Lexmark W820 Service Manual page 93

Step Actions and Questions
7 DUPLEX EXIT GATE INSPECTION
1. Open the Inner Chute.
2. Check the Duplex Exit Gate and Gate Spring.
Is the Duplex Exit Gate in place on the Inner Chute, is the
Gate unbroken, does it pivot freely on the Inner Chute, and
does it have a spring-action return?
8 DUPLEX PWB REPLACEMENT
Replace the "Duplex PWB and Bracket" on page
Does the error code appear?
9 MCU PWB REPLACEMENT
Replace the printer Engine Board (MCU PWB). Go to the
Printer Service Manual for Removal and Replacement
Procedures
Does the error code appear?
10 I/O PWB REPLACEMENT
Replace the I/O PWB. Go to the printer service manual for the
Removal and Replacement Procedure.
Does the error code appear?
11 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, one at a time, until you isolate
and solve the problem.
•
Wiring and connectors linking the FRUs
•
Fuser Drive Assembly - Go to the printer service manual for
the Removal and Replacement Procedure.
•
Fuser Assembly - Go to the printer service manual for the
Removal and Replacement Procedure.
4025 Options
4-7.
Yes No
Go to step 8 Reinstall the
Exit Gate and
Spring or
replace the
Exit Gate and
Spring. Go to
the printer
service
manual for the
Removal and
Replacement
Procedure.
Go to step 9 Problem
solved
Go to step 10 Problem
solved
Go to step 11 Problem
solved
Diagnostic Information
2-11