Lexmark X543 User Manual

2-66 Service Manual
7525-xxx
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Scanner / Copy / Fax service checks
840.xx service check
Step Questions / actions Yes No
1 POR the machine into configuration mode.
Go to the disable scanner menu item. See
“Disable Scanner” on page 3-36. Select
“Enable ADF/FB -Enabled and press to
save the change. POR the MFP to operating
mode. Try running a copy from the ADF and
flatbed.
Did the 840.xx error recur?
Go to step 2. Stop. Problem resolved.
2 Re-enter Configuration mode, scroll to and
select the Disable Scanner menu item.
Does the screen display ADF Disabled or
Auto Disabled?
Go to step 3. Go to step 8.
3 Check the ADF cable connections on the
ADF relay card and the controller board.
Also inspect JFBM1, JHS1 and JCCD1 on
the controller board.
Are the connections properly connected?
Go to step 5. Go to step 4.
4 Properly connect the connections on the
ADF relay card and controller board. POR
the machine into configuration mode. Go to
the disable scanner menu item. See
“Disable Scanner” on page 3-36. Select
“Enable ADF/FB -Enabled and press to
save the change. POR the MFP to operating
mode. Try running a copy from the ADF and
flatbed.
Did the 840.xx error recur?
Go to step 5. Stop. Problem solved.
5 Check the continuity on the ADF cable.
Is there continuity?
Go to step 7 Go to step 6.
6 Replace the ADF cable. POR the machine
into configuration mode. Go to the disable
scanner menu item. See “Disable
Scanner” on page 3-36. Select “Enable
ADF/FB -Enabled and press to save the
change. POR the MFP to operating mode.
Try running a copy from the ADF and
flatbed.
Did the 840.xx error recur?
Go to step 7. Stop. Problem solved.

Lexmark X543 Specifications

General

Brand	Lexmark
Model	X543
Category	All in One Printer
Language	English