Lexmark CX725 Service Manual page 208

Action
Step 6
Replace the controller board. See
page 409.
Does the problem remain?
Motor (K developer) service check
Action
Step 1
Reset the printer.
Does the problem remain?
Step 2
a
Remove the imaging kit, and then remove the transfer module.
See "Transfer module removal" on page
b
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Motor tests > K developer
c
Touch Start.
Does the motor run?
Step 3
Manually turn the drive gears.
Do the black developer and transfer module drive gears freely
turn?
Step 4
Replace the motor (EP drive). See
page 350.
Does the problem remain?
Step 5
Check the imaging kit components and transfer module for
damage or life expiration, and replace if necessary.
Does the problem remain?
Step 6
Check the cable on the motor and on the JCARTK connector on
the controller board for proper connection.
Is the cable properly connected at both ends?
"Controller board removal" on
388.
"Motor (EP drive) removal" on
Diagnostic information
208
Yes No
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 6.
Go to step 5. Go to step 4.
Go to step 5. The problem is
solved.
Contact the next The problem is
level of support. solved.
Go to step 8. Go to step 7.
7528