Mailbox; Mailbox Error Code Table - Lexmark W820 Service Manual

Step Actions and Questions
5 DRIVE BELT INSPECTION
1. Remove the Duplex Cover and reinstall the coverless Unit onto the
printer.
2. Reconnect the Duplex Interface Cable to the P/J at the rear of the
printer.
3. Enter Diagnostic Mode - Duplex Quick Test to run the Duplex
Motor.
4. Inspect the various belts and gears driven by the Duplex Motor.
Are any of the drive belts slipping or any of the drive gears
not rotating?
6 DUPLEX PWB REPLACEMENT
Replace the
Does the Duplex Unit function normally?
7 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
•
I/O PWB - Go to the Printer Service Manual for the Removal
and Replacement Procedure.

Mailbox

Mailbox Error Code Table

This table lists all of the Mailbox related Error Codes that are generated by the printer
Engine Board (MCU PWB).
Depending on the level of firmware on your printer Engine Board (MCU PWB) some
codes listed may be invalid, some codes generated by the MCU may not appear in this
table, and Error and Message Code text presented may differ slightly from the Error and
Message Code text that is actually generated by your MCU.
Error Code
280
281
4025 Options
"Duplex PWB and Bracket" on page
Description
Logic Control on the MCU PWB sensed that the Mailbox Entrance Sensor did
not actuate within the specified time after the Fuser Exit Sensor was actuated.
Go to "Error Code 280" on page
Logic Control on the MCU PWB sensed that the Mailbox Entrance Sensor did
not deactuate within the specified time after the sensor was actuated. Go to
"Error Code 281" on page
Yes
Replace the
problem belt
or gear
Problem
solved
4-7.
2-20.
2-22.
No
Go to step 6
Go to step 7
Diagnostic Information
2-19