Action Yes No
Step 4
Replace the controller board. See “Controller board removal” on
page 257.
Does the problem remain?
Contact the next level
of support.
The problem is solved.
ADF/Scanner hardware errors
8yy error messages
Error code Description Action
840.01 The scanner is disabled and can’t be used. Go to “Scanner disabled error service check”
on page 151.
840.02
840.03
The scanner is disabled and can’t be used.
This message is posted when the MFP PORs.
Enter the configuration menu, and reenable the
scanner module.
Go to “Scanner disabled error service check”
on page 151.
841.xx Scanner failure—front side image processing
ASIC. Invalid configuration or ASIC not found
Image pipeline ASIC. See “CCD service
check” on page 155. Also, see “Flatbed
home position service check” on page 156.
842.xx Scanner failure—communications Go to “CCD service check” on page 155.
843.00 Scanner failure—carriage failed to Home or
move to desired position
Go to “ADF service check” on page 152.
843.01 ADF mechanical failure Go to “ADF service check” on page 152.
843.02 Generic Mechanical failure detected Go to “ADF service check” on page 152.
843.03 Pick Roller Engage Failure Go to “ADF service check” on page 152.
843.04 Pick Roller Disengage Failure Go to “ADF service check” on page 152.
843.05 Carriage overun Go to “ADF service check” on page 152.
843.06 ADF nudger Go to “ADF service check” on page 152.
843.99 Scanner complete timeout error Go to “ADF service check” on page 152.
849.01 Configuration error—the device had modem
installed, but configID indicates it should not.
Go to “Scanner configuration error service
check” on page 153.
849.10 Configuration error—the device had HD
installed, but configID indicates it should not.
Go to “Scanner configuration error service
check” on page 153.
7016
Diagnostic information
150
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