Oki Data CONFIDENTIAL
43627911TH Rev. 3
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(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.
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