Sharp MX-C507P Service Manual page 161

Action
Step 3
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Sensor tests
b
Find the sensor (MPF/pass‑through).
Does the sensor status change while toggling the sensor?
Step 4
Check the sensor cable for proper connection and damage, and
replace if necessary.
Does the problem remain?
Step 5
a
Check the isolation unit for damage, and replace if necessary.
See "Isolation unit removal" on page
b
Perform a print job.
Does the problem remain?
Motor (duplex/MPF) jam service check
Action
Step 1
Check if this is a duplex issue.
Is this a duplex issue?
Step 2
Check the MPF tray for overfilling.
Is the tray overfilled?
Step 3
Remove the excess paper from the tray.
Does the problem remain?
Step 4
Check the paper condition in the MPF tray.
Is the paper crumpled or damaged?
Step 5
Replace the crumpled or damaged paper.
Does the problem remain?
409.
Diagnostics and troubleshooting
127
Yes
Contact the next
level of support.
Go to step 5.
Contact the next
level of support.
Yes
Go to step 6.
Go to step 3.
Go to step 4.
Go to step 5.
Go to step 6.
5028
No
Go to step 4.
The problem is
solved.
The problem is
solved.
No
Go to step 2.
Go to step 4.
The problem is
solved.
Go to step 6.
The problem is
solved.