Drive Motor Error; Paper Exit Motor Error - Lexmark C920 Service Manual

.90 90 Lxkfax
The 900 error occurred while the Lxkfax process was running.
.91 91 Faxcntl
The 900 error occurred while the Faxcntl process was running.
.92 92 Fax_Print
The 900 error occurred while the Fax_Print process was running.
.99 99 900
The 900 error occurred outside of a process context (for example, during kernel boot or
other kernel operation).

910 - Drive Motor Error

Step Questions/actions
1 Is CN18 on the printer controller board properly
connected?
2 Are connectors CN1 and CN5 on the motor drive board
properly connected?
3 Is connector CN9 on the CK2 daughter board
connected properly?
4 Did replacement of the motor drive board solve the
problem?
5
Did replacement of the CK2 daughter board solve the
problem?
6 Did replacement of the controller board solve the
problem?
7 Did replacement of all supplies solve the problem?

911 - Paper Exit Motor Error

Step Questions/actions
1 Is connector CN9 on the printhead controller board
securely connected?
2 Did replacement of the paper exit motor solve the
problem?
Yes No
Go to step 2. Connect CN18.
Go to step 3. Connect CN1
and CN5.
Replace the Connect CN9.
motor drive board
and go to step 4.
Problem solved. Replace the CK2
daughter board,
and go to step 5.
Problem solved. Replace the
printer controller
board, and go to
step 6.
Problem solved. Replace all
supplies, and go
to step 7.
Problem solved. Replace the drive
motor.
Yes No
Replace the face- Plug the
down unit, and go connector in
to step 2. securely.
Problem solved. Replace the
printhead
controller board.
Diagnostic information
5056-XXX
2-9