Fujitsu M255XK Customer Engineering Manual page 58

5 1/4" mini-flexible disk drive
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4.4.14 Door Lock Inspection
Tools Required:
Phillips Screwdriver, M3
Scratch/Work Disk
Exerciser (AVA 409 or equivalent)
1.
Set Drive Select to DSO, refer to Figure 4-1, Table 4-5.
2.
Refer to Figure 4-21. Select the disk drive, with the front level released, to
activate the door lock solenoid and lock the door.
Figure 4-21 Door Lock Solenoid Activated
3.
Refer to Figure 4-22.
Deselect the disk drive.
Ensure that the door lock
solenoid is deactivated and the the door is released.
Figure 4-22 Door Lock Solenoid Deactivated
4.
Select and deselect the drive several times to ensure that the door lock
solenoid and stopper pin operate correctly.
TS-021-013087 ••• 01
4-26

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