Sharp MX-C507P Service Manual page 285

99y errors
99y error messages
Error code
990.xx
991.xx
992.xx
Options communication error service check
Action
Step 1
a
Check if the firmware is updated, and then update the firmware
if necessary.
b
Make sure that the printer supports the option. See the Printer,
Option, and Stand Compatibility Guide.
c
Make sure that the option is properly attached to the printer or
adjacent option.
d
Reset the printer.
Does the problem remain?
Step 2
Reseat the printer interface cable on the printer controller board.
Does the problem remain?
Step 3
Do the following to each option:
a
Reinstall the option.
b
Print a test page, and then check if the option is defective.
Are all options properly working?
Step 4
Reseat the option interface cable.
Does the problem remain?
Step 5
Check the option interface cable for damage.
Is the cable free of damage?
Description
An equipment check condition occurred, but
the exact component failure was not
determined.
An equipment check condition occurred in
the controller card.
General software error.
Diagnostics and troubleshooting
Action
"Options communication error
See
service check" on page
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
Go to step 6.
251
5028
251.
No
The problem is
solved.
The problem is
solved.
Contact the next
level of support
The problem is
solved.
Go to step 7.