Datasheet

The B721dn and B731dn fit the way you work—
today and, through an array of performance-
enhancing options and upgrades, they can adapt
to match your future printing needs.
Both models come with 256 MB of memory and
630-sheet paper capacity. You can increase
memory to 768 MB
1
for processing large files
and add a 160 GB hard disk drive for file storage.
You can boost the paper capacity to a maximum
of 3,160 sheets. Options include up to three
additional 530-sheet paper trays or a 2,000-
sheet Large Capacity Feeder.
Also for fewer interventions, both models are
available with 18,000-page and high-capacity
25,000-page one-piece printer cartridges—
and the B731dn is available with an extra-high
capacity 36,000-page printer cartridge, as well.
2
These printers can also help control your impact
on the environment – B721dn and B731dn
printers offer a number of environmentally
friendly features, including:
• ENERGY STAR
®
compliance – With their lower
power consumption, these printers meet the
government’s standards for energy efficiency.
• Duplex (2-sided) printing – This technology
allows for savings in energy and resources,
in addition to using less media.
• One-piece consumables – Long-lasting,
user-replaceable printer cartridges remain
friendly to your budget while lowering the
number of items to dispose of or store.
• Low power consumption – These finely
engineered printers perform with low power
requirements during regular operation,
especially in Deep sleep mode.
Backed by legendary service and support –
OKI is so confident in the performance of the
B721dn and B731dn printers that they come with
a 1-Year On-Site warranty that can be increased
up to 5 years with options.
3
And, for live technical support 24/7/365, you can
call, toll-free, 800.OKI.DATA (800.654.3282) and
speak to an expert located in North America.
3
The B721dn and B731dn printers from OKI:
full-featured and energy-efficient monochrome
printers that can enhance the performance of
your demanding small- to mid-size workgroups.
Keeping up with your needs—and environmental concerns.
1
Memory DIMM sold separately.
2
Declared yield in accordance with ISO/IEC 19752.
3
Available in the U.S. and Canada only.
4
Published performance results based on laboratory
testing of simplex (1-sided) print speed. Individual
results may vary.
Optional 2nd, 3rd and 4th tray
configurations apply to both models
1200 x 1200 dpi resolution
High-speed USB and
1 Gigabit Internet connectivity
100-sheet multi-purpose feeder
Optional 530-sheet
3rd paper tray
Optional 530-sheet
4th paper tray
Backlit graphical display, alphanumeric keypad
Duplex (2-sided) printing standard
Up to 55 ppm print speed
4
Up to 49 ppm print speed
4
Optional 530-sheet 2nd paper tray
Optional 2,000-sheet
paper feeder
Convenient USB 2.0 port (applies to both models)
Optional 2nd tray and 2,000-sheet feeder
configuration applies to both models
B721dn
B731dn
Optional caster base
530-sheet standard paper tray
THE B721dn/B731dn Digital Mono Printers AT A GLANCE: