7/98Xerox DocuPrint P8e Service Manual 7-11 Repair Analysis Procedures (RAP)RAP 7.7 Printer ProblemA printer problem is indicated by all three LEDs flashing. If the customer has Status Monitor running, anUnknown Status, Laser Error, or Fuser Error indication will be displayed.1 Switch the AC power off, then on. Wait for 60 seconds. All three LEDs are flashing.Y N| Return to the Entry Level RAP and continue.2 Switch the AC power off. Connect the DCU and switch the AC power on. After 60 secondscompare the code displayed on the DCU with Table 7.7.3 Switch the AC power off. Remove the Left Side Cover REP 4.1.5 and the Fuser Wire Cap.Remove one of the screws that secure the AC wire to the Fuser Assembly. Measure theresistance between the two AC terminals on the Fuser. The resistance is less than 5 ohms.Y N| Replace the Halogen Lamp (REP 4.4.3) (PL 8).4 Disconnect CN1 (Fuser Thermister) from the Engine Controller PWB. Measure the resistancebetween pins 1 and 2 on the disconnected plug. The resistance is between 4K ohms and 200Kohms.Y N| Replace the Thermister (PL 8).5 Replace the Engine Controller PWB (PL 10).6 Disconnect the AC power. Remove the Laser Assembly and verify proper connection of bothLaser harness connectors. Both connectors are properly connected and the harnesses areundamaged.Y N| Properly connect, repair, or replace as necessary (PL).7 Replace in order: Laser Assembly (PL 6), Engine Controller PWB (PL 10), HVPS PWB (PL 10).Table 7.7. DCU Codes.DCU Code Status Solution00 Ready (Legal Paper) Normal Operation, no action required.01 Ready (Letter Paper) Normal Operation, no action required.02 Ready (A4 Paper) Normal Operation, no action required.60 Open Fuser Error Go to step 3.61 Warm Up Normal Operation, No action required.62 Low Heat Error Go to step 3.68 Over Heat Error Go to step 3.95 Laser Ready Error Go to step 6.
