Lexmark W812 - Diagnostic Aids; Using the Operator Panel Diagnostics Menu; Entering Diagnostic Mode; Exiting Diagnostic Mode

Diagnostic Aids 3-1
4022-XXX
3. Diagnostic Aids
This chapter explains the tests and procedures to identify printer failures and verify
repairs have corrected the problem.
Use the Diagnostic Mode to run the various tests. Use the Configuration Mode to change
various printer settings.
Using the Operator Panel Diagnostics Menu
Entering Diagnostic Mode
Press and hold Go and Return as you turn on the printer to access Diagnostic Mode.
While the Diagnostic Menu is active, all host interfaces are offline.
Exiting Diagnostic Mode
To exit diagnostic mode and POR the printer into normal user mode, select EXIT
DIAGNOSTICS.
Top-level Menu
Intermediate Menu,
Printer Setting, or
Operation
Value List
PRINT TESTS
Tray 1 Single
Continuous
Tray 2
Only displayed if Tray 2 is
installed.
Single
Continuous
Tray 3
Only displayed if Tray 3 is
installed.
Single
Continuous
MP Feeder Single
Continuous
Print Quality Pages Go to “Print Quality Service
Checks” on page 2-18.
HARDWARE TESTS
LCD Test Go to “LCD Hardware Test” on
page 3-7.
Button Test Go to “Button Test” on
page 3-7.
DRAM Memory Test Go to “DRAM Memory Test” on
page 3-7.
ROM Memory Test Go to “ROM Memory Test” on
page 3-8.