Backup Roller Holder Assy 3 - Oki ML421 Maintenance Manual

3.3.10 Backup Roller Holder Assy
(1) Remove the printhead (see 3.3.1),
(2) Remove the upper cover (see 3.3.4 (1) – (5)).
(3) Remove the gear case Assy (see 3.3.5).
(4) Remove the space motor (see 3.3.7).
Remove the backup roller spring 2.
(5)
Disengage claws (2 places) of roller holder from the carriage frame 1, and remove the

backup roller holder assy 3.

(6) To install, follow the removal steps in the reverse order.
Note: Small round hole with metal tip on back up roller holder assy 3 should be facing
up when installing.
42113901 Rev.2
Oki Data CONFIDENTIAL
Claw (2 places)
3
2
66 /