Oki B721 User Manual

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When an Error Message is Displayed on the Display Screen
4
Troubleshooting
6 Open the upper cover (8) of the duplex
unit and check for jammed paper in the
duplex unit. If jammed paper remains,
pull it out gently. Then, close the upper
cover (8).
8
7 Return the duplex unit (6) to its original
position.
6
8 Close the front cover (2).
2
Removal of jammed paper is completed.
Error Code 372
A paper jam has occurred around the front
cover.
1 Insert your nger into the recess on
the right side of the printer and pull the
front cover open lever (1) to open the
front cover (2) forward.
Note
● Open the front cover gently. If you open it rapidly,
the MP Tray may open.
1
2
2 Remove the jammed paper gently in
the direction of the arrow if an edge of
jammed paper can be seen, and then go
to step 10. If you cannot nd jammed
paper, go to step 3.

Oki B721 Specifications

General

Print Technology	LED
Resolution	1200 x 1200 dpi
Processor	533 MHz
Memory	256 MB
Connectivity	USB, Ethernet
Duplex Printing	Standard