Diagnostic Information 2-31
4025-XXX
Error Code 980
There is a communication problem between the printer and a failing
option.
Logic Control on the printer MCU PWB could not initialize the failing option within the
specified time. Determine which option is failing by looking at the second line message of
the 980 error code displayed.
Step Actions and Questions Yes No
1 RESET
Turn off the printer.
Wait one minute, then turn on the printer.
Is the error code gone?
Problem
solved
Go to step 2
2 RESEAT
Disconnect then reconnect the failing option from the printer.
Is the error code gone?
Problem
solved
Go to step 3
3 LVPS +5VDC CHECK
Measure the voltage between J400-1 and FG, and between
J400-2 and FG on the printer MCU PWB.
Is there +5VDC between J400-1 and FG, and +5VDC
between J400-2 and FG?
Go to step 4 Go to the
“Printer
Wiring
Diagrams”
on page 5-14
to
troubleshoot a
loss of +5VDC
4 FAILING OPTION PWB REPLACEMENT
Replace the failing option PWB. Go to the Options Service
Manual for the Removal and Replacement Procedure.
Does the error code appear?
Go to step 5 Problem
solved
5 MCU PWB REPLACEMENT
Replace the “Engine Board (MCU PWB)” on page 4-92.
Does the error code appear?
Go to step 6 Problem
solved
6 The following printer 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 the steps in this Service Check, 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
• I/O PWB - Go to “I/O PWB” on page 4-89.
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