Lexmark T520 - 20ppm 8MB Par USB Pcl6 Ps3 Ppds Service Manual page 32

4520-xxx
Error Code
931-935
Printhead Error
932 - Printhead:
Lost Hsync
933 - Mirror Motor
Locks/Lost Hsync
934 - Mirror Motor
Lost Lock
935 - Mirror Motor
unable to reach
operating speed.
936-937
Transport Motor
936 - Main Drive
Motor initial lock
failure
937 - Main Drive
Motor lost lock
939 Controller -
Engine
Communications
Error
2-4
Service Manual
Action
These errors represent a problem with the printhead. Go
to the "Printhead Service Check" on page
Indicates a problem with the main drive motor. Go to the
"Main Drive Service Check" on page
The controller board and the engine board cannot
communicate with one another. The controller board,
engine board or interconnect board is defective. Check
each board for correct installation and secure ground. If
no problem is found, replace the FRUs in the following
order:
1. Controller board
2. Engine board
3. Interconnect board
Note: The controller software also can cause a 939 error
code. Contact your next level for software support.
2-87.
2-77.