Lexmark CS720 Service Manual page 80

Action
Step 14
a
Replace the motor. See
318.
b
Perform a print job.
Does the problem remain?
Step 15
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Motor tests > K
developer‑transfer
b
Touch Start.
Does the motor run?
Step 16
Check the cable on the JCARTK connector on the controller board
for proper connection and damage, and replace if necessary.
Does the problem remain?
Step 17
a
Replace the motor (K cartridge). See
removal" on page
b
Perform a print job.
Does the problem remain?
Sensor (fuser exit): Paper failed to clear service check
Action
Step 1
a
From the home screen, touch Settings > Device > Preferences.
b
Check if the paper size matches the size set on the tray guides.
Does the paper size match the size set on the tray?
Step 2
Change the paper size or adjust the size setting in the tray.
Does the problem remain?
Step 3
Check the redrive paper path for paper jams and fragments.
Is the paper path free of jams and fragments?
"Motor (fuser) removal" on page
"Motor (EP drive)
296.
Diagnostic information
Yes
Go to step 15.
Contact the next
level of support.
Go to step 17.
Contact the next
level of support.
Yes
Go to step 3.
Go to step 3.
Go to step 5.
80
5028
No
The problem is
solved.
Go to step 16.
The problem is
solved.
The problem is
solved.
No
Go to step 2.
The problem is
solved.
Go to step 4.