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Hardware Tests; Panel Test; Button Test; Dram Test - Dell 5310n - Workgroup Laser Printer B/W Service Manual

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HARDWARE TESTS

Select the following Hardware Tests from this menu:

Panel Test

Button Test

DRAM Test

ROM Memory Test
Parallel Wrap (if available)
Serial Wrap (if available)
Panel Test
This test automatically toggles each pixel of the operator panel through every contrast level beginning with the
darkest and on to the brightest. This test continues until you press Stop
Button Test
The Button Test verifies the operation of the buttons on the operator panel. When you select Button Test, a
diagram of the operator panel appears on the panel. When you press a button on the operator panel, an X
appears on the corresponding diagram. When you release the button, an X disappears. Pressing Back
Stop (
) cancels the test.
DRAM Test
The purpose of this test is to check the validity of DRAM memory, both standard and optional. The test writes
patterns of data to DRAM to verify that each bit in memory can be set and read correctly.
To run the DRAM Test:
Select DRAM Test from the menu.
1.
The message DRAM Test Testing... displays. Then the message Resetting Printer appears, and the
power indicator light blinks red.
Turn the printer off and on. While the DRAM test executes, the power indicator blinks green.
2.
The following type of message appears:
DRAM Test
P:######
xxx represents the installed DRAM size.
P:###### represents the number of times the memory test has passed and finished successfully.
Initially 000000 displays with the maximum pass count being 999,999.
F:##### represents the number of times the memory test has failed and finished with errors. Initially
0000 displays with the maximum fail count being 99,999. Initially only four digits appear, but
additional digits appear as needed.
Each time a test is completed, the number of pass and failures is incremented. If the test fails, the
message Failure displays for approximately three seconds, and the failure count increases by one.
The test continues until all standard and optional DRAM is tested. Once the maximum pass count or fail count is
reached, the test is stopped, the power indicator is turned on solid, and the final results display.
To stop the test before completion, press
xxx MB
F:####
.
.
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Diagnostic aids
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3-7

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