Oki ML420 Maintenance Manual page 104

No spacing operation
2
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.
42113901TH01 Rev.3
(The alarm LED Blinks)
Oki Data CONFIDENTIAL
104 /