Quality Pages; Clean Engine Test; Lcd Hardware Test; Button Test - Lexmark Optra SC 1275 Service Manual

Quality Pages

This function causes the printer to print the Print Quality Test Pages.
Once started, this operation cannot be canceled. All key presses are
ignored while the Prt Quality Pgs Printing message is displayed.

Clean Engine Test

Use this test to perform a cleaning cycle on the engine specifically
on the second transfer mechanism. The value list is YES and NO. To
cancel the test, press Return or Stop.

LCD Hardware Test

This test causes the printer to continually execute the LCD display
test. To cancel the test, press Return or Stop.

Button Test

This test verifies the operation of each button on the operator
panel. When you select this test the following appears on the
display:
OP OP OP OP
OP OP
When you press a button, CL (closed) appears on the display. When
the button is not pressed, OP (open) is displayed. If the wrong mes-
sage displays, the button is malfunctioning.
To exit the button test, press Return or Stop. The previous menu
screen displays when the button is released.

DRAM Memory Test

This test checks the validity of DRAM (both standard and optional).
The test involves writing patterns of data to DRAM to verify that each
bit in memory can be set and read correctly. When this test is
selected, the following screen displays and the printer begins testing
DRAM memory for the first time:
DRAM Memory Test
P:###### F:#####
Diagnostic Information 2-51