Sharp MX-C507P Service Manual page 239

LVPS service check
Action
Step 1
Reset the printer.
Does the problem remain?
Step 2
Check the LVPS cable on the JLVPS connector on the controller
board for proper connection.
Is the cable properly connected at both ends?
Step 3
Reconnect the cable.
Does the problem remain?
Step 4
Check the cable for damage, and replace if necessary.
Does the problem remain?
Step 5
Replace the LVPS. See
Does the problem remain?
Step 6
Replace the controller board. See
page 393.
Does the problem remain?
HVPS service check
Action
Step 1
Reset the printer.
Does the problem remain?
Step 2
Check the HVPS cable on the JHVPS connector on the controller
board for proper connection.
Is the cable properly connected at both ends?
"LVPS removal" on page
"Controller board removal" on
Diagnostics and troubleshooting
Yes
Go to step 2.
Go to step 4.
Go to step 4.
Go to step 5.
Go to step 6.
342.
Contact the next
level of support.
Yes
Go to step 2.
Go to step 4.
205
5028
No
The problem is
solved.
Go to step 3.
The problem is
solved.
The problem is
solved.
The problem is
solved.
The problem is
solved.
No
The problem is
solved.
Go to step 3.