Scanner Errors - Lexmark X4500 Service Manual

Scanner Errors

Scanner Errors are errors detected within the scanner mechanism and auto document
feeder assembly. These errors appear on the user interface touch screen along with a
number of flashes of the flatbed CCD lamp (the flash sequence is repeated 10 times).
See the following table for an explanation of each error code and the corrective action to
resolve the problem.
Number of CCD
Lamp Flashes
1
2
3
4
5
6
7
8
None
None
2-4
Service Manual
4036-304
Error Message Displayed
to UI
Oasis 1 SDRAM failure
Oasis 2 SDRAM failure
CPU SDRAM failure
Flatbed A/D Dark Calibration
Error
ADF A/D Dark Calibration
Error
Home Sensor failure
Flatbed Lamp failure
ADF Lamp failure
SCSI Command Not
Supported
Invalid field in CDB
Action
Replace the main scanner
board.
Replace the main scanner
board.
Replace the main scanner
board.
Replace the flatbed optical
unit assembly. If problem
persists, replace the main
scanner board.
Replace the ADF optical unit.
If problem persists, replace the
main scanner board.
Check the flatbed motor, belt
and home position sensor for
proper operation. Replace any
defective parts. If no defective
parts are found, replace the
main scanner board.
Check the flatbed optical unit
for proper connection.
Replace the flatbed optical
unit if necessary.
Check the ADF optical unit for
proper connection. Replace
the ADF optical unit if
necessary.
Replace the main scanner
board.
Replace the main scanner
board.