Lexmark T650 Service Manual - Page 173

Sensor (narrow media) late jam service check. Use this procedure for the following jams: • 201.04 • 201.56 • 201.06 • 201.79 • 201.29 • 201.81 • 201.31 4062 • 201.54 Step Check Yes No 1 Check the media size setup and tray guides for all media trays. Go to step 2. Does the media size, in use, match the size set for all media trays? Replace the media, or change the media size setup. 2 Check all the media trays for proper media installation. Is the media properly installed in all the media trays? Go to step 3. Remove and properly re-install the media. 3 Check the fuser unit assembly for damage and life expiration. Replace the fuser Go to step 4. unit assembly. Is the above component damaged or has it exceeded life? Go to "Fuser unit assembly removal (T650, T652, T654)" on page 4-23. 4 Check the fuser unit assembly for obstructions. Is the above component free from obstructions? Go to step 5. Remove obstructions. 5 Check the sensor (narrow media) for proper operation. Go to step 7. Go to step 6. 1. Enter the diagnostic mode 2. Select Base sensor tests 3. Observe the line item "output" Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked. 6 Check the above sensor for proper connection. Is the above sensor connected properly? Replace the fuser unit assembly. Go to "Fuser unit assembly removal (T650, T652, T654)" on page 4-23. Replace the connection. 7 Check the aligner assembly for obstructions. Is the above component free from obstructions? Go to step 8. Remove obstructions. 8 Check the transfer roll assembly for damage. Is the above component free from damage? Go to step 9. Replace the transfer roll assembly. Go to "Transfer roll assembly removal (T650, T652, T654)" on page 4-78. Diagnostic information 2-139