Device Tests - Oki MB 780 Service Manual

DEVICE TESTS

Quick Disk Test
This test performs a non-destructive read/write on one block per track on the disk. The
test reads one block on each track, saves the data, and proceeds to write and read four test
patterns to the bytes in the block. If the Next block is good, the saved data is written back
to the disk.
To run the Quick Disk Test:
• Select Quick Disk Test from the DEVICE TESTS menu.
The power indicator blinks while the test is in progress, and quick Disk Test Testing...
displays.
• Quick Disk Test/Test Passed message displays if the test passes, and the power
indicator turns on solid.
• Quick Disk Test/Test Failed message displays if the test failed, and the power indicator
turns on solid.
• Press Stop to exit the test.
Disk Test/Clean
Warning:
Also note that this test may run approximately 1½ hours depending on the disk size.
• Select Disk Test/Clean from the DEVICE TESTS menu.
Contents will be lost. Continue? message displays to warn that all contents on the
disk will be lost.
• Select Yes to continue or No to exit. If Yes is selected, the following screen displays
and updates periodically, indicating the percentage of test completed.
• Once the test is complete, the power indicator turns on solid, and either the
message Disk Test/Clean Test Passed or Disk Test/Clean Failed appears. If
the message indicates failure, the disk is unusable.
This test destroys all data on the disk and should not be attempted on a good disk.
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DO NOT POWER OFF
The power indicator blinks during the test.
Note: The test can NOT be canceled.
Formatting Disk
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