Diagnostic aids 3-11
5022-xxx
Hardware Tests
Panel Test
This test verifies the operator panel LCD function.
To run the Panel Test:
1. Select HARDWARE TESTS from DIAGNOSTICS.
2. Select Panel Test.
The Panel Test continually executes.
3. Press 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 HARDWARE TESTS in the Diagnostics mode.
2. Press each button one at a time, and an X appears in the box that represents that button.
When you press Back ( ) or Stop ( ), the test ends.
Press Back or Stop to cancel the test.
DRAM Test
This test checks the validity of DRAM, 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 HARDWARE TESTS in DIAGNOSTICS. The power indicator blinks indicating the test is
in progress.
Note: Turn off the printer to exit the test before the test is complete.
P:###### represents the number of times the memory test has passed and finished successfully. Initially,
000000 displays with the maximum pass count being 99,999.
F:##### represents the number of times the memory test has failed and finished with errors. Initially, 00000
displays with the maximum fail count being 99,999.
Once the maximum pass count or fail count is reached, the test is stopped, the power indicator turns on solid,
and the final results appear. If the test fails, SDRAM Error appears for approximately three seconds and the
failure count increases by 1.
DRAM Test 128M
P:###### F:#####
Button Test
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