Oki ML421 Maintenance Manual - Page 104
The alarm LED Blinks
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Oki Data CONFIDENTIAL 2 No spacing operation (The alarm LED Blinks) Is carriage assembly binding or jammed? No Yes Check around space motor to repair the mechanism of space rack, back up roller, ribbon feed mechanism, and carriage frame etc. Replace Space motor assy. Remedied? No Yes End Replace Control Board. Remedied? No Yes End Replace Carriage cable. 42113901 Rev.2 104 /
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42113901
Rev.2
104 /
Oki
Data
CONFIDENTIAL
2
No spacing operation
(The alarm LED Blinks)
Is carriage assembly binding or jammed?
No
Yes
Check around space motor to repair the mechanism of space rack, back up roller,
ribbon feed mechanism, and carriage frame etc.
Replace Space motor assy.
Remedied?
No
Yes
End
Replace Control Board.
Remedied?
No
Yes
End
Replace Carriage cable.