Sensor (Mailbox Pass Through) Jam Service Check - Lexmark MX81 Series Service Manual

Error code Description
457.34 Stapler not ready to perform priming operation
457.87 Stapler failed to prime the staple wire after a stapling
operation
457.88 Stapler failed to prime the staple wire after a homing
operation
457.89 Stapler failed to prime after a stapling operation
457.90 Stapler failed to prime before a stapling operation

Sensor (mailbox pass through) jam service check

Action
Step 1
Check the auto connector end of the printer below the mailbox.
Is it free of damage?
Step 2
Check the lower interface cable. If damaged, replace the lower interface
cable. Go to "Mailbox lower interface cable removal" on page
Re-seat the connector (J1A) on the controller PCBA, then POR the
machine.
Does the error remain?
Step 3
Open the rear door and check the two sensors (pass through) for proper
operation. Enter Diagnostics Menu and navigate to:
Output bin tests > Sensor test
Does the display on the operator panel change every time the sensing
area of the above sensors are interrupted or blocked?
Step 4
Open the rear door and check the sensors (pass through). If damaged,
then replace the mailbox assembly. Go to
on page 624.
Re-seat the sensor connections (J3T and J3B) on the controller PCBA. POR
the machine.
Does the error remain?
634.
"Mailbox assembly removal"
Diagnostic information
188
Action
1
POR the printer.
2
Reseat all the installed output options on the
printer.
3
Clear obstructions along the paper path.
4
Make sure that the sensors (pass through) are
free from obstructions.
5
Close the rear door properly.
If the problem remains, then go to
jam service check" on page
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
7463
"Stapler carriage
200.
No
Replace the damaged
upper interface cable
of the printer.
The problem is solved.
Go to step 4.
The problem is solved.