Sharp MX-C507P Service Manual page 94

Action
Step 9
Replace the transfer module. See
page 371.
Does the problem remain?
Step 10
Check the contacts on the imaging unit and the developer of the
missing color for dust or debris.
Are the contacts free of dust or debris?
Step 11
Clean the contacts between the developer and the imaging unit.
Does the problem remain?
Step 12
•
If the missing color is cyan, magenta, or yellow, then replace
the developer unit of the missing color.
•
If the missing color is black, then replace the imaging unit.
Does the problem remain?
Step 13
Check if the spring-loaded pins in the HVPS freely move in and out
with an equal amount of spring force.
Do the pins freely move?
Step 14
Replace the HVPS. See
Does the problem remain?
Step 15
a
Remove the imaging kit.
b
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Motor tests
c
Go to the appropriate developer unit motor test for the missing
color, and then touch Start.
Does the motor run?
Step 16
Replace the defective EP drive motor. See
removal" on page 333.
Does the problem remain?
"Transfer module removal" on
"HVPS removal" on page
"Motor (EP drive)
Diagnostics and troubleshooting
Yes
Go to step 10.
Go to step 12.
Go to step 12.
Go to step 13.
Go to step 15.
Go to step 15.
356.
Go to step 17.
Go to step 17.
60
5028
No
The problem is
solved.
Go to step 11.
The problem is
solved.
The problem is
solved.
Go to step 14.
The problem is
solved.
Go to step 16.
The problem is
solved.