Feed System - Radio Shack TRS-80 Manual

Paper Loading and
Penetration
Adjustment
When
Operating
With
Friction
Feed
System
You do not have
to use
paper with
holes,
but
you
should not use
continuous-form
paper.
Refer to Figures
4, 5,
and 6
as
you
go through
followings.
1.
Remove
plastic
cover.
2.
Move
penetration control
lever fully
backward
(away from platen).
3.
Pull
release lever
toward the front.
4.
Release
paper
bail
from platen
by
tilting
backward.
5
Insert
paper through paper insertion
opening
at
upper
center of the printer
and
return
release
lever.
Turn paper feed
knob
until
paper appears
between the
platen
and paper
scale.
7.
Pull
r
o
e
l
e
t
aS
a
e
bout
e
i'-1/2" (3
or
4cm) of the
paper and
align
the paper
top.
Return
the
release lever
to
normal position.
8.
Return paper
bail
to
its
position against
paper and
platen.
9.
Adjust Penetration Control for
optimum
print quality as follows:
Mo^
Control Lever completely toward the platen.
This provides
maximum
print
head
penetration.
For single-part
forms, use this setting.
Mo!^
Control Lever
toward platen until
smudging
appears
on
paper
when
carriage
is
manually
moved back and
forth.
Then back
off
the
lever setting slightly
till
there
is
no
.smudging
when
the
carriage or
paper
is
moved. Leave
lever setting at
the closest
catch-po.nt to this
setting.
Note:
If
you
use carbon-paper
(or
other duplicate
form paper)
with the
friction
feed
system
take
extreme
care
when
setting
up and using paper.
There
may
be
slight shifting
of
paper
between
original
and copy, resulting in
poor
printing or
improper registration.
10.
Replace plastic
cover.
Penetration
Control Lever
Release Lever
Paper
Feed
Knob
Paper Scale
Paper
Feed
Knob
Figure
4
Figure
5