Lexmark Optra C Service Manual - Page 70

5045-001 Paper Feed Troubleshooting Pickup Unit (Codes 20 - 21, Paper Jam) FRU Action 1 Paper Is recommended paper being used? Advise the customer to use recommended paper. 2 Paper 3 Paper 4 Paper Is the paper deformed with curls or waves? Replace the paper. Advise the user on the storage method. Did it occur in the manual feed unit? Check from Step 8. Did it occur in the cassette feed unit? Check from Step 11. 5 Registration Is the registration roller clutch operating properly? Check the registration roller clutch. 6 Registration Is the registration roller worn, deformed or soiled? Clean the roller if it is soiled. If worn or deformed, replace appropriate parts. 7 Prism Is the paper top sensor prism soiled? Clean it. Replace it if it cannot be cleaned or it is flawed. If it is OK, replace the pickup PCB. 8 OHP sheet Is dedicated OHP sheet being used, and is it loaded correctly? Advise the user to use dedicated OHP sheet, and to set it correctly. 9 Excessive Is more paper in the manual feeding tray than paper in manual prescribed? Advise the user not to put more feeding tray than the suggested amount of paper in the tray. 10 Pickup roller Does the pickup roller rotate during printing? If yes, replace the pickup roller. If no, see "No Faulty pickup Pickup (Manual Feed)" 11 Cassette 12 Paper set incorrectly Is the cassette set properly? Set it properly. Is the paper correctly set against the cassette claw? Set it correctly. 2-38