Oki B721 User Manual

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When an Error Message is Displayed on the Display Screen
4
Troubleshooting
3 Open the rear cover (4) by pulling the
lock (3) lever on the back side of the
printer toward you.
3
4
4 Check for jammed paper inside the
printer. If jammed paper remains,
remove it.
5 Return the rear guide (5) to its original
position then close the rear cover (4).
4
5
6 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
7 Pull out the duplex unit (7) by holding
the grips (6) on its both sides.
6
6
7
Note
● The duplex unit cannot be removed. If it is forcibly
removed, it may be damaged.

Oki B721 Specifications

General

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