Sensor (Hpu Finisher Pass Through) Jam Service Check - Lexmark MX71x Service Manual

Sensor (HPU finisher pass through) 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 lower interface cable. If damaged, then replace the lower
interface cable. See "Staple, hole punch lower interface cable removal"
on page 861.
Remove the left cover. Reseat the cable J15 on the controller board, then
POR the machine.
Does the error remain?
Step 3
Check the auto connector end of the machine below the finisher.
Is it free of damage?
Step 4
a
Open the rear door and check the sensor (trailing edge) and sensor
(leading edge):
• Check the sensor flag for damage. If damaged, then replace the
finisher. See "Staple, hole punch finisher option removal" on
page 840.
• Make sure the sensor is aligned and properly seated.
b
Do a sensor test. Enter Diagnostics Menu and navigate to :
FINISHER TESTS > Finisher Sensor Test > Pass and Media
Does the display on the operator panel change every time the sensing
area of the sensor tested is interrupted or blocked?
Step 5
Open the rear door, and check:
• if the rear door opens and closes properly
• the rollers for damage
Are the rear door components functional and free of damage?
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
Go to step 6.
Diagnostic information
193
7463
No
The problem is solved.
The problem is solved.
Replace the upper
interface cable of the
machine under the
finisher.
Replace the finisher.
See "Staple, hole
punch finisher option
removal" on page
840.
Replace the finisher.
See "Staple, hole
punch finisher option
removal" on page
840.