Lexmark CX825 Service Manual page 535

Symptom
A persistent Empty the hole punch box
message appears.
A persistent Close door N message appears.
HPT door undetected service check
Action
Step 1
a
Check the HPT and multiposition staple, hole punch finisher for
proper installation.
b
Open door K and clear paper jams, fragments, and obstructions
along the paper path.
c
Enter the Diagnostics menu, and then touch Output bin quick
feed.
d
Select a bin and test type, and then start the test.
Does the problem remain?
Step 2
a
Enter the Diagnostics menu, and then navigate to:
Output device diagnostics > Sensor tests > Horizontal paper
transport
b
Find the sensor (Jam access door).
Does the sensor status change while toggling the sensor?
Step 3
Reseat the sensor cable, and then check the sensor for
misalignment and damage.
Are the sensor and actuator properly installed and free of damage?
Step 4
Reinstall or replace the sensor. See
removal" on page 876.
Does the problem remain?
Step 5
Reseat the HPT controller board cables, and then check the cables
for damage.
Are the cables free of damage?
Action
See "MSHPF hole punch box error service
check" on page
See "Door N undetected service check" on
page 545.
"Sensor (hole punch unit)
Diagnostic information
535
542.
Yes
Go to step 2.
Go to step 5.
Go to step 5.
Go to step 5.
Go to step 7.
7564
No
The problem is
solved.
Go to step 3.
Go to step 4.
The problem is
solved.
Go to step 6.