Lexmark 16C0365 - 5500 MFP Service Manual page 19

Number of CCD
Error message
lamp flashes
12 Flatbed may be locked. Please
check to make sure that the
flatbed is unlocked and restart the
system. If the flatbed is already
unlocked, this may be a Home
Sensor Failure.
No beeps SCSI command not supported
No beeps Invalid field in CDB
Description and action
Unlock the flatbed. See "Moving the scanner" on
page 5-3 for information about the locking mechanism.
If the flatbed is unlocked and the problem persists, check
the connection of the cable to the flatbed optical unit.
Replace the optical unit if necessary.
Scanner communication error.
Check the 1394 cable connections. If the problem remains,
replace the main scanner card. If the persists, replace the
MFD controller card.
Scanner communication error.
Check the 1394 cable connections. If the problem remains,
replace the main scanner card. If the persists, replace the
MFD controller card.
4036-402
Diagnostic information
2-5