Anadex DP-9000 User Manual

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3~4

GRAPHICS

The

printer

has

a

full,

high

density

graphics

printing

capa-

bility.

Anadex

strongly

recommends

that

if

graphics

are

to

be

used)

Option

R

be

installed~

The

following

paragraphs

discuss

the

use

of

the

graphics

printing

mode.

CAUTION

IF

OPTION R

(EXPANDED

FIFO

BUFFER)

IS

NOT

INSTALLED,

IT

IS

POSSIBLE

TO

"LOCK

UP"

THE

PRINTER

IF

THE

PROGRAMMING

INSTRUCTIONS GIVEN

ARE

NOT

FOLLOWED

PRECISELY.

NOTE

Resettability

of

each

print

dot

in

the

DP-9500

and

DP-950l

is

excellent,

however,

paper

shift,

tractor

hole

variation,

paper

print

head

gap,

expansion,

etc.,

can

affect

the

accuracy

of

the

printout.

When

printing

critical

graphics,

Anadex

suggests

that

at

least

several

inches

of

paper

be

electrically

or

manually

driven

through

the

printer

to

settle

the

paper

path

after

installing

new

paper

supply

and

before

beginning

graphics

printing.

The

graphics

mode

is

entered

by

receipt

of

the

control

code

FS.

This

code

should

not

occur

while

a

printing

record

is

open.

Any FS

code

received

while

a

printing

record

is

open

is

ignored;

but

subsequent

graphic

bytes

may

be

incorrectly

printed.

In

graphics,

one

byte

of

data

controls

one

strobe

of

the

print

head.

The

printable

graphics

byte

must

always

have

bit

7

set

(Logic

1).

Each

set

of

the

remaining

6

bits

causes

the

corres-

ponding

print

wire

to

strike.

(See

Figure

3-5).

The

LSB

of

the

graphics

byte

corresponds

to

the

bottom

wire

of

the

6

graphics

print

wires.

The

wires

used

are

number

2

through

7,

where

wire

number

1

is

the

top

wire

and

wire

number

9

is

the

bottom

wire.

Wire

number

7

is

the

lowest

dot

position

of

any

non-descending

character.

The

range

of

the

graphics

bytes

corresponds

to

a

range

of

40H

to7FH.

(Figure

3-5

illustrates

the

complete

range

of

dot

combinations.)

The

graphics

line

is

terminated

by

receipt

of

one

or

more

ASCII

numerals

0

through

9

(30H

through

39H).

This

graphics

code

will

cause

the

paper

to

be

fed

a

number

of

dot

intervals

equi-

valent

to

the

decimal

value

of

the

sum

of

the

numerals.

(Example:

30H

causes

zero

paper

movement,

39H 35H

causes

paper

movement

of

14

dot

positions.)

Receipt

of

the

sequence

;NNN,

3-19

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Anadex DP-9000 Specifications

General

Brand	Anadex
Model	DP-9000
Category	Printer
Language	English