main Drive Motor (PL 6).
10 With AC power applied, Printer Cartridge/Front Cover Interlock closed, and the Main Drive Motor
not running, measure the voltage on the Main Drive Motor harness connector CN1. The voltage
between pin 1 and frame ground and between pin 2 and frame ground is +24.0 +/- 2.0 VDC on
both pins.
Y N
| Replace the Engine PWB (PL 7).
11 With AC power applied and the Main Drive Motor not running, measure the voltage between pins
3, 4, 5, & 6 and frame ground. The voltage is +24.0 +/- 2.0 VDC on all pins.
Y N
| Replace the Main Drive Motor Assembly (PL 6).
Repair Analysis Procedures (RAP)
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