09/20076-41Phaser 8860/8860MFP Service Manual Exit Module Malfunction, Media Path and TransportDiagnosticsInitial IssueExit Module MalfunctionExit Module Elevator Inoperative1. Is there Scanner Power Supply working properly? Lift the DADF and observe the scannerlamps. If the lamps are on and the scanhead moves, the Scanner Power Supply is supply-ing +24 volts. See Scanner Power Supply.2. Check the Exit Module Control Board connections. Replace the Exit Module ControlBoard (REP 5.0.1) if necessary.3. Lift the Control Panel and check for proper movement of the Exit Module elevator. TheExit Module elevator should cycle up and down after the Scanner Assembly is raised andlowered. Inspect the Exit Module for defective components. Replace any defective com-ponents or the Exit Module (REP 3.0.7).Media Path and Transport ProblemsFor paper path and media-based problems, first check for displayed error codes. If a code isdisplayed, see Error Message Troubleshooting for the appropriate troubleshooting procedure. Ifno code is displayed, use the following procedures to isolate the problem.Initial Actions• Check that the correct type of media is being used, for information on the correct mediatype and sizes refer to the Paper Tips page.• Ensure the system is operating under the right environmental conditions.• Ensure the correct weight of paper is being used.• Ensure that envelopes are of an acceptable size and oriented with the flap up for Tray 1and the flap down for Trays 2, 3, and 4• Ensure that the correct media is in the correct media tray. The paper guides indicate to thesystem the size of media being used. Ensure the media guides are set correctly.• Inspect the paper for bent, torn or folded corners.• Check to ensure no small pieces of paper are in the paper path.• Run the Service Diagnostics Paper Path Status test to test all path sensors.• Try printing from a fresh, unopened ream of paper.Pick Errors Tray 11. Inspect the paper path for obstructions.2. Ensure that the side guides are set correctly by sliding the guide gently against the media.3. Try printing from a fresh, unopened ream of paper.4. Flip over the media in the tray5. Ensure the Pick Roller and Separator Pad are installed correctly.6. Clean the Pick Roller using the cleaning procedures. Paper dust can coat the roller andaffect its ability to grip the paper. Also clean the transport rollers if they are visibly dirty.7. Check that the Pick Roller rotates. Replace if necessary (REP 3.0.18).8. Run the Paper Path test9. Inspect the rollers, bushings and gears of the paper pathPick Errors Trays 2, 3, and 41. Inspect the paper path for obstructions.2. Ensure that the side guides are set correctly by sliding the guide gently against the media.3. Try printing from a fresh, unopened ream of paper.4. Flip over the media in the tray5. Ensure the pick rollers for Trays 2, 3 and 4 are installed correctly.6. Clean the pick roller using the cleaning procedures. Paper dust can coat the pick rollerand affect its ability to grip the paper and pull it out of the tray. Also clean the transport roll-ers if they are visibly dirty.7. Check that the pick roller is being rotated.8. Run the Paper Path test9. Replace the pick roller if damaged.10. Inspect the rollers, bushings and gears of the paper path
