Lexmark E450DN Service Manual - Page 59

Diagnostic aids, Accessing service menus, Resetting the Printer

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4512-630 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 1. Turn off the printer. 2. Press and hold and . The Diagnostics Mode group contains the settings and operations used while manufacturing and servicing the printer. See "Diagnostics mode" on page 3-2 for more information. Configuration Menu 3. Turn on the printer. 4. Release the buttons when Performing Self Test displays. 1. Turn off the printer. 2. Press and hold and . Flash system code mode 3. Turn on the printer. 4. Release the buttons when Performing Self Test displays. 1. Turn off the printer. 2. Press and hold , , and . 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 "This selection exits Diagnostics mode, and Resetting the Printer displays. The printer performs a POR, and the printer returns to normal mode." on page 3-25 for more information. 3. Turn on the printer. 4. Release the buttons when Performing Self Test displays. To run the printer diagnostic tests described in this chapter, you must put the printer in Diagnostic Mode. Diagnostic aids 3-1

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Diagnostic aids
3-1
4512-630
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.
To run the printer diagnostic tests described in this chapter, you must put the printer in Diagnostic Mode.
Diagnostics 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.
The Diagnostics Mode group contains the settings
and operations used while manufacturing and
servicing the printer.
See
“Diagnostics mode” on page 3-2
for more
information.
Configuration Menu
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 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
“This selection exits Diagnostics mode,
and
Resetting the Printer
displays. The
printer performs a POR, and the printer returns
to normal mode.” on page 3-25
for more
information.
Flash system code
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.