Sensor (Throat Media Present) Jam Service Check - Lexmark MX71x Service Manual

Sensor (throat media present) jam service check

Action
Step 1
a
POR the printer.
b
Reseat the installed output option on the printer.
c
Clear obstructions along the paper path.
d
Make sure that the sensors (pass through) are free from obstructions.
e
Close the rear door properly.
Does the error remain?
Step 2
Check the auto connector end of the printer below the staple finisher.
Is it free of damage?
Step 3
Check the lower interface cable. If damaged, then replace the lower
interface cable. See "Stapler/offset stacker lower interface cable
removal" on page 754.
Remove the left cover. Reseat the cable J15 on the controller board, then
POR the machine.
Does the error remain?
Step 4
Check the stapler rear door:
•
Open the rear door, and check if it closes properly.
•
Check the rear door rollers and locking mechanism for damage.
Is the stapler rear door functional and free of damage?
Step 5
Open the stapler rear door. Remove all obstructions along the paper path
and roller assembly.
Does the error remain?
Step 6
Open the left and right cover, then do the following:
a
Check the sensor flag (throat media present) for damage. Toggle the
sensor flag and check if it has no problem moving.
b
Reseat the cable J8 on the controller board. Do a staple test. Enter
Diagnostics menu, and then navigate to:
FINISHER TESTS > Staple Test
Does the error remain?
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
Go to step 6.
Replace the sensor
(throat media present).
See
media present)
removal" on page
788.
If the error persists,
then go to step 7.
Diagnostic information
189
No
The problem is solved.
Replace the upper
interface cable of the
printer.
The problem is solved.
Replace the stapler
rear door assembly.
See "Stapler/offset
stacker rear door
removal" on page
724.
The problem is solved.
The problem is solved.
"Sensor (throat
7463