Lexmark T652 Service Manual - Page 168

4062 Step Check Check the MPF pick roll assembly. Is the above component free of excess wear and contamination? Yes Go to step 3. No Clean or replace the MPF pick roll assembly. Go to "MPF pick roll assembly removal (T650, T652, T654)" on page 4-38. 2 3 Perform a MPF print test and check the MPF pick solenoid for proper operation. Does the above component operate properly? Go to step 4. Replace the MPF pick solenoid. Go to "MPF pick solenoid assembly removal (T650, T652, T654)" on page 4-39. 4 Check the MPF lift plate assembly for damage. Is the above component free from damage? Go to step 5. Replace the MPF lift plate assembly. Go to "MPF lift plate assembly removal (T650, T652, T654)" on page 4-37. 5 6 Check all the media trays for proper media installation. Is the media properly installed in all the media trays? Check all of the media trays and the media path for partially fed media. Are the media trays and the media path free from any partially fed pieces of media? Go to step 6. Remove and properly re-install the media. Remove any prestaged or jammed media. Go to step 8. Go to step 7. 7 Check the sensor (input) for proper operation. 1. Enter the diagnostic mode 2. Select Base sensor test 3. Observe the line item "input" Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked. Go to step 9. 8 Check the above sensor for proper connection. Is the above sensor connected properly? Replace the Sensor (input). Go to "Sensor (input) removal (T650, T652, T654)" on page 4-71. Replace the connection. 9 Perform a print test. Does the problem remain? Contact next highest level of tech support. Problem solved. 2-134 Service Manual