Paper Feed Mechanism And Operation - Atari 1025 Field Service Manual

Figure
1-4.
Ribbon Feed
to
Right
PAPER FEED MECHANISM
AND
OPERATION
PAPER FEED MECHANISM
The
paper feed
mechanism
consists of the
following:
• Pulse
motor
with gear
•
Reduction gear
• Platen with
fixed sprocket and
friction roller
The
printing paper
is
moved
up
to
the next
line as
the pulse motor
runs,
meshes
the
gears,
and
rotates the fixed
pin platen.
PAPER FEED OPERATION
The
paper feed
pulse
motor
is
mounted
on the
left side panel, and
its
rotation
is
transmitted
to
the platen
via the reduction gear
(see
Figure
1-5).
The
paper
is
fed
4.23
mm
(1/6 inch)
when
the pulse motor advances
24 steps
(180°).
Figure
1-5.
Paper Feed Mechanism
Atari 1025 Printer
Field Service Manual
1-5