Lexmark W820 Service Manual - Page 96
PWB Assembly, Main Removal, on Cartridge Removal, on Stapler I Assembly,
UPC - 734646210508
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Page 96 highlights
4025-Finisher Step Actions and Questions Yes 6 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 Sensor and/or Punch Assembly 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 MCU BOARD Problem Replace the MCU Board. Refer to the Printer Service Manual. solved Enter Diagnostics and check the Sensor and/or Punch Assembly function. Does the Sensor and/or Punch Assembly test ok? 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. • Wiring and connectors linking the FRUs. • Broken or damaged FRUs within the Punch Assembly area or along the paper path. 987 - Error Code Service Check Logic control sensed that the Stapler failed. No Go to step 7 Go to step 8 Step Actions and Questions Yes No 1 STAPLER INSPECTION Go to step 2 Clear the Inspect the Stapler for broken parts, jammed staples, or staples or obvious signs of damage. replace the Does the Stapler appear to be in good condition, with no jammed staples or obvious signs of damage? damaged FRUs 2 STAPLER CARTRIDGE Problem Go to step 3 Replace the Stapler Cartridge. Go to "Cartridge Removal" solved on page 4-101. Does the Stapler function correctly? 3 STAPLER ASSEMBLY Problem Go to step 4 Replace the Stapler Assembly. Go to "Stapler I Assembly solved Removal" on page 4-92. Does the Stapler function correctly? 2-36 Service Manual