Lexmark CS720 Service Manual page 189

Action
Step 9
Replace the motor (Y developer). See
on page 296.
Does the problem remain?
Step 10
Replace the controller board. See
page 357.
Does the problem remain?
Motor (BOR) service check
Action
Step 1
Reset the printer.
Does the problem remain?
Step 2
a
Remove the transfer module. See
on page 334.
b
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Motor tests > Black only
retract
c
Touch Start.
Does the motor run?
Step 3
Manually turn the BOR gear on the transfer module.
Does the gear freely turn?
Step 4
Replace the transfer module. See
page 334.
Does the problem remain?
Step 5
Check the cable on the motor and on the JBOR1 connector on the
controller board for proper connection.
Is the cable properly connected at both ends?
"Motor (EP drive) removal"
"Controller board removal" on
"Transfer module removal"
"Transfer module removal" on
Diagnostic information
189
Yes No
Go to step 10. The problem is
solved.
Contact the next The problem is
level of support. solved.
Yes No
Go to step 2. The problem is
solved.
Go to step 3. Go to step 5.
Contact the next Go to step 4.
level of support.
Go to step 9. The problem is
solved.
Go to step 7. Go to step 6.
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