Lexmark Optra 4049 Series, Service Manual

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3-1
4049-XXX
3. Diagnostic Aids
Diagnostics Mode
To run the remainder of the printer diagnostic tests described in this
chapter, you must put the printer in Diagnostics mode.
To enter Diagnostics mode:
1. Turn the printer off.
2. Press and hold the Ready and Return buttons. Then turn the
printer on. The printer performs the Power-On Self Test.
3. Release the buttons when [Performing Self Test] is displayed.
4. You can exit Diagnostics mode without a POR by selecting
[Reset Printer].
Diagnostics Mode Menu Structure
The following is the Diagnostics mode menu structure, The indented
items are submenus available under the main menu items, which are
in capital letters on the operator panel. Menu items referring to
options will only be present if those options are installed. Menus with
more than four items will use [MORE] on the fourth operator panel
button to access the next screen of selections.
PRINT TESTS
Print Test 1
Print Test 2
Print Test 3
Envelope Print Test
PRINT REGISTRATION
Left Margin
Top Margin
Bottom Margin
Quick Test
HARDWARE TESTS
LCD Test
Sensor Tests
Toner Low