Xerox 4400DT Service Manual - Page 56
Paper Jam/Misfeed Troubleshooting Procedure cont'd., Actions and Questions
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Paper Jam/Misfeed Troubleshooting Procedure (cont'd.) Step Actions and Questions Yes No 8 Does the Turn Roller Assembly move the paper Go to Go to Turn to the Registration Sensor? Registration Roller Clutch Sensor on Assembly on page 3-20. page 3-28. 9 1. Remove Tray 1. Go to step Remove 2. Check the paper chute at the front of the tray (the 10. chute guides paper from Tray 2 to the Tray 1 turn rollers). Check for contamination, paper, or other obstructions. obstructions and clean chute. Replace paper Is the chute clean and free of obstructions? tray if neces- sary (PL 2.1 on page 7-6). 10 Do the jams occur when feeding from Tray 3. Go to step 14. Go to step 11. 11 1. Remove Tray 2 and place the tray in Feeder 1. 2. Place Tray 1 in Feeder 2. 3. Enter Service Diagnostics and select Test Print. 4. Run 20 to 25 test prints from Tray 2. Did all prints complete successfully? The paper tray currently in Feeder 1 appears to be defective. Go to step 18. Go to step 12. 12 1. Remove the tray currently in Feeder 2. Go to step Replace the 2. Check the Nudger and Feed Rollers in Feeder 2 for 13. contamination and wear. Feed Rollers (RRP 11.11 on Are the Feed Rollers clean and in good page 6-130). condition? 13 Check the Tray 2 Turn Roller Assembly for Replace the Remove the obstructions, contamination, or wear. Feeder PWB obstruction; Are the Turn Rolls clean and in good condition? (RRP 11.9 on page 6-128). clean, or replace the If the prob- Turn Roller lem persists, Assembly replace the (RRP 11.8 on Size PWB page 6-127). (RRP 11.19 on page 6-139), then the Engine Logic Board (RRP 9.3 on page 6-89). 14 Remove Tray 1 and Tray 2. Check the paper chute at Go to step Remove the front of both trays (the chute guides paper from 15. obstructions Tray 3 to the Tray 2 turn rolls and from Tray 2 to the and clean Tray 1 turn rollers). Check for contamination, paper, or chute. other obstructions. Replace paper Is the chute clean and free of obstructions? tray if necessary (PL 2.1 on page 7-6). Phaser 4400 Laser Printer Service Manual 2-19
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