Lexmark MX81 series - Flatbed Scanner and ADF Communications Failure Service Check

Error code Description Action
842.xx A communication failure has occurred
between the controller and the
ADF/scanner.
See “Flatbed scanner and ADF communications failure service
check” on page 134.
843.00 The flatbed scanner carriage home
position is not detected by the sensor
(flatbed scanner home position).
See “Flatbed scanner home position error service check” on
page 135.
843.07 The ADF elevator tray home position is not
detected by the sensor (ADF elevator tray
home position).
See “ADF elevator tray home position error service check” on
page 136.
843.15 The ADF elevator tray has stalled. See “ADF elevator tray motor stalled error service check” on
page 137.
843.18 The ADF elevator tray motor did not turn
off at the appropriate time.
See “ADF elevator tray motor time-out error service check”
on page 137.
845.02 An error has occurred during the
initialization process with the flatbed
scanner CCD.
See “Flatbed scanner CCD initialization error service check” on
page 139.
845.03 An error has occurred during the
initialization process with the ADF scanner
CCD.
See “ADF scanner CCD initialization error service check” on
page 139.
Flatbed scanner and ADF communications failure service check
Action Yes No
Step 1
Check all connections for proper connectivity on the flatbed scanner
controller board, ADF controller board, and all connections on the
controller board in the printer.
Are the above connections properly connected?
Go to step 2. Replace connections.
Step 2
Perform a flatbed scanner test.
Does the problem remain?
Replace the flatbed
scanner controller
board. See “Flatbed
scanner PCBA
removal” on page
515.
Problem solved.
Step 3
Perform an ADF scanner test.
Does the problem remain?
Replace the ADF
controller board. See
“ADF controller card
removal” on page
454.
Replace the
connection.
7463
Diagnostic information
134