Lexmark W820 Service Manual - Page 87

4025-Finisher Step Actions and Questions Yes No 2 INTERLOCK TEST Go to step 4 Go to step 3 Enter Diagnostics and check the Exit Roll Interlock Switch function. Insert then remove a sheet of paper into the sensor. Does the Operator Panel LCD change between OP and CL as you insert then remove the paper? 3 EXIT ROLL INTERLOCK SWITCH Problem Go to step 4 Replace the Exit Roll Interlock Switch. Go to "Exit Assembly solved Removal" on page 4-145. Enter Diagnostics and check the Exit Roll Interlock Switch function. Insert then remove a sheet of paper into the sensor. Does the Operator Panel LCD change between OP and CL as you insert then remove the paper? 4 FINISHER MAIN BOARD Problem Go to step 5 Replace the Finisher Main Board. Go to "PWB Assembly- solved Main Removal" on page 4-132. Enter Diagnostics and check the Exit Roll Interlock Switch function. Insert then remove a sheet of paper into the sensor. Does the Operator Panel LCD change between OP and CL as you insert then remove the paper? 5 MCU BOARD Problem Go to step 6 Replace the MCU Board. Refer to the Printer Service Manual. solved Enter Diagnostics and check the Exit Roll Interlock Switch function. Does the Exit Roll Interlock Switch test ok? 6 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. • Wiring and connectors linking the FRUs 295 - Attendance Message Logic control sensed that either the Compiler Tray Paper Sensor did not deactuate within the specified time after the set started to output, or the Compiler Tray Paper Sensor did not deactuate within the specified time after the Sensor was actuated. 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 exiting the Complier Tray. Has the trail edge of the sheet of paper cleared the Compiler Tray Paper Sensor? Diagnostic Information 2-27