Diagnostic Aids; Service Menus-E120; Printing Menus; Moving Around The Menu - Lexmark E120 Service Manual

3. Diagnostic aids

This chapter explains the tests and procedures to identify printer failures and to verify that repairs have
corrected the problem.
There are different test menus that can be accessed during POR to identify problems with the printer.
Service menus—E120

Printing menus

To enter Diagnostics mode, turn off the printer, open the front access cover, press and hold
the printer. Close the cover when the
Print menus by pressing and holding
page 3-2.

Moving around the menu

The menu items are designated by the non-indented items listed along the left edge of the page (bottom as
printed from the printer). These items are also un-shaded.
•
Press and release
•
Press and hold
•
Press and release
This action rotates only through the possible settings of the selected menu item.
light displays.
until the lights flash. See
to move sequentially from one menu item to another.
to jump to home state (top four lights on).
to move through the menu settings.
"Diagnostics mode printout sample" on
Diagnostic aids
4506-1xx
while turning on
3-1