OKI 45439001 用户手册
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Full-featured, energy-efficient monochrome
printers for mid-size workgroups
B721dn/B731dn
OKI and
The Environment
ENERGY STAR
®
Compliant
Superior energy efficiency
Toner Save Mode
Reduces amount of consumables used
Duplex (2-sided) Printing
Saves energy and resources
LED Technology
Long printhead life; energy efficiency
Low Power Consumption
Takes less energy to operate