Lexmark W820 Service Manual - Page 90
Error Code Service Check, FINISHER MAIN BOARD
UPC - 734646210508
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4025-Finisher Step Actions and Questions Yes 3 ENCODER ASSEMBLY Problem Replace the Encoder Assembly. Enter Diagnostics and check solved the Stacker Tray Position 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? 4 FINISHER MAIN BOARD Problem Replace the Finisher Main Board. Go to "PWB Assembly- solved Main Removal" on page 4-132. Enter Diagnostics and check the Docking Interlock Switch function. Does the Interlock Switch test ok? 5 MCU BOARD Problem Replace the MCU Board. Refer to the Printer Service Manual. solved Enter Diagnostics and check the Docking Interlock Switch function. Does the 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 • Elevator Drive Unit • Elevator Belt • Stacker Tray • Stacker Tray Paper Sensor 982 - Error Code Service Check Logic control sensed that there is a problem at the Jogger Home F Sensor. No Go to step 4 Go to step 5 Go to step 6 Step Actions and Questions Yes No 1 SENSOR TEST Go to step 3 Go to step 2 Enter Diagnostics and check the Jogger Home F 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? 2-30 Service Manual