Platen Assembly; Platen/Print Head Adjustment; Platen/Paper Separator Adjustment - Atari 1025 Field Service Manual

PLATEN ASSEMBLY
• Set the platen
in
the
side plates.
•
Replace
the platen bearing
assembly
(Figure
4-4,
#37-39).
• Replace
the
idle
gear and
its
E-snap
ring (Figure
4-4,
#35,36).
•
Attach
the
paper separator with
its
two screws
(Figure
4-4, #33,34).
• Attach the paper-cut knife
and
its
lever by
inserting the
lever shaft
through the
side plates and
affixing the E-snap
rings (Figure
4-4,
#30-32).
• Replace
the
two
detent
springs (Figure
4-4,
#29
and
29A).
•
Follow
the
PLATEN/PRINT HEAD ADJUSTMENT
below.
•
Follow
the
PLATEN/PAPER SEPARATOR ADJUSTMENT
on page
4-7.
• Follow the
UPPER COVER ASSEMBLY
procedure on page
4-10.
PLATEN/PRINT HEAD ADJUSTMENT
EQUIPMENT
•
#2-200
Phillips screwdriver
• Thickness gauge
PROCEDURE
If
when
the
printer runs, you
see darker
print on
one
side than the other
side of the
page, adjust the platen/print
head
spacing.
You
also
need
to calibrate
this
adjustment
after disassembly
of the printer
unit, carriage frame
or platen
for other
repairs.
• Follow
the
UPPER COVER
DISASSEMBLY
on page
4-1.
• Loosen
the snap lever
screws
(see Figure
4-1, #16).
•
Move
the carriage shaft
forward
or
backward
until the
gap between
the
platen and
print
head
is
between
0.45
and
0.5
mm,
as illustrated
in
Figure
•
Tighten the snap
lever screws.
• Follow the
UPPER COVER ASSEMBLY
procedure on page
4-10.
Atari 1025 Printer
Field Service
Manual
4-6