Lexmark W840 - Diagnostics Mode; Entering Diagnostics Mode; Available Tests

3-2 Options Service Manual
4024-XXX
Diagnostics mode
Entering Diagnostics mode:
1. Press and hold and .
2. Turn on the printer.
3. Release the buttons when Performing Self Test displays.
Available tests
The tests display on the operator panel in the order shown:
Diagnostics mode tests
MOTOR TESTS See “MOTOR TESTS” on page 3-5
Transport mtr
Fuser cooling fan
PC unit cooling fan
Toner add mtr
Drum unit mtr
Registrat clutch
Tray 1 feed mtr
Tray 2 feed mtr
Tray 3 feed mtr
Tray 4 feed mtr
Tray 5 feed mtr
MPF pick solenoid
Transport clutch
Duplex drv mtr
Diverter solenoid
Exit2 cooling fan
Exit1 shift mtr
Exit2 shift mtr
Exit2 drive mtr
PRINT TESTS
Tray 1 See “Input source tests” on page 3-5
Tray 2
Tray 3 (if installed)
Tray 4 (if installed)
Tray 5 (if installed)
MP Feeder
Prt Quality Pgs See “Print quality pages (Prt Quality Pgs)” on page 3-6