Device Tests; Quick Disk Test; Disk Test/Clean - Lexmark 13P0150 - C 750dtn Color Laser Printer 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 block is good, the saved data is written back
to the disk.
To run the Quick Disk Test:
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Disk Test/Clean

WARNING: This test destroys all data on the disk and should not be attempted on a
good disk. Also note that this test may run approximately 1 1/2 hours depending on the
disk size.
To run the Disk Test/Clean Test:
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Service Manual
Select the Quick Disk Test from the Device Tests menu.
The power indicator blinks while the test is in progress.
"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 Go, Return, or Stop to return to the Device Tests menu.
Select Disk Test/Clean from the Device Tests menu.
"Files will be lost/Go or Stop?" message displays to warn the user that all contents
on the disk will be lost.
To exit the test immediately and return to the Device Tests menu, press Return/Stop.
To continue with the test, press Go.
If Go is selected, "Disk Test/Clean/BAD:000000 00%" message displays. The screen
updates periodically indicating the percentage of test completed and the number of
bad blocks found.
The power indicator blinks during the test. The test can be canceled anytime during
the test by pressing Return/Stop.
Once the test is complete, the power indicator turns on solid and a message
displays.
"xxxx Bad Blocks/yyyyyy Usable" message displays if fewer than 2000 bad blocks
are detected. xxxx indicates the number of bad blocks and yyyyyy indicates the
number of usable blocks.
"xxxx Bad Blocks/Replace Disk" message displays if more than 2000 bad blocks are
detected. The disk cannot be recovered because too many bad blocks exist on the
disk.
Press Go or Return/Stop to return to the Device Tests menu.
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