Sharp MX-C507P Service Manual page 221

Digital full color laser printer
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Excess options service check
Action
Step 1
Perform a POR, and then resend the print job.
Does the problem remain?
Step 2
If applicable, make sure that the internal option is supported.
Does the problem remain?
Step 3
a
If applicable, remove all internal options.
b
Perform a POR, and then resend the print job.
Does the problem remain?
Step 4
Check if the number of internal options installed is allowed, and
then remove the excess option.
Does the problem remain?
Step 5
Check the number of input options allowed, and then remove the
excess input options.
Does the problem remain?
Step 6
Check the controller board pins for damage.
Are the pins free of damage?
Step 7
Replace the controller board. See
page
393.
Does the problem remain?
"Controller board removal" on
Diagnostics and troubleshooting
187
Yes
Go to step 2.
Go to step 3.
Go to step 6.
Go to step 5.
Go to step 6.
Contact the next
level of support.
Contact the next
level of support.
5028
No
The problem is
solved.
The problem is
solved.
Go to step 4.
The problem is
solved.
The problem is
solved.
Go to step 7.
The problem is
solved.

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