Oki Pos 441 - Manual (Page 11)

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4-2. Connecting the Cable to the Printer
Note that the interface cable is not provided. Please use a cable that meets specifications.
CAUTION
Before connecting/disconnecting the interface cable, make sure that power to the printer and
all the devices connected to the printer is turned off. Also make sure the power cable plug is
disconnected from the AC outlet.
4-2-1. Parallel Interface Cable
() Make sure the printer is turn off.
() Affix the ferrite core onto the cable as shown in
the illustration.
() Pass the fastener through the ferrite core.
(4) Loop the fastener around the cable and lock it.
Use scissors to cut off any excess.
(5) Connect the interface cable to the connector on
the rear panel of the printer.
(6) Fasten the connector clasps.
Ferrite core
Interface cable
10 cm
(maximum)
Fastener