Lexmark MX71 series, Service Manual

Page: 65 / 807

Printhead motor control jam service check
Action Yes No
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?
Go to step 2. Reseat the
connections.
Go to step 2.
Step 2
Reset the machine.
Does the error continue?
Replace the printhead.
See “Laser printhead
removal” on page
314 .
Problem solved.
Step 3
Reset the machine.
Does the error continue?
Replace the controller
board. See “Controller
board removal” on
page 372 .
Problem solved.
Fuser drive motor control jam service check
Action Yes No
Step 1
Check the fuser drive motor and the socket “J24” on the controller board
for proper connection.
Is the main drive motor properly connected?
Replace the fuser drive
motor. See “Fuser
drive motor removal”
on page 374 .
Go to step 2.
Reseat the connection.
Step 2
Reset the machine.
Does the error continue?
Replace the controller
board. See “Controller
board removal” on
page 372 .
Problem solved.
Sensor (input) miscellaneous jam 1 service check
Action Yes No
Step 1
Check the appropriate media tray sensor (pass through) in the appropriate
input option for proper operation.
a
Enter the diagnostic mode.
b
Select Input tray tests.
c
Select Sensor test.
d
Select the appropriate input tray.
Observe the line item “pass through” for the appropriate media tray.
Does the display on the control panel change every time the sensing area
of the above sensor is interrupted or blocked?
Go to step 3 . Go to step 2.
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Diagnostic information
63