Even if you run the test fur only a short time, your printer may store many characters in its memory. To stop printing, take the printer off-line and then turn it off.

Hard Disk Drive and Controller Check

Use this option to test the performance of the hard disk drive installed in your computer. If any errors occur, have your dealer check and service the drive.

WARNING

As a precaution against losing data on your hard disk, you should back up your hasd disk before running these checks.

When you select option 17 from the DEVICE LIST, you see this menu:

HARD DISK DRIVE AND CONTROLLER CHECK MENU

1 - Seek check

2 - Write, read check

3 - Read, verify check

4 - Run all above check

0 - Exit

Enter selection number:

Press the number corresponding to the test you want to run and press Enter. When you are finished with all checks, press 0 and Enter to return to the DEVICE LIST menu.

Seek Check

This test checks the ability of the read/write heads to locate any part of the hard disk. This action by a read/write head is called a seek. During this test, each head seeks each cylinder of the disk in sequence, starting from the innermost cylinder.

Performing System Diagnostics

D-25