Service Error Code Service Checks - Lexmark W820 - Optra B/W Laser Printer Service Manual

Service Error Code Service Checks

980 - Error Code Service Check
Logic control sensed that there is a communication problem between the printer and the Finisher.
Step Actions and Questions
1 RESET
Switch off the printer and the Finisher. Wait one minute, then
switch on the printer and the Finisher
Is the error code gone?
2 RESEAT
Disconnect then reconnect the Finisher from the printer.
Is the error code gone?
3 FINISHER MAIN BOARD
Replace the Finisher Main Board. Go to
Main Removal" on page
Does the Stapler function correctly?
4 MCU BOARD
Replace the MCU Board. Refer to the Printer Service Manual.
Check the Stapler function.
Does the Stapler function correctly?
5 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
981 - Stacker Tray Service Check
Logic control sensed that there is a problem with the Stacker Tray.
Step Actions and Questions
1 STACKER TRAY INSPECTION
Inspect the position of the Stacker Tray.
Has the Tray actuated the Stacker Height Sensor?
2 SENSOR TEST
Enter Diagnostics and check 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?
4025-Finisher
"PWB Assembly-
4-132. Check the Stapler function.
Yes No
Problem Go to step 2
solved
Problem Go to step 3
solved
Problem Go to step 4
solved
Problem Go to step 5
solved
Yes No
Go to step 3 Go to step 2
Go to step 4 Go to step 3
Diagnostic Information
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