![background image](http://html1.mh-extra.com/html/okidata/ml393c-plus/ml393c-plus_service-manual_729925079.webp)
Page: 55
Service Guide ML393/ML393CPlus
Chapter 3 Maintenance
3.2.04 Upper Cover Assembly
Procedure
1. Disconnect the interface cable (1).
2. Remove the font cartridge or buffer expansion cartridge (2) if installed.
3. Detach the two platen knobs (3).
4. Remove the two cover mounting screws (4) at the rear of the printer.
5. Lift the rear access cover (5) to the open position.
6. Lift the upper cover assembly at the back and tilt it towards the front to remove it.
NOTES:
When installing the upper cover assembly, perform the actions listed below.
Move the release lever (6) towards the front of the printer.
Move the bail arm lever (7) towards the back of the printer.
Check that the paper bail moves properly.
When cleaning, refer to Section 3.4 of this Service Handbook.
The upper cover assembly includes the middle cover, the access cover, the rear cover, the bail lever, the
paper separator, and the sheet insertion guide. Refer to Appendix B of this Service Handbook for details.
The parts list appears on the following pages.