Oki B721 User Manual

- 122 -
Replacing Print Cartridges
5
Maintenance
●● Replacing Print Cartridges
If the B721/B731 is Used
Life Span of a Print Cartridge
When the [Print Cartridge Near Life] message
is displayed on the display screen of the operator
panel, prepare a replacement print cartridge.
You can keep printing approximately 250 sheets
until the next message is displayed.
When [Print Cartridge Life] is displayed and
printing is stopped, replace the print cartridge.
Note
● The actual life of the print cartridge differs depending on
the usage.
Replacement Procedure
1 Prepare a new print cartridge.
2 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
3 Remove the print cartridge (3).
Note
● When toner powder adheres to the paper feeding
area inside the printer, wipe it off with a wet cloth
that has been well wrung.
3
4 Take out the new print cartridge from its
bag and remove the desiccant attached
to it.
5 Place a new print cartridge (4) into the
printer.
4

Oki B721 Specifications

General

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