Oki C5500 Maintenance Manual page 53

(3) Installation of duplex unit
This unit is used for printing on two sides of paper.
Note!
For two-sided printing, it is recommended to add an expansion memory. For details,
see "Expansion memories."
Type: DXU-C4D
Turning OFF the printer power and disconnecting the power cord
Note! If an expansion memory is installed with the power switched ON, the printer may be
broken.
Peeling the protective tapes off the duplex unit
Install Duplex Unit
1) Insert the duplex unit into the lower part on the back of the printer as far as it will
go.
2) Ensure that the claw on either side of the duplex unit is securely accommodated
in the hole of the printer.
43085101TH Rev.1
O I
Protective tapes (2)
Holes
Claws
Two-sided print unit
Oki Data CONFIDENTIAL
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