Xerox 4400DT Service Manual - Page 57
Are the Turn Rolls clean and in good condition?, Does it operate correctly?
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Paper Jam/Misfeed Troubleshooting Procedure (cont'd.) Step Actions and Questions Yes No 15 1. Replace Tray 2. 2. Remove Tray 3 and place the tray in Feeder 1. 3. Place Tray 1 in Feeder 3. 4. Enter Service Diagnostics and select Test Print. 5. Run 20 to 25 test prints from tray 3. Did all prints complete successfully? The paper tray currently in Feeder 1 appears to be defective. Go to step 19. Go to step 16. 16 1. Remove the tray currently in Feeder 3. Go to step Replace the 2. Check the Nudger and Feed Rolls in Feeder 3 for 17. Feed Rolls contamination and wear. (RRP 11.11 on Are the Feed Rolls clean and in good condition? page 6-130). 17 Check the Tray 3 Turn Roller Assembly for Go to step Remove the obstructions, contamination, or wear. 20. obstruction, Are the Turn Rolls clean and in good condition? clean, or replace the Turn Roller Assembly (RRP 11.8 on page 6-127). 18 Perform Tray Motor Assembly Checkout on page 3-26 Check the Follow the to check the tray motor. paper tray for repair advice Does it operate correctly? contamina- in the tion, obstruc- checkout tions, broken procedure. or deformed parts. Replace the paper tray if necessary (PL 2.1 on page 7-6). 19 Perform Tray Motor Assembly Checkout on page 3-26 Check the Follow the to check the tray motor. paper tray for repair advice Does it operate correctly? contamina- in the tion, obstruc- checkout tions, broken procedure. or deformed parts. Replace the paper tray if necessary (PL 2.1 on page 7-6). 20 Replace the Feeder PWB (RRP 11.9 on page 6-128). If the problem persists, replace in this order: I Size PWB (RRP 11.19 on page 6-139) I Engine Logic Board (RRP 9.3 on page 6-89) 2-20 Phaser 4400 Laser Printer Service Manual
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