Accessing Service Menus - Lexmark MB790MFP Service Manual

Accessing service menus

There are different test menus that can be accessed during POR to identify problems with the printer.
Diagnostics Menu
1 2
ABC DEF
4 5
GHI JKL MNO
7 8
PQRS TUV WXYZ
*
0
Configuration Menu
1 2
ABC DEF
4 5
GHI JKL MNO
7 8
PQRS TUV WXYZ
*
0
1. Turn off the printer.
2. Press and hold the 3 and 6
3
buttons simultaneously for
about 10 seconds.
6
3. Turn on the printer.
4. Release the buttons after 10
9
seconds.
#
1. Turn off the printer.
2. Press and hold the 2 and 6
3
buttons simultaneously for
about 10 seconds.
6
3. Turn on the printer.
4. Release the buttons after 10
9
seconds.
#
The Diagnostics Menu group consists of menus,
settings, and operations that are used to diagnose
various printer problems.
Note: While the Diagnostics menu group is active,
all host interfaces are offline.
See "Diagnostics Menu" on page 3-8
information.
The Configuration Menu group contains a set of
menus, settings, and operations which are
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 3-28 for more information.
7462
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Diagnostic aids