Lexmark 4059-XXX Manual Do Utilizador
![Lexmark](https://files.manualsbrain.com/attachments/878cae5fca737841ce37f41a7ee73881a8b54f60/common/fit/150/50/823435a5b9c868f91a4b7f8b99ddfd9b9c699edf1f6ff104003e82a92d7f/brand_logo.png)
3-9
4059 Service Manual
4059-XXX
Hardware Tests
The following Hardware Tests can be selected from this menu:
LCD Test
Button Test
DRAM Memory Test
ROM Memory Test
Parallel Wrap (if available)
Serial Wrap (if available)
Serial 1 Wrap (if available)
Serial 3 Wrap (if available)
LCD Test
To run the LCD Test:
1. Select LCD Test from the Diagnostic menu.
– The LCD test continually executes the LCD display test.
2. Press Return/Stop to cancel the test.
Button Test
To run the Button Test:
1. Select Button Test from the Diagnostic menu.
– With no buttons pressed several OP (Open) appear on the
display.
2. Press each button one at a time and a CL (Closed) displays in
place of an OP. The proper operation of each button can be
checked.
checked.
3. Press Return/Stop to cancel the test.