Lexmark 7462 series Service Manual page 111

Action
Step 5
Open and then properly close the rear door of the external duplex.
Does the problem remain?
Step 6
Check sensor (duplex exit) for proper operation, and if necessary
replace the sensor. See
(external duplex only)" on page
Does the problem remain?
Step 7
Check all cable connections on the external duplex assembly. If
necessary, reconnect the cables or replace the external duplex
assembly.
Does the problem remain?
Sensor (duplex exit) service check (external duplex only)
Action
Step 1
Check the sensor (duplex exit) for damage, and if necessary,
replace the external duplex unit assembly.
Does the problem remain?
Step 2
Check if the display on the operator panel changes every time the
sensing area of the media tray sensor (duplex exit) is interrupted
or blocked.
a
Enter the diagnostic mode.
b
Select Duplex tests.
c
Select Sensor test.
d
Observe the line item "exit."
If necessary, replace the connection or the external duplex unit
assembly.
Does the problem remain?
"Sensor (duplex exit) service check
111.
Diagnostic information
Yes
Go to step 6.
Go to step 7.
Contact next level of
support.
Yes
Go to step 2.
Contact next level of
support.
111
7462
No
Problem is solved.
Problem is solved.
Problem is solved.
No
Problem is solved.
Problem is solved.