Mailbox Symptom Service Checks - Lexmark W820 Service Manual

Mailbox Symptom Service Checks

Inoperative Mailbox
The Mailbox does not function, the Mailbox Drive Motor does not switch on, and the
problem is not identified by a displayed Error Code.
Step Actions and Questions
1 INTERFACE CABLE INSPECTION
Check the Mailbox Interface Cable.
Is the cable firmly connected to the P/J at the rear of the
printer?
2 MAILBOX MOTOR TEST
Enter Diagnostic Mode - Output Bin Feed Test.
Select single bin to feed one sheet of paper to one bin.
Does the Mailbox Motor run?
3 MAILBOX ENTRANCE SENSOR TEST
Enter Diagnostic Mode - MBX Input Sensor.
Insert, then remove, a sheet of paper into the Sensor.
Does the Control Panel LCD change between OP and CL
as you insert then remove the paper?
4 COMPUTER/PRINTER CONNECTION CHECK
Run a simplex print job from the host computer, with output to
the Face Down Output Tray.
Does the printer process the simplex print job?
5 DRIVER SOFTWARE RELOAD
Reload the printer driver software.
Run a Mailbox print job from the host computer.
Does the printer process the Mailbox print job?
2-30
Service Manual
4025 Options
Yes No
Go to step 2 Reconnect
the Mailbox
Interface
Cable
Go to step 3 Go to step 6
Go to step 4 Go to step 6
Go to step 5 Reconnect or
replace the
computer/
printer
interface
cable or check
for a possible
computer
hardware
problem
Problem Replace the
solved Controller
Board (ESS
PWB). Go to
the service
manual for the
Removal and
Replacement
Procedure.