Hardware Tests; Lcd Test; Button Test - Lexmark C752 Service Manual

5060-2XX

Hardware Tests

The following hardware tests can be selected from this menu:

LCD Test

Button Test

DRAM Test
Cache Test
ROM Test
Parallel Wrap (if available)
Serial Wrap (if available)
Serial 1 Wrap (if available)
Serial 2 Wrap (if available)
Serial 3 Wrap (if available)
LCD Test
This test verifies the operator panel LCD function.
To run the LCD Test:
1.
Select LCD Test from the Diagnostics Menu.
The LCD test continually executes the LCD display test.
2.
Press Return or Stop to cancel the test.
Button Test
This test verifies the operator panel button function.
To run the Button Test:
1.
Select Button Test from the Diagnostics Menu.
With no buttons pressed, several OP (Open) messages are displayed.
OP OP
2.
Press each button one at a time and a CL (Closed) displays in place of OP. The proper operation of each
button can be checked.
3.
Press Return or Stop to cancel the test.
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Service Manual
OP OP
OP OP