Oki B721 User Manual

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Cleaning
5
Maintenance
●● Cleaning
This section explains how to clean each part of your printer.
Cleaning the Surface of the
Printer
Note
● Do not use benzine, thinners, or alcohol as a cleaning
agent. They may damage the plastic parts of the printer.
● Do not lubricate your printer with oil.
1 Turn off your printer by pressing the
power switch.
Reference
● “Turning On/Off the Power” P.28
2 Wipe the surface of the printer with a
soft cloth lightly moistened with water or
neutral detergent.
3 Dry the surface of the printer with a dry
soft cloth.
Cleaning LED Heads
Clean the LED heads if vertical lines appear,
images are fading vertically, or the periphery of
letters is smudged in the printouts. Dirt on the
LED heads may also cause paper jams.
Note
● Do not use methyl alcohol or thinners as a cleaning agent.
They may damage the LED heads.
● Do not expose the image drum to direct sunlight or very
bright interior light (approximately more than 1,500 lux).
Even under the normal interior light, do not leave it for
more than 5 minutes.
1 Turn off your printer by pressing the
power switch.
Reference
● “Turning On/Off the Power” P.28
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

Oki B721 Specifications

General

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