Oki 390 User Manual download pdf (Page 127)

120 Appendix F: Interfacing

Installing the Serial Interface

Caution!

Handle the interface board with care to avoid damaging its components.

The components can also be damaged by static discharges. We recommend that you

leave the board in its protective packaging until you’ve read these instructions and

are ready to install it. Make sure the printer is unplugged before you install the board.

2. Holding board by cable connector, with

components facing away from parallel

interface, gently slide it into opening

against guides at top and bottom. Press

firmly into place.

Parallel port

Component

side of board

1. Remove plastic covering over opening

for serial board in back panel:.

– insert tip of flat-blade screwdriver at

top and twist it to snap plastic mold-

ing holding cover in place.

– repeat procedure for molding at bot-

tom of cover

– press inward on cover with your fin-

gers and bend it back and forth until

it snaps off.

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Oki 390 User Manual Page 127