Lexmark CS720 - Page 192

Action Yes No
Step 4
Replace the motor. See
“Motor (output) removal” on page 297.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Reset the printer.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
Replace the controller board. See
“Controller board removal” on
page 357.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Motor (duplex/MPF) service check
Action Yes No
Step 1
Reset the printer.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
a Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Motor tests >
Duplex/MPF
b Tou ch Start.
Does the motor run?
Go to step 3. Go to step 5.
Step 3
Open the front door, and then manually turn the duplex/MPF drive
gears.
Is there binding in the gears?
Go to step 4. Go to step 5.
Step 4
Replace the motor. See
“Motor (duplex/MPF) removal” on
page 315.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Check the motor cable for proper connection and damage, and
replace if necessary.
Does the problem remain?
Go to step 6. The problem is
solved.
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Diagnostic information
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