Lexmark 363dn Service Manual page 77

Step Questions / actions
6 Replace the ADF cable. POR the machine
into configuration mode. Go to the disable
scanner menu item. See
Scanner" on page
ADF/FB -Enabled and press
change. POR the MFP to operating mode.
Try running a copy from the ADF and
flatbed.
Did the 840.xx error recur?
7 Replace the ADF unit. See
on page 4-4. POR the machine into
configuration mode. Go to the disable
scanner menu item. See
Scanner" on page
ADF/FB -Enabled and press
change. POR the MFP to operating mode.
Run a copy from the ADF.
Did the 840.xx error recur?
8 Inspect JFBM1, J1 and J2 on the controller
board.
Are the connections properly connected?
9 Properly connect all the connections.
Did the 840.xx error recur?
10 Replace the flatbed unit. See
removal" on page
into configuration mode. Go to the disable
scanner menu item. See
Scanner" on page
ADF/FB -Enabled and press
change. POR the MFP to operating mode.
Run a copy from the flatbed.
Did the 840.xx error recur?
11 Replace the controller board. See
"Controller board removal" on page
Did this fix the problem?
"Disable
3-31. Select "Enable
to save the
"ADF removal"
"Disable
3-31. Select "Enable
to save the
"Flatbed
4-24. POR the machine
"Disable
3-31. Select "Enable
to save the
4-13.
Yes
Go to step 7.
Go to step 8.
Go to step 10.
Stop Problem solved.
Go to step 11.
Problem solved.
7013-XXX
No
Stop. Problem solved.
Stop. Problem solved.
Go to step 9.
Go to step 10.
Stop. Problem solved.
Contact second-level
support.
2-45
Diagnostics information