Oki ML620 Push Tractor Installation Instructions: ML620, ML621, ML690, ML691

A push tractor is standard

equipment and comes installed

in the rear of the printer. Install

a second push tractor on the

front of the printer to easily

switch between the two print

paths.

Prepare the Printer

1.

Remove any paper from the

print path.

2.

Turn the printer OFF.

3.

Disconnect the computer

cable and power cable.

Front Install

1.

Pull down the front panel

(Fig. 1).

2.

Move the tractor’s paper

guide (Fig. 2) to midway

between the left and right

tractor pins.

Installation Instructions:

ML620, ML621, ML690, ML691

3.

Squeeze the finger guides

(Fig. 2) and insert the tractor

into the front feed. When it

is seated, push down to snap

the guides in place.

Load Paper (Front)

1.

Connect the computer cable

and power cable and turn

the printer ON.

2.

Make sure the Paper Type

lever is in the FRONT feed

position (Fig. 1).

3.

Open the access cover and

set the Paper Thickness lever

(Fig. 1) to suit the paper.

Close the cover.

4.

Pull up on the lock levers

(Fig. 2) to release them and

allow the tractor covers to

slide back and forth.

NOTE:

You will find reference

marks on the back side of the

front panel (far left side) for

the most common paper sizes

(Fig. 1).

5.

Move the left tractor to the

position that matches your

paper size and push down on

the lever to lock it in place,

then move the right tractor

to fit the width of the paper.

6.

Open the tractor covers

and place continuous forms

paper on the first two pins of

either tractor, then close the

left tractor cover.

Important!

To keep the paper

from skewing or jamming, be

sure that both sides of the

paper have the same number

of paper holes engaged on the

sprocket pins.

7.

Adjust the position of the

right tractor to center the

holes in the paper on the

pins. Then, close the tractor

cover and push down the

lock lever. Do not stretch the

paper.

NOTE:

If the paper is too loose

or too tight it can cause jams.

8.

Press the

LOAD/EJECT

key

to advance the paper.

NOTE:

The factory default

setting for the Top of Form

(where the printing should

begin) is 11/12-inch (23.3

mm) down from the top of the

page. To change the setting,

see “Top of Form (TOF)” in the

printer manual.

For more information see your

printer manual.

Push Tractor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Chargeur à traction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Mecanismo de tracción de empuje . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Tracionador de empurrar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

1 / English

PAPER

GUIDE

FINGER

GUIDES

LOCK

LEVER

PAPER

THICKNESS

LEVER

(BLUE)

Figure 1

Figure 2

SET PAPER TYPE

LEVER FOR

FRONT FEED

(REFERENCE

MARKS ARE ON

BACK SIDE OF

FRONT PANEL)

FRONT

PANEL

GUIDE ON PRINTER SHOWS

POSITIONS FOR EACH FEED

METHOD (I.E., PAPER TYPE)

TRACTOR PINS and

TRACTOR COVER

(SLIDES

WHEN NOT LOCKED)

Push Tractor

Oki ML620 Push Tractor Installation Instructions: ML620, ML621, ML690, ML691

Oki ML620 Manual

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