22 head cleaning, 1 function description, 2 operations – Toshiba PORTEGE M400 User Manual

Page 174

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3 Tests and Diagnostics

3.22 Head Cleaning

3-56

[CONFIDENTIAL]

PORTEGE M400 Maintenance Manual (960-541)

3.22 Head

Cleaning

3.22.1 Function

Description

This function cleans the heads in the FDD by executing a series of head load/seek and read
operations. A cleaning kit is necessary to perform this program.

3.22.2 Operations

1. Selecting test 4 from the DIAGNOSTIC MENU and pressing Enter displays the

following messages:

DIAGNOSTICS - FLOPPY DISK HEAD CLEANING : VX.XX

Mount cleaning disk(s) on drive(s).

Press any key when ready.

2. Remove the Diagnostics Disk from the FDD, then insert the cleaning disk and press

Enter.

3. When the

“cleaning start”

message appears, the FDD head cleaning has begun.

4. The display automatically returns to the DIAGNOSTIC MENU when the program is

completed.

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