Diagnostic Aids; Accessing Service Menus - Lexmark W850n Service Manual

3. Diagnostic aids

This chapter explains the tests and procedures to identify printer failures and verify repairs have corrected the
problem.
Diagnostics are built into the printer RIP card assembly and can be accessed from the printer operator panel.

Accessing service menus

There are different test menus that can be accessed during POR to identify problems with the printer.
Diagnostics Mode
1 2
4 5
7 8
0
Configuration Menu
1 2
4 5
7 8
0
Flash system code
mode
To run the printer diagnostic tests described in this chapter, you must put the printer in Diagnostics Mode.
1. Turn off the printer
2. Press and hold
3
6
9
3. Turn on the printer.
4. Release the buttons when
#
Performing Self Test
displays.
1. Turn off the printer.
2. Press and hold
3
6
9
3. Turn on the printer.
4. Release the buttons when
#
Performing Self Test
displays.
1. Turn off the printer.
2. Press and hold
and .
3. Turn on the printer.
4. Release the buttons when
Performing Self Test
displays.
The Diagnostics Mode group contains the settings
and operations used while manufacturing and
and .
servicing the printer.
See "Diagnostics mode" on page 3-2
information.
The Configuration Menu group contains a set of
menus, settings, and operations which are
and .
infrequently required by a user. Generally, the
options made available in this menu group are used
to configure a printer for operation.
See "Configuration menu (CONFIG MENU)" on
page 3-19 for more information.
, ,
4024-110
for more
3-1
Diagnostic aids