Lexmark W820 Service Manual - Page 75

4025-Finisher Step Actions and Questions Yes No 5 PATH PAPER INSPECTION Go to step 6 Replace the Inspect the Drive Rolls in the Finisher, especially the Input Rolls and the Registration Rolls. suspect Drive Rolls Are all of the Drive Rolls in the Finisher clean and free of obvious wear and damage? 6 DRIVE TRAIN TEST Go to step 7 Replace the Enter Diagnostics and select Output Bin Tests. Select Feed Test, Output Bin 2 to run the Finisher Main Feed Motor. Finisher Main Feed Motor Does the Finisher Main Feed Motor run smoothly? 7 DRIVE TRAIN INSPECTION Go to step 8 Replace the Inspect the drive train, including belts, pulleys, and gears, of the entire Finisher Assembly from the Finisher Main Feed Motor to the Registration Rolls. suspect belts, pulleys, and gears Does the entire drive train of the Finisher Assembly appear to be in good condition, with no damaged or slipping belts and no chipped or broken pulleys or gears? 8 The following Finisher FRUs and areas are associated with this specific problem. One or more of these FRUs or areas may have failed partially or completely. If you cannot isolate this problem using these steps, replace each FRU or troubleshoot each area listed below, one at a time, until you isolate and solve the problem. • H-Tra drive train FRUs, including gear, belts, and rolls. 283 - Attendance Message Logic Control sensed that the H-Tra Exit sensor was not actuated within a specified time after the H-Tra Input Sensor was deactuated. Step Actions and Questions Yes No 1 PATH LOCATION INSPECTION Go to step 2 Go to step 5 Inspect the position of the sheet of paper on the H-Tra. Has the lead edge of the sheet of paper actuated the H-Tra Exit Sensor? 2 SENSOR TEST Go to step 4 Go to step 3 Enter Diagnostics and check the H-Tra Exit Sensor function. Does the H-Tra Exit Sensor test ok? 3 H-TRA EXIT SENSOR Problem Go to step 4 Replace the H-Tra Exit Sensor. Go to "Sensors Removal" on solved page 4-20. Enter Diagnostics and check the H-Tra Exit Sensor function. Does the H-Tra Exit Sensor test ok? Diagnostic Information 2-15