Installation Instructions:
ML620, ML621, ML690, ML691
Pull Tractor � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �1
Tracteur ou le propulseur � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �3
Mecanismo de tracción de arrastre � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �5
Tracionador de puxar � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �7
Use the pull tractor to
efficiently feed multi‑part
forms, labels, etc., in a straight
path through the bottom of the
printer.
Prepare the Printer
Turn the printer OFF.
1�
Open the access cover (Fig.
2�
1) and center the printhead.
CAUTION! The printhead
may be hot!
Figure 1
tractor-unit-pull-09-A
ASSEMBLY
Figure 2
BAIL
ARM
TRACTOR
GROOVES
(ON BACK
LOCK
SIDE OF
LEVER
TRACTOR)
Push Tractor
The grooves on the back
NOTE:
side of the Pull Tractor (as
described in the following step
number 2; one on the far left;
one on the far right; Fig. 2)
attach to the same two pins as
the Pull-up Roller Assembly.
Install the Tractor
Remove the Pull‑up Roller
1�
Assembly (Fig. 1). Rotate
the assembly towards the
back of the printer and pull it
up off the left and right side
pins to remove it. Store the
assembly for future use.
PULL-UP
Figure 3
ROLLER
ACCESS
COVER
TRACTOR
PINS and
PAPER
TRACTOR
GUIDE
COVER
(SLIDES
WHEN NOT
LOCKED)
1 / English
Install the Pull Tractor. Find
2�
the grooves (Fig. 2) on the
back side of the tractor (the
front side of the tractor has
the sprocket pins and tractor
covers). With the front side
of the tractor facing the
front of the printer, use
your fingers to help guide
the grooves (Fig. 3) onto
the pins on the printer, and
push the tractor down until it
clicks into place.
PULL
TRACTOR