Diagnostic Aids; Accessing Service Menus - Lexmark E450DN - E 450dn B/W Laser Printer Service Manual

3. Diagnostic aids

This chapter explains the tests and procedures to identify printer failures and verify repairs have corrected the
problem.

Accessing service menus

There are different test menus that can be accessed during POR to identify problems with the printer.
Diagnostics Mode
Configuration Menu
Flash system code
mode
To run the printer diagnostic tests described in this chapter, you must put the printer in Diagnostic Mode.
1. Turn off the printer.
2. Press and hold and
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.
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
.
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
.
infrequently required by a user. Generally, the
options made available in this menu group are
used to configure a printer for operation.
"This selection exits Diagnostics mode,
See
and Resetting the Printer displays. The
printer performs a POR, and the printer returns
to normal mode." on page 3-25
information.
4512-630
for more
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3-1
Diagnostic aids