Main Drive Motor Control Jam Service Check - Lexmark MX71x Service Manual

Main drive motor control jam service check

Action
Step 1
Reseat the imaging unit, and then perform a print test.
Does the error remain?
Step 2
Replace the imaging unit.
Does the error remain?
Step 3
Make sure that the main drive motor and the socket TRANSPORT MTR on
the controller board are properly connected.
Does the error remain?
Step 4
Reset the printer.
Does the error remain?
Printhead motor control jam service check
Action
Step 1
Ensure the cables for sockets "MIR MTR" and "VIDEO" on the controller
card are properly connected and not damaged.
Are the cables connected and undamaged?
Step 2
Reset the machine.
Does the error continue?
Step 3
Reset the machine.
Does the error continue?
Yes
Go to step 2.
Go to step 3.
Replace the main drive
motor. See
motor removal" on
page
Replace the controller
board. See
board removal" on
page
Yes
Go to step 2.
Replace the printhead.
See
removal" on page
457.
Replace the controller
board. See
board removal" on
page
Diagnostic information
90
No
The problem is solved.
The problem is solved.
The problem is solved.
"Main drive
428.
The problem is solved.
"Controller
422.
No
Reseat the
connections.
Go to step 2.
Problem solved.
"Laser printhead
Problem solved.
"Controller
422.
7463