Lexmark W820 Service Manual - Page 81

4025-Finisher Step Actions and Questions Yes No 6 H-TRA INPUT SENSOR Problem Go to step 8 Replace the H-Tra Input Sensor. Go to "Sensors Removal" solved on page 4-20. Enter Diagnostics and check the H-Tra Input Sensor 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? 7 H-TRA GATE SOLENOID Problem Go to step 8 Replace the H-Tra Gate Solenoid. Enter Diagnostics and solved check the H-Tra Gate Solenoid 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? 8 FINISHER MAIN BOARD Problem Go to step 9 Replace the Finisher Main Board. Enter Diagnostics and check solved the H-Tra Input Sensor 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? 9 MCU BOARD Problem Replace the MCU Board. Refer to the Printer Service Manual. solved Enter Diagnostics and check the H-Tra Input Sensor function. Does the H-Tra Input Sensor test ok? 288 - Attendance Message Logic Control sensed that the Finisher Path Sensor did not deactuate within the specified time after it 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 in the Finisher. Has the trail edge of the sheet of paper cleared the Finisher Path Sensor? 2 SENSOR TEST Go to step 4 Go to step 3 Enter Diagnostics and check the Finisher Path Sensor 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? Diagnostic Information 2-21