Sharp MX-C507P Service Manual page 147

Action
Step 9
Check the sensor cable for proper connection and damage, and
replace if necessary.
Does the problem remain?
Step 10
Replace the isolation unit. See
page 409.
Does the problem remain?
Step 11
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Motor tests >
Duplex/MPF
b
Select a setting, and then touch Start.
Does the motor run?
Step 12
Check the motor cable for proper connection and damage, and
replace if necessary.
Does the problem remain?
Step 13
a
Replace the motor. See
page 352.
b
Perform a print job.
Does the problem remain?
Step 14
Check the duplex drive gears in the printer for damage, and
replace if necessary.
Does the problem remain?
Step 15
a
In the duplex inner guide, check the drive gears, belts, and
pinch rollers for damage. Replace the duplex inner guide if
"Duplex inner guide removal" on page
necessary. See
b
Perform a print job.
Does the problem remain?
"Isolation unit removal" on
"Motor (duplex/MPF) removal" on
Diagnostics and troubleshooting
Yes
Go to step 10.
Go to step 11.
Go to step 14.
Go to step 13.
Go to step 14.
Go to step 15.
Contact the next
level of support.
328.
113
5028
No
The problem is
solved.
The problem is
solved.
Go to step 12.
The problem is
solved.
The problem is
solved.
The problem is
solved.
The problem is
solved.