Oki 390 User Manual download pdf (Page 13)

6 Installation

3. Holding ribbon cartridge with knob fac-

ing up and ribbon sheild facing platen,

fit grooves on either side at back end of

cartridge over pins on ribbon plate.

4. Lower front of cartridge over printhead

until it snaps into place, then turn knob

in direction of arrow (clockwise) to take

up ribbon slack.

5. The headgap lever by the side of cartridge

adjusts for different paper thicknesses.

Set it for the number of sheets in the

forms you’re using from 1 to 4; use set-

ting 5 for envelopes or extra-thick pa-

per. Adjust the setting up or down for

the best print quality.

Note: When the setting is set at 2~5, the

printer automatically slows down for better

print quality with thicker multipart forms.

Important!

Be sure to use only ribbons

specifically for use with MICROLINE 390

series.

For best results, use genuine OKI ribbons.

Making Connections

Connection with Computer

There instructions are for the standard parallel interface. Instructions for installa-

tion/connection of a serial interface are included with the serial interface accessory.

For more information on the serial interface accessory, see Chapter 5.

Ribbon

shield

Knob

Setting

Headgap lever

position

Number of

sheets

envelopes or

extra-thick paper

Knob

Printhead

Headgap lever

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 130 131

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Oki 390 User Manual Page 13