Sharp MX-C507P Service Manual page 266

Action
Step 3
a
Enter the Diagnostics menu, and then navigate to:
Additional input tray diagnostics > Sensor tests
b
Find the sensor (Pick roller index (tray [x])).
Does the sensor status change while toggling the sensor?
Step 4
Check the cable that connects the sensor (tray [x] pick roller index)
to the controller board.
Are both ends of the cable properly seated?
Step 5
Reseat the cable.
Does the problem remain?
Step 6
Check the sensor cable for damage.
Is the cable free of damage?
Step 7
Replace the sensor. See
on page 426.
Does the problem remain?
Step 8
Check the cable that connects the motor (tray [x] pick) to the
controller board.
Are both ends of the cable properly seated?
Step 9
Reseat the cable.
Does the problem remain?
Step 10
Check the motor (tray [x] pick) for proper operation and noise.
a
Remove the tray insert.
b
Enter the Diagnostics menu, and then navigate to:
Additional input tray diagnostics > Motor tests > Pick (tray [x])
c
Select Pick (tray [x]) lifting, and then touch Start.
Does the motor run or does it sound normal?
"Sensor (550-sheet tray index) removal"
Diagnostics and troubleshooting
Yes
Go to step 8.
Go to step 6.
Go to step 6.
Go to step 7.
Go to step 8.
Go to step 10.
Go to step 10.
Go to step 13.
232
5028
No
Go to step 4.
Go to step 5.
The problem is
solved.
Go to step 12.
The problem is
solved.
Go to step 9.
The problem is
solved.
Go to step 11.