Lexmark MB2236, Service Manual

Page: 168 / 317

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