Radio Shack TRS-80 User manual

TRS-80
CGP-115
OPERATION
MANUAL
Catalog
Number
26-1192
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SERVICE POLICY
Radio Shack’s nationwide network of service facilities provides quick, conve-
nient, and reliable repair services for all of its computer products, in most
instances. Warranty service will be performed in accordance with Radio
Shack’s Limited Warranty. Non-warranty service will be provided at reasonable
parts and labor costs.
Because of the sensitivity of computer equipment, and the problems which can
result from improper servicing, the following limitations also apply to the
services offered by Radio Shack:
i:
If any of the warranty seals on any Radio Shack computer products are
broken, Radio Shack reserves the right to refuse to service the equipment or
to void any remaining warranty on the equipment.
. If any Radio Shack computer equipment has been modified so that it is not
within manufacturer's specifications, including, but not limited to, the in-
stallation of any non-Radio Shack parts, components, or replacement
boards, then Radio Shack reserves the right to refuse to service the equip-
ment, void any remaining warranty, remove and replace any non-Radio
Shack part found in the equipment, and perform whatever modifications are
necessary to return the equipment to original factory manufacturer's speci-
fications.
. The cost for the labor and parts required to return the Radio Shack com-
puter equipment to original manufacturer's specifications will be charged to
the customer in addition to the normal repair charge.

Contents
Introduction
1/Description
of
the
Color
Graphic
Printer.................
2/Setting
Up
the
Color
Graphic
Printer
.................0..
3/A
Little
Background
Information............-......eeeee.
4/Using the Color Graphic Printer................ eee eee,
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Graphic Commands jo jcc. 5siiccsrccnssettsavnsseieee ds
5/Care
and
Maintenance...........0.ceceeseeeseeeeesteneenes
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Appendix A/ Using the Color Graphic Printer with
the TRS-80 Model II/16............... cece cece eee,
Appendix
B/
Sample
programs.................
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Appendix C/ Color Graphic Printer Command
SUMMAIY: 2005005 cadeeuered Soe s eine nes waeed eee ee
Appendix D/ ASCII Chatacter Seticscvaccumcesatenosedden

Introduction
Congratulations for selecting this high-quality, low-cost Color
Graphic Printer! We feel this Printer is the ideal graphic printer
for home or business use when you want to create anything from
four-color pie charts to Computer generated “doodles.”
The TRS-80 Color Graphic Printer is unique among other graphic
printers. Its special features include:
Its own set of simple instructions that allow you to change
colors, backspace the Pens, reverse “feed” the paper, and
more!
Four-color print-outs (black, red, green, and blue).
“Standard” roll paper (4 1/2” wide by 180’ long).
Serial or Parallel interface capabilities for use with any
TRS-80 that has printer interface capabilities.
Selectable 40-character or 80-character per line printing.
The Color Graphic Printer can be used with TRS-80:
Model I
Model II
Model III
Model 16
DT-| Data Terminal
Color Computer
This manual will:
Describe the Color Graphic Printer to you.
Detail you how to install paper and pens.
Show you how to connect the Printer to your TRS-80.
And illustrate how to use the Color Graphic Printer to print data
or create beautiful, 4-color graphic print-outs.

1 Description of the Color Graphic Printer
Figure 1. Graphic Printer (Front View)
illuminate when you turn the Graphic
Printer ON.
@ PAPER FEED Switch. Press this button
to move the paper forward.
@ COLOR SELECT Switch. Press the
COLOR SELECT switch tochange the
pen color. The Pen Holder will rotate
one quarter turn to the next pen.
The Graphic Printer will return to Pen
#1 on power- up.
5
@ POWER On Indicator. This light will 4) Top Cover. Always keep the Cover closed
when the Printer is operating. Raise the
Cover from the front to change when
changing paper or pens. Note the serrated
edge for neat and easy paper tearing.
Also note that the Printer will not print when
the Cover is up.
Paper Separator. The Separator keeps
“out-going” paper separated from “in- —
coming” paper during printing.
When the Printer is printing, be sure to
have the Paper Separator correctly in
place or “out-going” paper may be fed
back into the Printer causing a “paper
jam” situation.

Figure 2. Graphic Printer (Inside View)
@ PEN CHANGE SWitch. Press this
switch and the Pen Holder will move
to the right and stop. Always press this
switch before changing pens.
Pen Ejection Lever. When you remove
a pen from the Pen Holder, gently
press this Lever.
& Pen Holder. This Holder contains the
ae
PD
four pens. Press the COLOR SELECT
Switch to move from one pen to the
other. Press the PEN CHANGE SWitch
before changing pens. Do not move or
rotate the Holder manually.
4
6
Pen Guide Wheel. Insert the “ink” tips
of the Pens into the guide holes of the
wheel. Note that each hole is color
coded for the appropriate pen color.
Paper Platen. “Holds” the paper during
printing. Never print on the platen; always
be sure you have paper in the Printer
before printing.

0 oe 89
Figure 3. Graphic Printer (Rear View)
@ PwR SWitch. Press the white dot to @ PARALLEL 1/O Jack. Connect the
2
turn the power ON. Press again to turn
the power OFF.
SERIAL I/O Jack. Connect the Graphic
Printer to a Color Computer via this
jack. Use the 4-Pin DIN to 4-Pin Din
Cable (Radio Shack Catalog Number
26-3020).
AC ADPT Jack. Connect the Graphic
Printer to its Power Supply via this
Jack.
DIP SWitch. The settings of this Switch
will determine how the Printer will
operate. For instance, whether you want
80 characters per line or 40 characters;
whether the Computer connected to the
Printer uses a serial interface (Color
Computer) or parallel Interface.
Graphic Printer to the Model I, II, III, 16
and the DT-1 via this Jack. For Model
1/IIl, use the 34-Pin Card Edge to 36-Pin
plug (26-1401); for Model II/16/DT-1,
use 34-Pin Header to 36-Pin Plug
(26-4401).
Power Supply. Connect the Power
Supply to the Printer via the Rear
Panel. Do not use any Power Supply
except for the one supplied with the
Printer.

2/Setting
Up
the
Color
Graphic
Printer
Figure 4. Power Supply Connections
Do
not
attempt
to
operate
the
Color
Graphic
Printer
with
any
power
supply
other
than
the
supplied
one!
1. Connect the AC Adapter to a wall outlet.
2. Then connect the power cable from the AC Adapter to the
Color
Graphic
Printer’s
power
supply
AC
ADPT
jack
(see
Figure
4).
Connecting
the
Color
Graphic
Printer
to
a
Computer
When connecting the Color Graphic Printer to a TRS-80, be sure
to
use
the
correct
cable.
Table
|
details
the
proper
cable
to
use
with
your
TRS-80;
Table
2
provides
quick
instructions
on
locating the printer connection location on TRS-80. See your
TRS-80
owner’s
manual
for
complete
details
on
connecting
printers.
1. Connect one end of the appropriate cable (see Table 1)
to the Color Graphic Printer.
- If you’re using a Color Computer, connect one end of the
DIN cable to the round, 4-pin SERIAL I/O Jack on the
rear panel of the Printer.
aa
A
Pe

- If you’re using a Model I/II/III/16 or DT-1, connect the
cable connector to the PARALLEL I/O Jack on the rear
panel of the Printer.
2. Connect the other end of the cable to the TRS-80 (see
Table 2).
Note: Only one Printer Jack should have a cable connected to
it at a time. That is, if you have a cable connected to the
PARALLEL I/O Jack, do not have a cable connected to the
SERIAL I/O Jack (and vice versa).
Printer-to-TRS-80 Cables
Table |
TRS-80 Connection Points
Location
Model II/16

Paper Loading
Be
sure
to
use
Radio
Shack
Color
Graphic
Printer
paper
(26-1428)
with
the
Printer.
When
loading
paper
into
the
Printer,
follow
these
steps:
1.
ne
With
scissors,
cut
the
end
of
the
paper
square.
(See
Figure
5.)
Insert
the
end
of
the
paper
into
the
slot
in
the
bottom
of
the
Printer
(see
Figure
6).
_
Insert
the
shaft
into
the
roll
and
place
the
roll
of
paper
into
paper compartment.
. Turn power on.
.
Raise
the
Top
Cover
so
printing
will
not
take
place
on
the
Platen.
.
Press
the
PAPER
FEED
button
to
get
the
paper
through
the
slot
and
around
the
Platen.
Figure
5.
Cut
Paper
Square
Figure
6.
Inserting
Paper