Oki Data CONFIDENTIAL
42930511TH Rev. 2 74 /
(3) Installation of Duplex-Unit
A duplex unit is used for printing both sides of papers.
Note!
More memory is required for duplex-printing. Where the print speed become slow, the
memory space lacks, either set up the print-quality “clear” or “normal” or installation of
the extension memory are recommended.
1. Power off printer and remove power supply cord and printer cable.
Note!
Installing options to printers while the printers are powered on may cause a problem with
the printers.
2. Hold a knob on the left side of printer.
Button
Lever
Cover
OFF
Power supply cord
Printer cable
Knob
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