Device Tests; Flash Test; Quick Disk Test; Disk Test/Clean - Lexmark C950 Service Manual

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DEVICE TESTS

Flash Test

This test appears only when a non-defective flash memory is installed. Data is written to the flash card and read
back to check the accuracy. This test destroys all data stored on the flash device.
Warning: This test deletes all data stored on the flash device. After the test is over, reformat the flash using
Format Flash in the customer Utilities Menu.
To perform this test:
1. From the Diagnostics Menu, navigate to DEVICE TESTS > Flash Test.
Contents will be lost. Continue? appears. Touch Yes to continue, or touch No to return to DEVICE
2.
TESTS.
Flash Test Testing... appears while the test is running.
3.
When the test is complete, Flash Test Test Passed or Flash Test Test Failed appears.
4.

Quick Disk Test

This menu item appears only when a non-defective disk is installed. This test performs a non-destructive read/
write on one block per track on the disk. Once executed, the test cannot be canceled.
To perform this test:
1. From the Diagnostics Menu, navigate to DEVICE TESTS > Quick Disk Test.
Quick Disk Test Testing DO NOT POWER OFF appears.
2.
When the test is complete, Quick Disk Test Test Passed or Quick Disk Test Test Failed appears.
3.

Disk Test/Clean

Warning: This test performs a low-level format of the hard disk which will destroy all data and should never be
performed on a good disk. This test will only be used when the disk contains bad data and is
unusable.
Note: This process does not erase any information stored on the device's NAND.
To perform this test:
From the Diagnostics Menu, navigate to DEVICE TESTS > Disk Test/Clean.
1.
Contents will be lost. Continue? appears. Touch Yes to continue, or touch No to return to DEVICE
2.
TESTS.
Once the test starts, it cannot be stopped.
3.
When the test is complete, Disk Test/Clean Test Passed or Disk Test/Clean Test Failed appears.
4.

DUPLEX TESTS

Quick Test (Duplex)

The Duplex Quick Test is used to verify the correct placement of the top margin on the back side of a duplexed
page. When a user selects this setting, the device prints a duplexed version of the Quick Test page that can be
used to adjust the duplex top margin setting.
Service Manual
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