ADF/Scanner hardware errors
84y error messages
Error code Description Action
840.01 The scanner is disabled by the administrator. See
“Scanner disabled and scanner
communication error service check” on
page 175.
840.02 The scanner is disabled for other reasons. For
example, invalid license, and too many hardware
errors.
842.00 Non‑responsive scanner communication failure.
842.01 Hardware protocol scanner communication
failure.
842.02 Logical protocol scanner communication failure.
843.00
• Scanner mechanical failure.
• The flatbed carriage failed to return to the
home position.
See
“Flatbed home position service check” on
page 176.
Sensor (scan) service check
Action Yes No
Step 1
a Open the ADF door, and then remove the jammed paper.
b Make sure that the paper path is free of obstructions.
c Raise the ADF assembly, and then make sure that the scan area
is free of dust and obstructions.
d Make sure that the scanner paper setting matches the paper
loaded.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
a Clean the ADF pick rollers and separator pad.
b Enter the Diagnostics menu, and then navigate to:
Scanner diagnostics > Feed test
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
a Check the ADF pick and feed rollers for wear, damage, and
contamination.
b Check the ADF pick separator pad for wear, damage,
contamination, and spring load.
c Check if the ADF door properly closes.
Is the ADF pick assembly properly installed and free of damage?
Go to step 5. Go to step 4.
3400-48x
Diagnostics and troubleshooting
168
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