Fujitsu M304X User Manual

M304X

SERIES LINE PRINTER

OEM MANUAL

r

REVISION RECORD

Edition

01

02

03

04

05 Jun., 1986

06

Dam Lwblishd

*ug.,

No”..

.I”“.. 1985

Aug.,

Nov., 1986

1983

1984

1985

f3ewritren

Rer”ped and dePCripti.3”

Pager

440.96

Pager

Cha,xerr 4 to 9.

Pager

: Chacmr9 deleted.

4-3.4-28.4-31

2-3.44

added

pages 2-2.2.3.

Revised Content$

Of. RS-232-C

-4-39.441.

2.6 10 2-8. 2.10 to 2-20 reused.

Chamerand 8 revised.

interfact! and aprionr added.

442, 4.46.

449.6-7.6-8.6.16.9-6

modified

Swcification

N O .: 802P.1500.OOOIA

BOZP-ISOO-OOOlA...06

i

FWITS” LlMlTED
In1er”atim.l

Marketing

FUJITSU NORDIC A8

lndunrigatan 2A
MaN”O”di l-s-1. Chiyoda-k”. Tokyo 100.m.PAN TEL: [phone]
TEL [phone]

FAX: [phone]-9353 TLX:

TLX:

,229s

Cable: “FUJITSU LlMlTED TOKYO”

FAX: [phone]

13411

FUJITSU ITALlA

“ia Lalzaro”i. 4. 20124

FUJITSU AMERICA INC. TEL:
3055

Orchard Drive. San

TEL: [phone]

,ore.

California

951342017. U.S.A.

FAX: [phone]

TLX: 350142

139.21 607-3601

FAX: [phone]*

TLX: 230-176207

TWX:

I9101

338-2193

FUJITSU CANADA INC.

6260 Northwen
TEL:

114161

Drive.

6734666

FAX: [phone]

TLX: 968132

FUJITSSU

Roy., Trurr

EUROPE LlMlTED

House.

54

Misksaqa. Taronro. Ontario. CANADA

Jermyn

Street. London

S.W.1,

ENGLAND TLX:

FUJITSU AUSTRALIA LIMITED

4-l

McLaren

TEL:

Street. North Syd”ey, N.S.W.

161-2,

95943555

FAX: [phone]

TM:

25233

FUJlTS” HONG KONG LIMITED

R.M.

1831.

Sun Hung

(852.51

TEL:

8915780

FAX: [phone]

62667

TEL: W-1 I4084043

FAX:

1.629-9826

TLX: 263871

Plan 7. 112 46 Sroctholm. SWEDEN

S&A.

rdibano.

ITALY

2060,

AUSTRALIA

Kai

Came. 30 Harbur

Road.

HONG KONG

FVJITS” DEUTSCHLAND

RorenheimetaraBe

TEL:

149.89,

145. D-8000

413010

FAX: [phone]

TLX: 5213994

ii

GmbH

MCinchsn 80.

F.R. GERMANY

BOZP-1500-OOOlA...06

CONTENTS

CHAPTER

1.1

CHAPTER 2

2.1

2.2

2.3

2.4

2.5

2.5.1

2.5.2

2.5.3

2.5.4

2.5.5

2.6

2.6.1

2.6.2

CHAPTER 3

3.1

3.2 Control Unit

CHAPTER 4

4.1

4.2

4.2.1

4.2.2

4.3

4.3.1

4.3.2

4.4

4.4.1

4.4.2

4.4.3

INTRODUCTION ...............................................

1

Introduction

SPECIFICATIONS .............................................

Printer Specifications .........................................

Ribbon Specifications

Installation Conditions
Optional Unit
Forms Specification

General note about forms

Dimensions

Multiple-part forms

Ambient conditions for forms ............................... 2 - 18

Purchase order for forms

Format Control Tape

Medium quality

Dimensions
CONFIGURATION

Mechanical Unit ................................................

DPC-COMPATIBLE INTERFACE

Operation Outline ..............................................

Interface Signals

Interface signal lines

Physical specifications of interface signals

Character and Control Codes

Character codes ............................................

Control codes

Format

control
Definition of the top of forms
of form

Specification of a forms feed format
Skip and Space commands

l-l

...................................................

..........................................

........................................

..................................................

............................................

...................................

.................................................

........................................

...................................

(FCT)

.............................................

.................................................

.............................................. 3 - 1

...................................................

..............................................

..............................................

.................................................

(BOF)

..............................................

......................................

...................................

.....................................

...............

....................................

(TOF)

and the bottom

.......................

....................................

l-l

2-l

2 - 1
2-3

2-3
2-6
2 - 11
2 - 11
2 - 12
2 - 15

2 - 18
2 - 19
2 - 19
2 - 19

3-2

3-3
4-l

4-l

4-2

4-2
4-6
4-a

4 - 10

4 - 10
4 - 11

4 - 11
4- 12
4 - 19

CHAPTER 5

5.1

5.2

5.2.1

5.2.2

5.3

5.3.1

5.3.2

5.4 Format Control

5.4.1

5.4.2

5.4.3

5.5

5.5.1

5.5.2

CENTRONICS-COKPATIBLE

Operation Outline

Interface Signals

Interface signal lines
Physical specifications of interface signals

Character and Control Codes

Character codes
Control codes

Loading from the mainframe to the VFU
Loading from an FCT to the VFU

Format specification from the operator panel

VFU Commands

n-Line Skip command

Skip to Channel-n commands

................................................... 5 - 17

5

INTERFACE

..............................................

..............................................

.....................................

....................................

............................................

..............................................

.................................................

........................................

B02P-1500-OOOlA...05

............................

...............

......................

.............................

,,

..............

.................................

- 1

5-l
5-2

5-2
5-a
5 - 11
5 - 12
5 - 12
5 - 14

5 - 15
5 - 16

5 - 16
5 - 17

5 - 18

.

13.1

CHAPTER 6

6.1

6.2

Operation Outline ..............................................

Interface Signals ..............................................

6.2.1

6.2.2

6.3

Character and Control Codes ....................................

6.3.1

6.3.2

6.4

Hessage Protocols ..............................................

6.4.1

6.4.2

6.4.3

6.4.4

6.5

6.6

Commands .......................................................

Printer Status .................................................

RS-232-C INTERFACE .........................................

6-1
6-1

6 - 4

Interface signal lines .....................................

Physical specifications of interface signals

...............

6-4

6-8

6 - 14

Character codes

............................................

6 - 16

Control codes .............................................. 6 - 16

6 - 19

XON/XOFF protocol .......................................... 6 - 19

Reverse Channel line protocol ..............................

DTR line protocol ..........................................

RTS line protocol

..........................................

6 - 19

6 - 20

6 - 20
6 - 21

6 - 28

CHAPTER 7

7.1

7.2

7.3

CRAPTER

8.1

8.2

a.3
a.4

Standard Print Band List .......................................

Standard Character Sets

Type Catalog

8

Print Bands .................................................... 8 - 2

Options ..............................................

Expendable Supplies ............................................

Special Tools ..................................................

PRIYT BAND SPECIFICATIONS

..................................

7-1

7-2

........................................

...................................................

SPECIFICATION LIST .........................................

.

..........

7-2
i-9

a-

8-3

1

8-3

a-3

iv

B02P-1500-OOOlA...06

ILLUSTRATIONS

Figure 1.1
Figure 2.1

Figure 2.2
Figure 2.3
Figure

Figure 2.5
Figure 2.6
Figure 2.7
Figure 2.8
Figure 2.9
Figure 2.10
Figure 2.11
Figure 2.12

Lgure

Figure 2.14

Figure 2.15

Figure 2.16
Figure 2.17
Figure 2.18
Figure 2.19

2.L

2.13

M304x series line printer

Outer dimensions (with the forms rack)

Operation and maintenance area (with the forms rack)

Outer dimensions (with the powered stacker)
Operation and maintenance areas (with the
powered stacker)

FCT unit
Paper puller
Forms
Curled

Forms container lids .....................................

Shape of the forms container
Leftmost and rightmost print positions
Dimensions relating to pin feed holes
Protrusion and separation of the outer layer at the
perforation of multiple-part forms
Methods of fastening paper
Allowable incorrect alignment of multiple-pzrt forms

Multi-part forms with layers of different

Carbon paper covering pin feed holes
Self-adhesive

Specifications of FCT

.................................................

....................................................

forms

.........................................

.............................................

............................................. 2 - 11

lable

forms ................................

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

...................

....

..............

.............................

...................2 -

....................

.......................

............................... 2 - 15

.....2 -

th:ickness

.....................

.................................... 2 - 20

......2 -

1- 2

2-4
2-5

2-7

2-8
2-9
2 - 10
2 - 11

2 - 12
2 - 12

13

2 - 13
2 - 14

16

17
2 - 17
2 - 18

Figure 3.1
Figure 3.2

Figure 4.1
Figure 4.2
Figure 4.3
Figure 4.4
Figure 4.5
Figure 4.6

.igure

Figure 4.8
Figure 4.9
Figure 4.10
Figure 4.11
Figure 4.12

Figure 5.1
Figure 5.2
Figure 5.3
Figure 5.4
Figure 5.5
Figure 5.6
Figure 5.7

Figure 5.8

4.7

Printer configuration ....................................

Control unit

Basic operations .........................................

Print operation
Basic data transfer operation
Timing of signals in data transfer
DPC-compatible interface signal driver and
DPC-compatible interface connector pin

(Alup type)

DPC-compatible interface connector pin assignment

(Winchester type)

Timing of FCB data loading ............................... 4 - 12

Correspondence between FCB data channels and bits

Channels specified for a forms feed format
An example of FCT and forms feed format
An example of format specification from

the operator panel .......................................

Basic operations

Character code transfer timing

Control code receive timing

DC1 code receive timing chart

DC3 code receive timing

Skip-15-Lines command receive timing chart

VFU

data receive timing chart

Centronics-compatible interface signal

.............................................

..........................................

............................

.......................

rseceiver ......4 -

assig:nment

................................................

........................................

........

...............

..................

.........................................

...........................

..............................

............................

..................................

...............5 -

............................

driver/rec.eiver

...

3 - 1
3-4

4-l
4-2

4-5

4-5

6

4-7

4-8

4 - 13

4 - 15
4 - 17

4 - 19

5-l
5 - 5
5-5

5 - 6
5-7

7

5

-8

5 - 9

BOZP-1500-OOOlA...05

"

Figure 5.9
Figure 5.10

Centronics-compatible interface connector pin
assignment

Loading the data in the VFU

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . ..*.......................

5 - 10
5 - 15

Figure 6.1
Figure 6.2
Figure 6.3

Figure 6.4
Figure 6.5

Figure 6.6
Figure 6.7

Figure 6.8

Figure 6.9
Figure 6.10

RS-232-C interface circuit

RS-232-C interface signal transmitter and receiver . . . . . . . 6

Reverse channel line-protocol

(Drop DTR in START/STOP mode)
Reverse channel line-protocol (DTR Constant
XON/XOFF protocol (Drop DTR in START/STOP mode and
Half-auplex mode)

XON/XOFF protocol (Drop DTR in START/STOP mode and
Full-auplex

DTR line protocol

RTS line protocol (Drop DTR in START/STOP mode) . . . . . . . . . . 6

Interface cable connector

RS-232-C interface connector pin assignment . . . . . . . . . . . . . . 6

mode)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*.........

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

..*............................

. . . . . . . . . . . . . . . . ..*.........

On

mode) . . . . . 6

. . . . . . . ..*......................

6-2

-

8

6 - 10

- 10

6 - 11
6 - 11

6 - 12

-

12

6 - 13

-'14

vi

B02P-1500-OOOlA...O5

TABLES

Table 2.1

Table 2.2

Table 2.3
Table 2.4

Table 2.5

Table 2.6

Table 2.7
Table 2.8

Table 4.1
Table 4.2
Table 4.3
Table 4.4
Table 4.5
Table 4.6

Able 4.7

Table 5.1
Table 5.2
Table 5.3

Table 5.4

Table 6.1
Table 6.2
Table 6.3
Table 6.4

stable

Table 6.6

6.5

Printer specifications
Ribbon specifications
Electrical specifications
Environmental conditions
Powered stacker specifications
FCT unit specifications

Perforation dimensions ....................................

Recommended bond weight of forms

DPC-compatible interface signal lines (Positive logic)

Character (ASCII) and control codes
Definition of the start code
VFU data example

Skip commands ............................................. 4 - 20

Space commands

Space commands

Centronics-compatible interface signal lines

Character (ASCII) and control codes
n-line Skip commands

Skip to Channel-n commands ................................

RS-232-C interface signal lines

Operation by the RTS and CTS combination

Printer statuses

Character (ASCII) and control codes

Commands and their control sequences
Printer status

..........................................

(15-line
(63-line

.......................................... 6 -

............................................ 6 - 28

.................................... 2-2

.....................................

.................................

.................................. 2 - 6

............................

...................................

..........................2 - 16

....

.......................4 -

...............................

feed mode)
feed mode)

......................................

........................

........................

.............. 5 - 3

.......................5 -

...........................

..................

.......................6 -

......................6 -

2 - 3
2-3

2 - 6
2-9

2 - 14

4 - 3

4 - 13
4 - 16

4 - 21
4 - 21

5 - 17

6 - 1
6-7

9

11

5 - 18

9

15
21

B02P-1500-OOOlA...05 vii

CHAPTER 1 INTRODUCTION

1.1 Introduction

The

M304x

series (M3040, M3041, M3042, and M3043) is Fujitsu's latest
introduction of highly cost-effective line printers using a print band and
designed for OKM applications. The printing speeds of
390, 750, 1090, and 1420

1200

The

lpm

for a 64-character set respectively.

M304x series provides the following features:

lpm

for a 48-character set, and

M304:x

3013,

series models are

600, 900, and

Superb Print-quality:

up to six-part forms.

High Reliability_: By using simplified mechanical design, reduced adjustment

requirements,
guaranteed.

compactness:

unit is controlled by microprocessors, operability has be improved and printer

size has been reduced,
Commonality:

in all M304x series models, minimizing parts inventory and reducing maintenance
training costs.

Low Sound Level:

55 dB A (in the

-zlf-diagnosis:

diagnosis is performed immediately after power-on.
automatically indicated, enabling the operator to determine if the error is
operator-correctable or requires customer engineer service.
can also test printers offline.

and self-diagnosis function, high reliability is consistently

Since the mechanical unit is divided into modules and control

Almost all mechanical and electric components are used in common

By using a soundproofing structure, a sound pressure level of

ECM@.

Thanks to the incorporation of microprocessors and sensors,

Improved print hammers assure excellent print quality on

resulting in compact installation space.

condition) has been attained for all models.

Errors during printing are

The microprocessor

Simple Print Band Interchange: Each printer can use up to four print band;

three standard ones,

Wide Variety of Options:

individual customer needs

and one optional one.

M304x

The

B02P-1500-OOOlA...03

series offers

a variety

of

options to meet

l-l

Figure

1.1 M304x

series line printer

1-2

CHAPTER 2 SPECIFICATIONS

This section describes specifications of the M304x series
ribbons, and forms.

2.1 Printer Specifications

Table 2.1 lists the printer specifications. For electrical specifications and
ambient conditions, see Section 2.3.
DPC, Centronics or RS-232-C interface, see Chapter 4, 5, or 6.

For standard interface specifications,

:Line

printers,

B02P-1500-OOOlA...03

2-l

Item

Print band ~ Type

'

Replacement

Table 2.1 Printer specifications

i48-,

64-, and 96-character

my

operator

sets (ochers optionally

available)

Printing mechod

Prinringj 48-character set

speed

~ 64-character
(

96-character set

set

Print positions

Character spacing

~Continuously

390

~

3@0

210

80, 132 or 136

2.54

nrm (10

rotating

Ipm

/

lpm ~

lpm

print positions per inch)

print

band

750

lpm

600

lpm

420

lpm

prinr

positions per line

~

str~xk b:;

rotary hammers

(:Selecrable)

Character ~ 48-character set 10 numerics, 26 upper-case alphabecics,

set

I

Font

type

Character code

Number of I Carbonless copy

copies

j

64-character

(

96-character set

I

set

;

10 numeric*,

26 upper-case

alphabecics,

10 numerics,26 upper-case and 26 lower-case

iand

32 symbols

~Scandard Gothic (others optionally available)

iASCI1 (others optionally available)

paper

~

6 (Including original)

j

Ferns with interleaved! 5 (Including original)

~

carbon

?aper

and

alphabetics,

~ carbonbacked forms

S5 dB

Sound pressure level

A (Conforms to

ISO. UP7779 srandarcl

so"nd level)

Forms feed I Line spacing time

rate

Vertical line spacing

Format

:

Continuous feed i424.2 mm/s

control

tape

(FCT)

option ~ 8- or

Interface

1

Dimensions

powered

11; x ii x D) without 1700 m

stacker

,18

i4.23 or 3.18 m (6 or 8 lines/inch)

:DPC, Centronics,

i

900

1 Weighr I180

ms (6 LPI)

(16.7 inches/s)

12-channel

FCT is available.

RS-232-C, and other

(27.56") x 1095 mm

fmn

05.43")

kg

(I?7 lbs)

(43.11") x

avai.lable

options

700 x 1095

~

960

(37.80")

I

x

I

2-2

BOZP-1500-OOOlA...05

2.2 Ribbon Specifications
This printer uses an endless cartridge type or open-type ribbon, which only

moves

in one direction.

specifications are as

The ribbon is replaced by the operator. The ribbon

f0110ws:

Table 2.2 Ribbon specifications

I~ ~~

Item

Parts number ~

I

B87L-0840-0401A

Specification

(black)

B87L-0840-0402A (blue black)

Fabric
Width
Length

Ink

-

.~

Storage life

I ~-~- -

2 years

blue black

_..__~_

2.3 Installation Conditions

This section shows the outer dimensions,
electrical specifications,

and environmental conditions of the printer.

operation and maintenance area,

Table 2.3 Electrical specifications

I

M3040 j

I

Primary voltage

Phase

Frequency

POW7

consump­tion

Starting Surge

men

print- !

ing

When not printing

UL/CSA

version

I VDE

version

I

! LB-character set

136-column

64-character

~

136-column

printing

printing

200/220/2301240

Single phase

50 or 60 Hz

250 VA

50

A or less

+2

4%

VAC

20%

I

B02P-1500-OOOlA...06

2

-3

x3040
xi3041

M304?

900

(35.43")

-9

M3043

Figure 2.1 Outer dimensions (with the forms rack)

2-4

B02P-1500-OOOlA...O3

i-

Figure 2.2 Operation and maintenance area (with the

B02P-1500-OOOlA...O5

forms rack)

2-5

Table 2.4

Environmenral

conditions

Ambient
condi-

tions

When I

when

“CX

ope-

Temoerature

~ Temperature range / -

( Temperature gradient ! lS’C/h (27”F/h) or below

ranee 1

rating Relative 10% to

Maximum wet-bulb ZY’C

I temperature

Heat dissipation (6Lvcharacter set

136-column

printing)

Air flow

M3040

5’C

to 40aC

20% to 80%

290~

(84.20~)

20-Z

to

(84.2’F)

360 kcallh

I

I M3041

(41’

P.8

5O’C C-4’

90% RH

to 104’F)

(Without condensation)

440

5

condftianM304:T-rTA

to 122’F)

kcalfh 1 530 kcailh

I I

m31min

y80

kcal/h I

7

m3/min

I

I

2.4 Optional Unit
This section gives specifications of printer optional units such as the powered

stacker, long-line interface unit, format control tape

(FCT) wit,

line counter,

and paper puller.

(1)

Powered stacker

(BOZB-ISOO-0005A)

The powered stacker enables folding and stacking of forms.

lists the powered stacker specifications. Figure 2.3 and 2.4 show the
outer dimensions,

and the operation and maintenance areas for printers

with the powered stacker attached.

Table 2.5 Powered stacker specifications

I

Forms

available

for

fcldine

Capacity 3000 sheete (1 part, 17

Power

consumption

Dimensions

Weight

Item

I

’ Width 76.2 mm

Length

No. oE carts

177.8

1 to 5. 6 (only for carbonless paoer)

60 VA maximum (powered stacker only)

700

mm

Powered stacker only: 60 kg

M3040 to M3042 with powered stacker attached:

M3043 with powered stacker attached: 220 kg (485

(3”)

to 431.8 mm

mm

(7”)

(27.56”)

co 355.6 m

width

Table 2.5

Specifications

(17”)

(14l’)

lbs./bond) maxirmvn

x

960 mm (37.80”) height x 417 mm (16.42”) width

(133 Ibs.)

or fonos stacked 32 cm high

200 kg

1

(441 lbs.)

lbs.)

I

2-6

B02P-1500-OOOlA...O5

M3040

M3041

M3042

700

(27.56")

1

M3041
M3042

'990

r

(,T

1050

r-14134.)

M3043

M3043

Figure 2.3 Outer dimensions (with the powered stacker)

The powered stacker can be operated using switches on the switch panel at the
top of the stacker.
Printer Operator's Guide.

For switch panel operation.

refer to M304X Series Line

BOZP-1500-OOOlA...O5

2-7

Operation area for M3040/M3041/M3042

with powered stacker attached

Maintenance area
M3042 with powered stacker attached

f'or

M3040/M3041/

1

Operation area for M3043 with
powered stacker attached

-_.

-r

T’

-

[5::3

el

Figure 2.4 Operation and maintenance areas

Maintenance area for M3043 with

powered stacker attached

..-

(with the powered stacker)

2-8 B02P-1500-OOOlA...05

(2) Long-line interface unit

The long-line interface unit can transmit and receive differential-mode

interface signals via signal lines which can be up to 150 m in length.

(B02B-1500-0004A)

(3) FCT units

The FCT unit reads format control data from the FCT and sends the data to the

printer.
FCT unit.

Table 2.6 lists the FCT unit specifications.

(BO2B-1500-0002A/OOO3A)

Tabl~e

2.6 FCT unit specifications

1~

I

Current

(

Dimensions

Item

Rated voltage

Tape speed

I

/

I
I
I

Figure 2.5 shows the

Soecification

6 to 12

0.4 A maximum
75 to 200 mm/s

To be supplied

VClC

I
I

I

I

I

Figure 2.5 FCT unit

Line counter

(4)

The line counter counts up by one every time 100 lines are printed.

(B02B-1500-OOOlA)

B02P-1500-OOOlA...03

2-9

(5) 'Paper puller

(B02B-1500-0061A/0062A)

The paper puller,

forms folding.

The paper puller is supplied only as a parts kit (B02B-1500-0061A) or as an
assembly
the same way as the power stacker, that is, by using the

upper part of the forms rack.

Operator's Guide.

Figure 2.6 shows the paper puller.

(B02B-1500-0062A)

installed in the forms rack, pulls printed forms to improve

with a forms rack.

For details,

The paper puller is operated in

par~e!~

installed at the

refer to M304X Series Line Printer

2 - 10

Figure 2.6 Paper puller

B02P-1500-OOOlA...05

2.5

Form

Specification

Continuous
printers.

fanfold forms,
The forms

single copy or multiple copy,

must

have pin feed holes evenly lined up on both sides and

horizontal perforations that run perpendicular to the

See Figure

2.7.

Vertical
perforations

'

Forms width

--+---CA

01

01

0

1

o+-----

--ko

01

0

0’

--A---------

fJ

I

0 I

0 1 10

I

-0

I

----------A--

0 1

HoIiZOIXil

-

perforations

0,

I

Pin feed hole

7

FOrIll

lo

length

10

‘O--i
:O

10

‘0
10

Figure 2.7 Forms

When selecting forms for this printer,

the user

must

conform to the following

forms specifications:

are

used for the

forms

feed direction.

2.5.1 General note about forms

This

section describes paper quality and shape of the forms container.

Paper quality

(1)

paper used for forms should be of good quality, opaque, not too elastic,
and suitable for printing. The paper must also be

wrinkles,

and tears.

Torn paper can cause printing trouble.

Curled forms es shown in Figure 2.8 will not be fed or stacked correctly

after printing. Do not use curled forms.

*

Figure 2.8 Curled forms

Perforations

:free

from dirt,

B02P-1500-OOOlA...Of

2

- 11

(2) Forms container

If the forms catch on container lids when being fed, feed errors may

occur.

Therefore arrange the lids as shown in Figure 2.9.

Allowable

Figure 2.9 Forms container lids

Inside space between the forms and container should be 4 to 7 mm (0.16" to

0.28").

The bottom of the box must be flat.

(Top view) (Side view)

Unallowable

See Figure 2.10.

f

space

Figure 2.10 Shape of the forms container

The forms container height must be 330.2

in the
If the form length or folding dimension is more than

rear doors must be open during operation.

forms

hopper.

rmn (13")

or less to be installed

IS":,

the front and

2.5.2 Dimensions
This section describes dimensions of the forms, printing area, pin feed holes.

and perforations.

(1) Forms dimensions

Forms width:

Forms length:

2 - 12

76.2 to 431.8 mm

76.2 to 381 m (3" to 15")

B02P-1500-OOOlA...OS

(3"

to

17")

(2) Positions and dimensions of the printing area

Figure 2.11 illustrates the distances between the leftmost and rightmost

print-position centers of the printing area and the pin feed hole center.

+

I st print

+

position

km--wlxlm

-t

-

$A

-+

A- maximum: 63.5 mm

Figure 2.11 Leftmost and rightmost print positions

(3) Pin feed holes

Pin feed holes must be round.
are given in Figure 2.12.

B = 12.7 mm

342.9 mm

(13.5")

136th print

posiiion

-

(2.5")

The dimensions relating to pin feed holes

B

I +

B-

maximun:

E = 0.2 mm
or

less

FOTC

length

--I

68.6 mm (2.7")

A: Distance between

the forms edge and

pin feed holes.

B: Distance between

two consecutive pin
feed holes.

C

: Misalignment of the

pin-feed hole
center with other
holes.

D: Diameter of a pin

feed hole.

E: Misalignment of the

pin feed hole with
a hole on the

opposite side.

Note:

Poorly shapted pin feed holes and misalignment between left and right pin
feed holes may result in inferior paper tensile strength. Misalignment

must be within 0.2 mm (0.0079").

The total misalignment of any two holes on opposite sides of

forms along a 254 mm

(0.0118").

Figure 2.12 Dimensions relating to pin feed holes

B02P-1500-OOOlA...O5

(10")

length must not exceed 0.3 mm

2 - 13

Pin feed holes that touch horizontal perforations may damage the paper.

Pin feed holes must not overlap horizontal perforations.

Hanging hole
stick to the printing area,

chad

will likely cause problems with the printer.

resulting in printing cutoff characters. Do

Chad may

not use such forms.

(4)

Perforations

Perforations must be straight. The perforations should be of the size
shown in Table 2.7.

Table 2.7 Perforation dimensions

Dimension of horizontal
perforations

Tie/Cut ratio 1

2,

3, 4, and

Tie dimension 1, 2, 3, 4,

and 5

and

Cur

dimension

1,

2, 3, 4,

5

about 1:3

5

2.0 ml (0.0787")

1.2 mm (0.472")

strong

Medium Weak

abollr 1:2 about 1:l

about 1:2

3.0

to 1.2m(0.0472")

rmn

Strong 1 Medium

/

(0.1181")

co

I

Use weak or medium perforations shown in Table 2.7. The dimensions of
horizontal perforation should be 2 mm (0.0787") or less.

If the
dimensions of horizontal perforations exceed 2 mm, the portion sticking
out (h in Figure 2.13) at the cutting edge becomes large! and feed error or

forms damage may occur.
If separation at the perforations (fold) between each part is too great,

the forms may be damaged or ink stain may result.

The raised part at the

fold (H in Figure 2.13) must be 2 mm or less with the bottom layer kept

flat by force.
Figure 2.13 shows the protrusion and separation of the outer layer at the

perforation of multiple-part forms.

Expended

CIOSS-

sectional view of

A-A'

Figure 2.13 Protrusion and separation of the

at the perforation of multiple-part

2 - 14 B02P-1500-OOOlA...O5

outlzr

layer

~forms

2.5.3 Multiple-part forms

This printer utilizes up to 6-part forms. Interleaved carbon paper utilizes

6-part forms and is not included in the number of parts. Forms with
interleaved carbon paper, carbon-backed forms, and forms using carbonless copy
paper are available as multiple-part forms.
must meet the specifications in Subsections 2.5.1 and

the same length and width.

This section describes the fastening, misalignment, and thickness of
multiple-part forms and also how multiple-part forms cause feed defects.

(1) Fastening multiple-parts

Each part of multiple-part forms must be fastened together at one or both

pin feed hole areas by gluing or crimping.

interleaved carbon paper should be fastened on the right.

not be used on forms.

damaged and a feed error will occur.

For gluing, do the following:

. The shape of glued parts should be dots or stripes in the vertical

direction, as shown in Figure 2.14,

. Glue should be applied evenly and must not cause wrinkles or discolor

the paper.

. Do not apply glue to the perforations. If stripe gluing is necessary,

the glue must not
layers.

. Glue cannot be used if forms lose pliability.

If they are used,

ooze

through perforations of the top and bottom

Each part of multiple-part forms

2.5'.2.

Multiple-part forms with

the printer print section will be

They must be of

Staples

must

Stripe

gluing

-

---

0

I

Dotted

gluing

iO7--

Crimps

‘0 I

O/

0

I

0

I--

0 !

0 I

---

It

-5

Figure 2.14 Methods of fastening paper

For crimping, do the following:

. Layers must be firmly fastened and must not come
. There should be no paper tailings or dust.
. Forms should maintain their shape so as not to cause jams.
. Crimps must not overlap horizontal perforations.

horizontal perforations,

. Crimps should not project through the bottom
If layers of multiple-part forms are not properly

likely to peel apart, causing feed defects.

‘0 ’

;Et--
IO

1

10

,

._A___

I<

the forms will tear at

shee,t.

:Loose.

If crimps overlap

t:he

perforation.

f,astened,

the layers are

B02P-1500-OOOlA...05 2 - 15

(2) Misalignment of paper

Misalignment between layers should be within the range shown in Figure

2.15.

Misalignmen;t

= 0.5 mm or less

or

Figure 2.15 Allowable incorrect alignment of multiple-part forms

(3) Thickness of parts

Thickness of parts should be uniform.
area must be within 0.076 mm

(including edges) is 0.6 mm (0.0236"). Table 2.8 indicates recommended

bond weight of each layer according to forms type.

(0.003").

A:

holes

B:

Misalignmen,t

c:

MLsa1ignmen.t

perforations

D:

Misalignment of vertical

perforatiom

less

Thickness deviation in the print

Maximum total thickness of forms

of pin feed

of edges

of horizontal

2 - 16

Table 2.8 Recommended bond weight of forms

Forms type

-~ ----...-~~-i.-

Single-part forms

Forms with

leaved carbon paper

Carbon-backed forms

-~

Forms using
carbonless copy

paper

inter-

--. l-r--.
.~-j -=I;;

iL

I5

No. of parts

_..~~. -~.~-.

1

2

1

'

5

2 and 3

4

B02P-1500-OOOlA...O5

Recommended j Minimum I Maximum

-~--

Bond weight (pound/bond)

17 ~

14 I

12.5

11

13

11

-

4

125 /

)

I 11

15

-

:

11

/

28

17

:;

11
17

11

When

multiple-part forms are used,

parts (layers), HOWeVer,

the weight of each part should be that given in

the forms can have different weights of

Table 2.8 according to the number of parts.
When forms ar too thick, density fading between the top and bottom of each

character will occur.

When forms are too thin, they will be damaged and a

feed defect will occur.

(4) Forms causing feed defects

The following forms are likely to cause feed defects, excluding those

described before:

. Multiple-part forms with layers whose thickness or number varies by

section, such as shown in Figure 2.16.

Glued

portions

'Glued portions

Figure 2.16 Multi-part forms with layers of different thickness

. Multiple-part forms with layers glued in the print: area (Printing should

not be done on the glued portions.)

. Carbon paper which is covering pin feed holes of uultiple-part forms

(see Figure 2.17.)

Pin feed hole

Carbon paper

Figure 2.17

Carbon paper covering pin feed holes

. Self-adhesive label form with labels whose all sides are cut (see

Figure 2.18)

Such forms are likely to peel off.

The forms feed 'direction side of every

label must be perforations to prevent peeling.

BOZP-1500-OOOlA...O5

2 - 17

Forms

feed direction

allowable Unallowable

Figure 2.18 Self-adhesive label forms

2.5.4 Ambient conditions for forms

The following are the ambient conditions in storage and usage:

(1)

Storage

Temperature should be with 10°C to 30°C and,

(2) Usage

Temperature should be within

70%.

If the conditions where it is stored and used are different, keep

1O'C

to

30°C,

and relative humidity 30% to

the paper for more than 48 hours in the environment where it will be used

before using. it.

2.5.5 Purchase order for forms
ordering forms, specify the following items:

m-K?*

Forms dimensions

The number of parts

Bond weight of each part

Perforation position
Perforation dimensions (tie and cut) for horizontal and vertical
Carbon paper position (If carbon paper is used)
Carbon-backed position (If carbon-backed paper is used)
Fastening method for multiple-part forms
Color of each part
Type of carbon paper (If carbon paper is used)
Carbon color (If carbon paper or carbon-backed paper is used)
Copy color (If carbonless copy paper is used)

Preprint on forms

relative humidity 30% to 70%.

ones

For more detailed specifications, specify as required.
forms, prepare a sample in advance and test it.

Order after confirming that it

When specifying special

will work.

2 - 18

B02P-1500-OOOlA...O5

2.6 Format Control Tape

(FCT)

The 8- and 12-channel format control tapes

format

the FCT unit.

2.6.1 Medium quality

Medium used for the FCT should be:

Total thickness:
Light transmittance: 5% or less

The FCT made up of a polyester resin film and paper would be stronger at
tensile, tearing, and folding.

2.6.2

The FCT dimensions vary with the 8- and
as shown in Figure 2.18.

control data into the forms control buffer

FCTs

must conform to the following FCT specifications:

0.100 to 0.110 mm (0.0039" to 0.0043")

Dimensions

(FCT)

are used for loading vertical

(FCB) o:E

i2-channel FCTs.

the printer using

The dimension must be

B02P-1500-OOOlA...05 2 - 19

9.96 + 0.05

Refe

-

,3.40

k 0.04

(1.000”‘0.002~)

4~.~04fO,ljO (1.6:22”?0.005”i

.A\:

Total tolerance

0.005 inches

0.013 inches for

for lOsprocket-hole

pitches

pitches

,&channelFCT)

50

sprocket-hole

30.602tO.

-e

-&

+

I i (0.8 I l”f0.004”)

(Channel-l side)

-‘-

-0.03

,n

Inl”+o

-. . - -

,

itI--

(0.0697”‘0.0020*)

-0.001")

.77*0.05

---.

1) The Y-Y' line is a sprocket-hole
center line perpendicular to the
reference line.

2) When diameters of damaged sprocket
holes become 0.005 inches wider

than normal, replace the FCT.

Figure 2.18 Specifications of

2- 20

B02P-15@0-OOOlA...05

Y‘

(I?-channel FCT)

c:

Reference line

FCT

CHAPTER 3 CONFIGURATION

The printer consists of the mechanical unit, control unit, forms rack, rear

door and cabinet.
The operator panel,

control unit.

The top cover and front door are included in the cabinet.

control circuit board, and power supply are included in the

Figure 3.1 shows their locations.

Rear door

Powersuppiy

Operator

/

pane1

\ Front

door

Figure 3.1 Printer configuration

BOZP-1500-OOOlA...03

3-l

3.1 Mechanical Unit

The mechanical unit consists of the following:

. Base unit (includes the print-band drive section)
. Print unit
. Forms feed unit
. Ribbon unit

(1)

Base unit

The base unit is fixed to the cabinet frame.

motor, a pair of band pulleys,

and a variable-reluctance transducer for

A platen,

a print-band drive

detecting each type location are in the base unit.

The print-band drive section has a simplified structure for easy
print-band replacement by the operator.

(2) Print unit

The print unit is attached to the base unit and consists of four

haPmner

magnet assemblies and a print unit frame.

The print unit can slide horizontally to the base unit by using a lever on

the base unit to make the forms path wider so that an operator can easily
load

forms.

The hammer magnet assemblies consist of magnet assemblies and hammer
assemblies, with hammers for 136 print positions.

quality, rotary-type hammers are employed.

Hammer magnet coils are

To improve print

arranged with sufficient space around them to ensure hammer-unit

compactness.

(3)' Forms feed unit

The

forus

feed unit is fixed to the print unit frame.

A pair of forms

tractors with a lever for adjusting their horizontal position, forms

tractor drive mechanism,
forms feed unit.

The ADVANCE FORMS knob for adjusting the vertical forms

and a stepper motor to drive the unit are in the

position, and the SHIFT FORMS knob for adjusting horizontal forms position
are also provided.

(4) Ribbon unit

The ribbon unit is fixed to the base unit.

KOlbS?CS,

a ribbon

feed,motor,

a ribbon feed sensor,

It consists of ribbon feed

ribb#on

guides, and a

ribbon container.

3-2

B02P-1500-OOOlA...03

3.2 Control Unit

The control unit consists of the following (see Figure 3.2):

. Control circuit
. operator panel
. Hammer magnet driver (with the register unit only for

. Power supply

Control circuit

(1)

The control circuit is on one PC board and is installed in the maintenance

which can be accessed by opening the forms rack at the rear of

(2)

section,
the printer.

The control circuit uses 2 microprocessors; one for interface control and

the other for printer control.

The LSI for print control reduces the number of parts and improves

reliability.

Operator panel

The operator panel is located at the upper front of the printer. Control

switches and indicator lamps on the operator panel

M3l343)

ar'e

on a PC board.

Hammer magnet driver

(3)

The hammer magnet driver for the 136 magnets is on one PC board. In

113040,

connected directly to the magnet assembly on the PC board. In M3043, the

hammer magnet driver is installed near the control circuit board and the

lead from the magnet assembly is connected to the hammer magnet driver
through the register unit.

A simple circuit is achieved by using custom
enabling easy detection of faulty columns.

Power supply

(4)

The power supply consists of the supply unit and a transformer.

The transformer is connected to an AC input through a line filter and a
circuit breaker.

switching the appropriate tap on the transformer.

The power supply unit has regulation circuits for logic circuits and
hammer magnet driving,
control relays

M3041, M3042, it is installed on the rear of the print unit and is

ICs

and a transistor array,

Input voltages of 100 to 240 V can be selected by

a forms feed stepper motor drive circuit, and

for the AC motor.

B02P-1500-OOOlA...03 3-3

7

(only for

M3043)

Mainframe

.AC

input

Inpuf/outpuf

mterface

--/

L--------J

COllt~Ol

circuit

L

Power supply

Figure 3.2 Control unit

Hammer magnet

Mechanical unit

I

-

3-4

B02P-1500-OOOlA...O3

CHAPTER 4 DPC-COMPATIBLE INTERFACE

This chapter describes the DPC-compatible interface used for the I/O interface
connected to the

M304x

series line printer (printer).

4.:

Basic printer operations, data transfer, printing, and forms feed are shown in
Figure 4.1.

I

Operation Outline

/

Dara

transfer cycle

Print

data

Control code or the Skip 01 Space command

with the

Data edition

Paperlnsrruction

signal

Data

rransfer

Print data

c:ycle

F

Print

cycle

Data Request=

I

j

1

Approx.14ms 1

Figure 4.1 Basic operations

The printer starts the print cycle after receiving l-line print data sent from

the mainframe and one of the following:

. Control code (LF, FF, or CR code)

. Skip command (with the Paper Instruction signal =
. Space command

For the control codes and the Paper Instruction signal, see Sections 4.3.2 and

4.4.2.
the control code or with the Paper Instruction signal.
Data Request signal to one 14 ms before terminating forms feed and starts
receiving the next line of data during forms feed.

After l-line printing,

(with

the Paper Instruction signal = 1)

the printer starts the forms feed specified by

B02P-1500-OOOlA...05

1)

The printer sets the

Therefore, unless the next

4-1

line data is received within 14 ms,

the print speed of the printer drops and

does not achieve the rated print speed.
If the control code or the Paper Instruction signal is received without print

data,

the printer does not print and only feeds forms.

If the received print

data is more than 132 or 136 bytes (one of them is selectable), data of the

133rd,

than 132 (or

137th or higher byte is ignored. If the received print data is less

136)

bytes,

the remaining data is printed as spaces.

The print operation above is shown in Figure 4.2.

Control code or the Skip or Space command

with thePaper Instruction signal

Data edition

I

Data Request= 1

Print operation for

bytes' fo 136

Fuigure

4.2 Print operation

4.2 Interface Signals

This section explains the interface signal functions and physical
specifications.

4.2.1 Interface signal lines
Table 4.1 explains the OPC-compatible interface signal lines. Figures 4.3 a

4.4 show the timing chart of this interface and the timing specifications in
data transfer respectively.

This printer has a print data buffer

(PDB)

for 136 characters.

While a WMR

signal and Online signal are being generated, print data is received according

to the Figure 4.3. Printing starts after the following control code or Paper

Instruction signal is received.

4-2

BO2P-1500-OOOlA...O5

Table 4.1 DPC-compatible interface signal lines (Positive logic)

Signal name

Signal

level

(+)

Direction

COiltfSlltS

kite Machine

Leady mire

Online

Data Request

CDTRQ,

Write Strobe

(WSB)

1 0

5v 0

1 j

'5V

5v 0

5v

0

0

System-Printer

1

This signal is high (logical 1) when the following

conditions are satisfied for

. Power has come on and all voltage levels are

nollna1.

i EE H~~"b,"~~:'i:'~~:",e,.,,ed.

Initlallzatxon process has been completed.

. The hammer drive system is normal.
. An error is nor dececced.

This signal enables information to be transmitted

with the system connected to the printer and goes

high when the following conditions are satisfied:

. Write machine
. The START/STOP switch is pressed.

. The print band is rotaxing normally.

A synchronizing signal for data transferred from

the system, and is high when daEa from the system

can be accepted.

This is a strobe signal for Write Information

the printer. The printer resets its Data Request
signal when the leading edge of this strobe signal
is received.

beady (FMR)

the

printer:

is 1.

to

Write
Information

(WIFl-8)

Buffer Clear

(BCLR)

connect 1
Connect 2 of the interface connector.

Paper
Instruction

l-8

(PI) /

5v

5v

- i-

5v

0

0

0

This is

7-bit codes, WIFE can be ignored by setting.)

The data for one line scored in the buffer of the
printer is cleared by this signal.

This signal is used for confirming the connection

connector is connected, the Connecr 1 and Connect 2

lines are connected.

'Ibis

by the sysrem. When this signal is logical 1, the

input data on the WIF lines is stored in the FCB.
This signal is checked 'by the printer at the timing
of the Write Strobe signal in the same way as WIFl

to

WIFE. For derails, see Section 4.4.2.

the

input data from the system. (For ASCII

When the interface

signal is high when forms control is performed

BOZP-1500-OOOlA...05 4-3

Table 4.1 DPC-compatible interface signal lines (Positive logic) - continued

Signal name Direction

System-Printer

Write

Information
Parity

Write Check

(++)

paper

Cc-)

Bottom of Form / 5 V 0

(++)

Top fo Form

(++>

IDENT
IDEw 1

(WIFP)

Moving

0 (++)

l5V oi

5v 0

5v

0

COIltentS

Even parity signal for data from mainframe.

! parity is also available by setting. This signal

can be ignored by setting.

If a parity error occurs in

/

sysrem,

I

When rhe

signal is logical 1.

when

i

this signal is logical 1.

‘Ihis signal indicates the type of print band.

IDENT 1 IDENT 0

this signal is logical 1.

s

signal is logical Lwhen

last line on a page is being printed, this

the first line on a

0 0
1 1
0 1

1 0

Undefined

48-character-set print

64-character-set print band
96-character-set print

!JIF

signals from

rhe

paper

page

is being printed,

the

incwes.

band

bend

+ Signal level 1 Active

Signal level 0

Fake

Negative logic is also available by setting (except for Connect

signals).

+t These signals can always be set 0 by setting.

4

-4

B02P-1500-OOOlA...06

l/2

The START/STOP switch is pressed.

DTRQ

WSB

Figure 4.3 Basic data transfer operation

WMR

DTRQ

WSB

WIFl-

PI

BCLR

VIF8,VIF P,

Max

!

Min

\

I

530nS -rSOnS

A

1 Min

Figure 4.4 Timing of signals in data transfer

(

Data stable

4-5

4.2.2 Physical specifications of interface signals
The physical specifications of DPC-compatible interface signals consist of

electrical characteristics,
assignment specifications.

(1) Electrical characteristics

Signal levels must be within the following ranges:

Low level 0.0 to +4.0 v

High level

+2.4

interface cable specifications, and connector pin

to

+5.0

V

Note:

The interface signal driver and receiver must be the same as those shown
in Figure 4.5.

. Driver

. Receiver

The signal levels above are at the interface

Incorrect signals may be sent in power-on and

5V

220R

T

Printer

--w-

SW406 01

equivalent

I-

-J-J- To usersys*sm

conn#ector.

pow,er-off.

Figure 4.5 DPC-compatible interface signal driver and receiver

(2)

Interface cable

Twisted pair cables with a shield must be used for the
The cable length must be 50 feet (15 m) or less.

4-6

B02P-1500-OOOlA...05

:interface

cable.

(3)

Connectors and pin assignment

Either an Amp-type

car

Winchester-type connector is available for the

interface connector of the printer. Figures 5.6 and 5.7 show Amp-type and

Winchester type connector pin assignment.

NO.

1

2

3

4

5

6

/

Signal name

WIF

3

(WIF 3)

(WIF1)P.TN

(WIF2)RTN 21 Online

(Online) RTN

&MR) RTN

RTN

/ No. 1

I

18 (WIFS)

I

j

19 WIF

20

j

22

23

Signal name

1

WIF 2

WMR

Data Request 39

KTN

( No/

1x1

/ 35 1(WIT 7)

36

'
I

37

/ (Write

38

1

Signal name

WIF5

WIF 7

Write Strobe

RTN

Strobe) FZN

7

(Dan Request)

8

(Top of Form) RTN

I

9

(Bottom of

10

11 (Write Check) RTN

12

13 /

14

I.5

16

17

(Paper Moving) RTN

+5

V hax. 200

(WIF P) RTN Buffer Clear

(Paper

(Buffer Clear) RTK

(IDEhT 1) RTN

Insrruction) RTN

RTN

Form) RTN

mA)

Connector specifications

&np

205740-l

Amp 205212-l.

OIT

equivalent (Printer side)

66506-9, or

24

25

m

1 28 ( WIF 8

/

29 / WIF P

! 30 I

) 32 1 (IDENT O! RTN

33

Top of Form

Bottom of Formj41

Paper Instruction / 46 ~Connect 2

equivalent

i

, 40

j

48

49

50

-lIr

(Cable side)

(WIT 4) RTN

I

1

WIF 4

E:',"' RTN

tWIF 8) RTN

Connect

/

Irma 1

IDENT

I

0

Figure 4.6 DPC-compatible interface connector pin assignment (Amp type)

B02P-1500-OOOlA...OS

4-7

Write Check

Ccnnector specifications
MRA50S-D5J made by Winchester (Printer side)
MRAC50P-JTDH8 made by Winchester (Cable side)

Figure 4.7 DPC-compatible interface connector pin assignment (Winchester type)

4.3 Character and Control Codes

Table 4.2 shows character and control codes.

a bold faced line indicate control codes,

character codes (ASCII codes). The table shows character codes of

In ‘i-bit mode,

character codes

X'OO'

to

X'7F'

In the table, areas enclosed with

whereas the other areas indicate

&bit

mode.

are available. Character codes

with an asterisk in the table vary with the print band for each country, as

shorn

in the lower table.

4-8

B02P-1500-OOOlA...O5

Table 4.2 Character (ASCII) and control codes

C0llntrJ

U.S.A.

U.K.

FIXI-IC~

Note:

Code

Codes with an asterisk in the table above vary with the print band

for each country as follows:

X’24’

X’23’

<t

E S @

X’f+O’ X’SB’ X’SC’ X’SD’ X’SE’

[

S @

s

e

\ 1

[

O

\

1

c

B02P-1500-OOOlA...05

-

.

^

.

5

-

.

4-9

4.3.1 Character codes

The ASCII code is used as the standard character code.

If the printer receives a character code not specified in the character code

table or not included on the print band, the code is changed

(X.20')

X'AO'

(regarded as 0) by setting, and a character corresponding to

X'20'

and no character is printed for the code.

to X'FE' is received in 7-bit mode, the WIF8 signal can be ignored

to

X'7E'

is printed.

For the setting method, refer to

If a character code from

130

the space code

leach

code from

#Operator's

Guide.

When receiving character codes, the printer sequentially

internal buffer (IBF).
are printed after a control code is received. The IBF is
printing.

4.3.2 Control codes
The line feed

codes indicated in the area enclosed with a boldfaced line in Table 4.2.
printer starts an operation, such as printing and forms feed when the control
code is received.

(1)

LF code

When receiving the LF code, the printer starts printing characters

corresponding to the received character codes from column 1. After

printing the characters, the printer spaces. If the number of character

codes received before the LF
characters are treated as spaces. If the LF code is received without
character codes, the printer does not print, it only feeds forms.

(2) FF code

The character code received next is for column 1.

(LF),

(X'OA')

(X'OC')

Characters corresponding to the

form feed

(FF),

and carriage return (CR) codes are control

code,is

less than 132 (or

load,s

them in its

loade'd

character codes

cle,ared

after

136),

the remaining

~~

The

When receiving the FF code, the printer starts printing characters
corresponding to the received character codes from column 1. After
printing the characters, the printer feeds forms to the top-of-form

line,

If there is no channel 1 in the loaded FCB data, the printer feeds forms
to the first line on the next page.

1, see Section 4.4.1.

the FF code is less than 132 or 136, the remaining characters are treated

as spaces.

If the FF code is received without character codes, the printer does not
print,

or channel-l line, the printer feeds forms to the next 'TOF or channel-l

line.

(3) CR code

When receiving the CR code, the printer starts printing
corresponding to the received character codes from column 1. One of the

following modes are available for the operation after printing:

4 - 10

or if FCB data is loaded, to the line with channel I.

For definition of the TOF and channel

If the number of character codes received before

it only feeds forms.

(X'OD')

B02P-1500-OOOlA...05

Even if the forms are positioned at the TOF

ch,zxacters

(TOF)

. Mode without forms feed

The printer does not feed forms after printing.
code without character codes, the printer does nothing.

. Automatic spacing mode (IF code mode)

The printer spaces after printing.
character codes, the printer only spaces.

LF

code in this mode.

One

of the modes above is selectable by setting at the operator panel.

For the setting method, refer to Operator's Guide.

(4) Undefined control codes

Control codes undefined in the control code area in Table 4.2 are treated

as space-codes.

4.4 Format Control
To control forms feed, in addition to control codes, the printer uses format

control functions that specify the form (page) length and the page print
format.

These functions are as follows:

When receiving the CR code without

The CR code is treated as the

When receiving the CR

.

Forms

control buffer (FCB)
. Format control tape

. Form length function

The FCB and the form length function are standard
The FCT unit can be incorporated as an option.

When the FCT is not used, format control data is loaded

'system) into the printer in online mode.

data is loaded from the FCT unit into the printer in offline mode.
The format control data is indicated with channels which is used by software to

specify special positions of the form.

4.4.1 Definition of the top of form (TOF) and the bottom of form

The TOF and BOF are used for forms feed control.

(1)

TOF

The TOF is defined as follows:

(FCT)

unit option

feature:5

When the FCT

of this printer.

f,rom

the mainframe

i:s

used, format control

(BOF)

. When the FCB data has been loaded,

1 is first specified in the FCB data.

.

When

the FCB data has not been loaded or when channel 1 is not contained

in the FCB data,

the TOF is the first line on the page.

B02P-1500-OOOlA...05

the TOF is the line to which channel

4 - 11

(2)

BOF

The BOF is defined as follows:

. When the FCB data has been loaded,

channel is first specified in the FCB or FCT.
specified with any channel
channel specification method, refer to Operator's

. When the FCB data has not been loaded or when the

contained in the FCB, the BOF is the last line on the form (page)

without the skip-over perforation specification.

of lines skipped to the perforation is specified using the skip-over

perforation feature, the BOF is the last line not skipped. For the

setting method of the skip-over perforation feature, refer to Operator's

Guide.

4.4.2 Specification of a forms feed format

The forms feed information must be loaded into the FCB before forms feed,

except when a control code, LF code, or CR code, is specified.

The FCB data is loaded from the mainframe via the I/O interface or from the

optional FCT unit.

FF code or by the Skip command transferred after print data.

Form (page) length and line spacing
For the setting method, refer to Operator's Guide.

The loaded FCB data is used for forms feed control by the

number at

(6/8

the BOF is the line to which the BOF

(The

the operator

LPI) are set at the operator panel.

BOF

channel can be

pane.L.
Guidq.

SOF

channel is not

That is,

For the

if the number

(1)

Format specification by FCB

The format control data is loaded from the mainframe into the FCB of the
printer in online mode.

WSB

PI

WlFl-

SIF8

Note:

x

star1 code

i)

2)

---vv

-----

t

Y'6C‘
X‘bD'
X'6E‘

The PI signal level indicated by dashed lines can be either high or

low.

The Ln and

L

Format control
data of line I

Iln

Figure 4.8 shows the timing of FCB data loading.

----­HI

indicate a low-order byte and a

-_---

-----

L2

Formar ionrrol

data of

line

2 X'6F'

HI

+t

-+t-

>cjW=~

hi;gh-order

-

Stopcode

byte.

4 - 12

Figure 4.8 Timing of FCB data loading

B02P-1500-OOOlA...O5

If the data code expressed by

the Paper Instruction signal is 1,

WIFl

to WIF8 is

X'6C', X'6D',

or

X'6E'

the printer treats the data code as the

when

start code for FCB data loading and loads into the FCB the data following
the start code, until the printer receives the stop code
code is

also

sent with the Paper Instruction signal.

X'6F'.

The stop

The transferred data is first loaded into the print data buffer
the IBF.

Then the interface control

(IFC)

microprogram loads the data

(PDB)

in

into the FCB and knows the number of lines per page by counting the loaded

FCB data bytes.

Table 4.3 shows the definition of the start code.

Table 4.3 Definition of the start code

WIF

87654321

01101100 6C

01101101

01101110 6E

Note:

_ Code

oiex)

6D

Line spacing is 6

Line

specing

Ipi.

is 8 lpi.

Forms are fed in 618 lpi when specified

Operation

I

:
1

Six or eight

ehe operaror

I

lpi

specification from

panel ignored.

ac

the operator panel.

WIF8 is ignored and treated as 0 in 7-bit mode.

In Figure 4.8, L1H1L2H2...LnHn (2 _
data.

Each L or H is one byte of data.

control data for one line on the form.
data for line 2, and so forth.

L,H,

_

< n < 2.55)

is the format control FCB

Each pair

LiHl

is data for line 1,

Iof

is data for the last line, and

indicates the total number of lines on a form (page.).

of the 2-byte line format data specifies a channel

the second byte
shows the correspondence between channels and

(H)

specifies a channel number from 7 to 12.

WIFl

Data L

Note:

8765432,

WIF

signals

Specified
channel

I-­Ix

L-

0

I I

6

5

4

I I I

3

?

X do not care. (In 8-bit mode)

1

8

7

6 ,5 4 3 2 1

:number

to WIF8.

Data H

an L and H is format

L2H2

is

n

The first byte

(L)

from 1 to 6 and

Figure 4.9

Figure 4.9 Correspondence between FCB data channels and bits

B02P-1500-OOOlA...05

4 - 13

Even if FCB data other than
WIF7 is ignored (treated a 0) and WIF6 to
control data and stored in the FCB.

when stop code

X'6F'

is used.

X'6F'

(stop code) is received with WIF7 = 1,

WIFl

are treated as format

However, WIF7 should be 0, except

The total number of bytes contained in the FCB data LlHlL2H2...LnHn must
be

even.

At that time,

If it is odd and the stop code

X’bF’

follows, an error occurs.

the printer feeds forms determining that the Hn byte not

received (data of channel 7 to 12) for the last line is

'1'00'

and that the

total number of lines on a form (page) is n lines.
If n is 1,

an error occurs because there must be 2 or more lines on a

page.

If n is greater than 255 -- that is, more than 255 lines are specified for

a page -- an error occurs and data from the 256th line and after is lost
because the FCB holds only 255 lines. The printer feeds forms for a
maximum of a 255-line page, storing up to L

line 255, in the FCB.

The stop code is required because the printer

255'255'

which corresponds to

continues FCB data loading until it receives this code.

FCB data must be loaded after character codes of a previous line are

received, printed,

and cleared because character codes are destroyed and

data is loaded into the FCB incorrectly if the printer has unprinted

character codes in the PDB before the FCB load start code.
Line 1 must be set to the print line of the printer before or immediately

after FCB data loading because the FCB address counter is reset to 1 after

FCB data is received (that is,

the printer treats line 1 as the print line

after FCB data is loaded).

If the printer receives start codes other than

X'6C', X'6D'

and

X'6E',

it

feeds forms as though it had received a Skip or Space command.

Example of FCB data:

. Line spacing:

6 lines/inch

. Form length: 66 lines

Figure 4.10 shows the channels specified for a forms feed format.

Table 4.4 lists the FCB data.

It is assumed that the BOF is set to

channel 12 in the printer.

4

-

14

BOZP-lSOO-OOOlA...OS

Perforation

Line 4: TOF (ch.1)Line 4: TOF (ch.1)Line 4: TOF (ch.1)

--

-

Line 7:

Line 7:

Line 7:

Line 1 1: ch.4, ch.

Line 1 1: ch.4, ch.

Line 1 1: ch.4, ch.

Line 2 1: ch.6Line 2 1: ch.6Line 2 1: ch.6

Line 31: ch.7Line 31: ch.7Line 31: ch.7

Line 42: ch.10Line 42: ch.10Line 42: ch.10

Line 51:

Line 51:

Line 51:

Line 60: BOF (ch.12)Line 60: BOF (ch.12)Line 60: BOF (ch.12)

------------------------------------------------------------

Figure 4.10 Channels specified for a forms feed format

ch.5

ch.5

ch.5

ch.1

ch.1

ch.1

I,

I,

I,

IO

IO

IO

ch.8

ch.8

ch.8

::

BOZP-1500-OOOlA...O5

4 - 15

Table 4.4

VPU

data example

Data

seauence

1

2-7

8

9 00

10-13

j

i

Line 12/

cnannel

11l1019/ al 7 I

6/j/4

6C

00 l-3

01 1 I i

00 5-6

i i ! I /

i
I

/

, 1

I

I / / I I

I

I3i21l

Data meaning

4 - 16

B02P-1500-OOOlA...05

Channels 11 and 8

BOF

(Channel 12)

(2) Format specification by format control tape (FCT)

The FCT is a looped paper tape with punched holes and sprocket holes for
feeding.
printer to notify it of a forms feed format.

The punched hole data is read by the FCT unit and sent to the

Figure 4.11 is an example of
the FCT and shows the relationship between a forms feed format and punched
holes.

EGLUE

(Perforation)

____ --------------

Channel 1 (TOP of form)

---;-.

I 0

A

!,

Channel3

Channels 5 and 7

Channel number
Channel

1

Channel3

Channel12

______

-------------

(Perforation)

Figure 4.11 An example of FCT and forms feed format

I
I

I0

I
I

IO

i 4

1--

!o

A’

.Sprocketh

, Punched hole

Cut here

s

B02P-1500-OOOlA...O5

4 - 17

There are 2 types of FCT: 8-channel and 12-channel. Figure 4.11 shows a

12-channel

the form.

the forms,

same as for 8-channel

FCT must be replaced with one for the new forms feed

The FCT is read automatically when the printer is turned on or when the

RUN switch on the FCT unit is pressed in offline mode. The RUN switch

enables a new FCT to be read.
channel 1 of the FCT is the start position, the FCT unit reads punched

hole data starting from channel 1 to the next channel 1 detected.

FCT, where each FCT sprocket hole corresponds to each line of

Punched holes, called channels,

and are used for forms feed control by software. This is the

FCTs.

When a new forms feed format is used, the old

Because the FCT unit determines that

indicate special positions of

fornLat.

The data from the FCT unit is sent

microprocessor. Then, the IFC microprogram loads the data into the FCB in

the internal buffer.

Make an FCT as follows:

Punch a hole at the first column on the center line of the first

1.
sprocket hole (channel 1 as the top of form), as

4.11.

2.

For subsequent lines, punch holes according to the forms feed format.
Note that columns 1 to 12 (1 to 8 for an a-channel
channels 1 to 12 (1 to 8 for an 8-channel FCT).
hole at the third column on the center line of the fourth sprocket
hole when channel 3 is specified for the fourth line in the forms

3.

feed format.
columns on the center line of the eighth sprocket hole when channels

5 and 7 are specified for the eighth line in the forms feed format.

Figure 4.11 shows these examples.

Punch a hole at the first column (channel 1) on the sprocket-hole
center line corresponding to the last line of the print form and cut

the FCT there.

For more examples, punch holes at the fifth and seventh

.to

the interface control

shlawn

For example, punch a

(IFC)

in Figure

FCT)

correspond to

4.

4

-

18

Align the center lines of the first sprocket hole (A in Figure 4.11)
and the last sprocket hole (A'
ends together,

Notes:

1) Because channel 1 is defined as the BOF, there must be

2) The FCT should not exceed 255 lines.

3) An FCT must be longer than 10 inches so that the FCT can

4) The FCT used for this printer must conlorm to the

and confirm that no punched holes are covered.

one hole, which indicates channel 1, per print form.

be installed in the FCT unit. When the form length is

less than 66 lines for a

a-channel

once on the FCT to extend the FCT length.

specifications shown in Section 4.5.

FCT),

B02P-1500-OOOlA...OS

in Figure 4.11) of the FCT, glue

the same hole pattern

12-channel

FCT

(100

lines for

must

be repeated

these

an

(3) Format specification from the operator panel

The number of lines per page is used to specify the page length at the
operator panel. Thus, a page length specified with 6 LPI differs from
that specified with 8 LPI even if the form is the

same

length.

The number of lines skipped to avoid printing on or too near a perforation
is also specified at the operator panel.
For the setting method,

refer to Operator's Guide.

(Skip-over perforation feature)

Figure 4.12 is an example of format specification from the operator panel.

-

---- ------..-___

Line 1

(TOFJ

Form length specification

=

881ines

Linespacing=8LPI

Skip-over perforation

=41ines

Lint:

84

-

----------------

@OF)

Skipping(4

lines)

Figure 4.12 An example of format specification from the operator panel

4.4.3 Skip and Space commands
The Skip or Space command sent via the I/O interface controls forms feed.

The

Skip or Space command is sent with the Paper Instruction signal after print

data is sent.

(1)

Skip

co-and

Skip commands feed forms up to the line corresponding to the channel
specified in the format control data (in the FCB) after printing.

WIFl

to WIF8 sent with the Paper Instruction signal is the same as that

If data

shown in Table 4.5, the printer (IFC microprogram) determines that the
data indicates a Skip command. The relationship between Skip command data
and specified channel numbers is shown in Table 4.5.

B02P-1500-OOOlA...O5

4 - 19

Table 4.5 Skip commands

xxx00010

xxx00100

xxx00101

xxx00110

-.~.

xxx00111

~-

xxx01000

xxx01001 i

xxx01010 ~

xxx01011 ;

xxx01100 I

xxx01101

xxx01110 1

-1

!

I I

j

I

1

02

03

05

I

06

07

,,--,f

09

OA

OB channel 12

cc

OD

I

OE

cl-annel

I

Channel

channel 5

Channel

channel
channel

aw.nnel

Channel 11

3

4

6

7

8

10

Error (no specified channel)

4- 20

xxx01111 i

x: Do

not

care.

OF

I

After the printer receives a Skip command and prints all characters in the
PDB, the printer feeds forms up to the line with the
number.

character code,

If the Skip command is received before the

the remaining characters are treated as spaces.

speecified

132nd

(or 136th)

channel

If the

Skip command is received without character codes, the printer does not

print, it only fees forms.

If there are several channels with the same channel number in the
after printing,
specified channel number.

the printer feeds forms up to the

Therefore,

if the forms are positioned at the

nearest

line with the

FCB,

line with the specified channel, the printer feeds forms up to the next

line that has the same channel number specified.

Even though signals WIF6 to WIF8 are ignored, if the WIF data is

X'6D'

or

X'6E'

(the start code for FCB loading), the data is treated as an

X'6C',

instruction to start FCB loading. Thus, WIF6 to WIF8 must be 0, however,

BOZP-1500-OOOlA...O5

WIF8 is ignored in

commands.

If no channels are specified in the FCB, the printer detects an error and

only prints,

specify invalid channels, the printer detects then as errors.

(2) Space commands

7-bit

mode. WIF5 must be 0 because WIF5 indicate Space

it does not feed forms. Because commands X'OC' to

X'OF'

Sopace

If data
the that shown in Tables 4.6 and 4.7, the printer
determines that the data indicates a Space command.

between Space command data and the number of lines fed is shown in Tables

4.6

commands feed forms the specified number of lines after printing.

WIFl

to WIF8 sent with the Paper Instruction signal is the same as

(IFC

microprogram)

The relationship

(15-line

feed mode) and 4.7

Table 4.6 Space commands

WIF data :

87654321iBex*

xxx10000 ~

xxx10001~

xxx10010 ~ 12

xxx10011~

i

XXX11110 ~

XXXlllll!

1

(63-line

10 0

11

13

:

1E 14

1F 15

feed mode).

(15-line

No. of lines fed

feed mode)

1

2
3

-

Table 4.7 Space commands

WIF data ~

87654321~

x0010000 ~ 10

xooloool~

x0010010 ~ 12

x0011111'

x0110000

x0110001

XOllllll~

x1010000 ~

x1010001'

Xl111110 ~ 7E
Xl111111 i 7F

Hex*

11

.

1F 15

30
31

.

*

3F
50 32
51

.
~

.

: No. of lines fed

(63-line

!

feed mode)

0

1

2

16
17

31

33

6;

63

B02P-1500-OOOlA...05

4 - 21

space

commands are used in the following modes:

.

15line

feed mode

A maximum of 15 lines can be fed.

WIF6 to

WIF8

are ignored.

. 63-line feed mode

A maximum of 63 lines can be fed.

the number of lines fed.

WIF8 is ignored.

WIF7, WIF6, and WIF4 to

WIFl

indicate

One of these modes can be selected at the operator panel. For the

selection method,

refer to Operator’s Guide.

When the printer receives a Space command, the printer feeds forms the

specified number of lines after printing all characters in the PDB. If
the Space command is received before the
the remaining characters are treated as spaces.

132nd

(or

136th:I

character code,

If the Space command is

received without character codes,. the printer does not print, it only
feeds forms.

WIF5 must be 1 because WIFS indicates Space commands.

If a Space command attemps to feed forms past the TOF position, the forms
feed can be stopped at the TOF position. This feature is called the
"step-count truncate".
panel.

For the setting method,

This feature can also be set up at the operator

refer to Operator’s

Guidl.

4

-

22

B02P-1500-OOOlA...05

CHAPTER 5 CENTRONICS-COMPATIBLE INTERFACE

This chapter describes the Centronics-compatible interface used es the
interface to the-M304x series line printer.

5.1 Operation Outline

Basic printer operations which are data transfer, printing, and forms feed, are
shown in Figure 5.1.

Conrrolcode

Data transfer cycle

Figure 5.1 Basic operations

or FCB command

Forms feed cycle

I/O

The printer goes online when one of the following conditions occurs (see
Section 5.2 for itnerface signals):

. When the START/STOP switch is pressed:

.

When

control code DC1

When the printer is online,

START/STOP lamp is on.
Acknowledge signal. In online mode,

sent

from the host, and starts the print cycle when one of the following

conditions occurs:

When the control code (CR, LF,

*

5.3.2):

. When the FCB command is received (see Section 5.5):

. when the print data buffer

The character code received first is printed in the first print position, the
one received second in the second print position, and so on.

(X'll')

The printer sets the Busy signal to 0 and issues the

and interface signal Data: Strobe are received:

interface signal Select is set to 1 and the

the printer receives: i-line print data

FF, VT, or

(PDB)

becomes full:

BOZP-1500-OOOlA...05

DC3)

is received (see Section

5-l

After printing,
code or VPU command.

the printer performs forms feed as specified by the control

When the forms are fed to the line preceding the last

line printed, the Acknowledge signal goes to 1 and the Busy signal goes to 0,

enabling print data to be received for the next line.

Thus,

the data is

received at the same time as forms feed.

The printer goes offline (the deselect state) when one of the following

conditions occurs:

.

When

the START/STOP switch is pressed:

. When the Input Prime signal goes to 1:
.

When

the printer receives The DC3 code

(X'13'):

. When the printer is inoperable (Fault state):

The top of form

(TOF)

and the bottom of form

(BOF)

referred to in this section

are defined as follows:

. TOF

When the forms control buffer
to which channel 1 is first specified in the

When the VFU data has not

the VPU data,

.

BOF

the TOF is the first line on the page.

(FCB)

data has been loaded, the TOF is the line

VPU

data.

been

loaded or when channel 1 is not contained in

When the FCB data has been loaded, the BOF is the line to which the BOF
channel is first specified in the FCB data. The BOF channel can be
specificed with any channel number from 2 to 12 from the operator panel.
the channel specification method, refer to Operator's

Guidly.

For

When the FCB data has not been loaded or when the BOF channel is not

contained in the FCB data, the BOF is the last line on the form (Page). If

-the skip-over perforation feature,

which specifies the number of lines
skipped to avoid printing at or near the perforation, is specified, the BOF
line is the last line without the skip-over perforation

sp'ecification.

For

the method of setting the skip-over perforation feature, refer to Operator's

Guide.

5.2 Interface Signals

This section explains the interface signal functions and physical

specification.

5.2.1 Interface signal lines

Centronics-compatible interface signals use both the positive and negative

logic.

voltage as 0.

For the positive logic, a positive voltae is used as 1 and a negative

For negative logic the opposite is true. Table 5.1 shows

Centronics-compatible interface signal lines.

5-2

BO2P-1500-OOOlA...O5

Signal name

Table 5.1 Centronics-compatible interface signal lines

Signal
level

(+)

Direction

COIlCentS

Data Bit 1
Data Bit

to5 V

8

(DBL-DBB)

Data Strobe

[nput

Prime

hlsy

1

0

0

5V

0

O

System---Printer

0

I

These signals are data (character code, FCB data,

control code) input from the lost co the printer.

DBS

is used when the

is used. (For ASCII

12,5-character-set

'i-bit codes,

print band

DBS

can be

ignored.)

su

-

This signal is a synchronizing clock for reading
DBI-DBB input to the printer. The data is read

at the rising edge of this signal.

SV

This signal initializes the printer. Wnen it
receives this signal, the printer clears the FCB,
PDB, and control functions and goes offline.
After clear, TOF is the first line and BOF is the

last

line.

When this signal is received during
printing or forms feed, the settings are cleared
after the operation.

When this signal is 1, the printer is not ready

to

receive data.

This signal is issued in one of the following

cases:

. During printing

. During forms feed
. During offline state (including the TEST and

SE'I UP

modes)
. When the printer is inoperable (fault state)
When the printer responds to a control code

(except the DC1 code)

. When the printer responds to each VFU data byte

following to the start: code

(X'3.D')

Acknowledge

Fault

I0

This signal is sent to the mainframe when the

5v

printer can receive data. This signal is used to

inhibit sending signal by the host until the

printer operation such as loading the received
code. This signal is sent with a 2.5 to 5.5 us
width pulse.

0

5V

'!&is signal

another or inoperable
open or end of

B02P-1500-OOOlA...O5

is issued during an error

st:ate,

such as top cover

farms.

(Fault state)

state or

5

-3

Table

5.1 Centronics-compatible interface signal lines - continued

~

Signal

!

level

Signal name~ (+)

,

i1:o

~

~

Direction

Syseem-Printer

j

j

1

I

COllCUlCS

I

ieleCt

'aper Empty

iuse

c5 v

Logic Ground

aassis

;round

~I~-

~ I ~

5v0 I

i i

-

5”j

0 i

I
( ~

I

-

/ 0

15v/

/

!
i

~-~-!

I
/

i

I
I

Ihis signal is when

i

pressing of

i

fault state.

/

DC1 code is received, because the printer goes

/

online.
1 :'dlthout this
1

data.

1

This signal is set to 1 when the end of forms is

I

detected.

the data to the end

advances the forms to the next TOF position.

printer also sends the Busy and Fault signals ant

goes offline.

This signal is 1 when the printer power is on.

j

This

/

The

maxim,um

The maximum current in this logic ground line is

; 500

1

Flame

mA.

:he

This signal is also issued when

signal,

The

is power for the external tester.

current is 500

ground

:he

printer goes online by

START/STOP switch without the

the

the hosi

printer receives and

(BOF)

cannot transfer

prints all

of the page

mA.

and

then

Ihe

1

Figures 5.2 to
timing, DC1 code receive timing,
receive timing,

-4

5

5.7

show character code transfer timing, control code receive

DC3 code receive timing, Skip-15-Lines command

and FCB data receive timing, respectively.

BOZP-1500-OOOlA...05

Select -I

Strobe +,

Acknowledge

D = 4 us OT
E = 2.5 us to 5.5

F=lus

more

/a

,

-,

i

,

/

A,

Figure 5.2 Character code transfer timing

Control code

Transferred

data

/-

I I

Busy

Acknowledge

A = 1

/JS

or

more

B = 1 ps or

c = 1

E = 2.5

H=3ps

+ The control code is the CR, LF, FF, VT, DEL, BEL, or ESC code.

l.lus

or

!JS

more

more

to 5.5

US

Figure 5.3 Control code receive

BOZP-1500-OOOlA...05

L-.

timin:g

E

5-5

Strobe

Busy

Acknowledge

DC1 code

Transferred

data

I I

-7-r-

F

I D !

E.4

Note:

Select

This is the timing chart for when the DC1 code is received while the

Select signal is 0.
signal is 1,

the Select signal is ignored.

Figure 5.4 DC1 code receive timing chart

When the DC1 code is received

P-J

whil#e

the Select

5

-6

B02P-1500-OOOlA...05

Data Bit 1

1

Data Bit

Strobe

Busy

Acknowledge

Select

Fault

8

u

Transferred
data

A

L---

/////////

Undefined

////////

B

=i

A = 2.5 MS or more

B=lOO~oorless

Note:

When receiving the DC3 code,

issue the Acknowledge signal.

Data

Bit

1

1

Data Bit 8

Strobe

Figure 5.5 DC3 code receive timing

VFU command

X‘IF

Data

the printer goes offline and does not

code

X'IF

Data

A = 2.5 /a or
B= lOO/~sormore

Note: The Busy signal is set to 1 each time FCB command code

more

are sent.

Figure 5.6 Skip-15-Lines command receive timing chart

BOZP-1500-OOOlA...05

X'IF'

and data

5

-7

Data Bit I
Data Bit 8

Data Strobe

Start code

X‘ID'

l

VFU data

I I

Stop code

X'IE'

Note:

The Busy signal is st to 1 ech time an FCB data byte is received

during a sequence between the start and stop codes.

Figure 5.7 FCB data receive timing chart

5.2.2 Physical specifications of interface signals

The physical specifications of Centronics-interface signals consist of

electrical specifications, interface cable specifications, and connector pin

assignment specifications.

(1) Electrical specifications

Signal levels must be within the following ranges:
Low 0.0 to +0.4 v

High

Note:

+2.4

to

+5.5

V

The signal level above are at the interface connector.
Incorrect signals may be issued at power-on and power-off.

The interface signal driver and receiver must be the same as those shown

in Figure 5.8.

5

-8

BOZP-1500-OOOlA...05

-Driver

-

Receiver

+5 v

SN7414

Figure

(2) Interface cable

Shielded twisted-pair cables must be used for the interface cable. The

cable length must be 25 feet (7.62 m) or less.

(3) Connector and pin assignment

An Amphenol-type can be used as the interface connector to the printer.
Figure 5.9 shows connector pin assignment.

5.8

Centronics-compatibel interface signal driver/receiver

BOZP-1500-OOOlA...O5

5-9

Pin /
No. i

Signal name

Pin
NO.

I

I

Signal

naloe

I

4

6

7

8

9

10

11

Data Strobe

19

/

(Data Strobe) RTN

I

2

1

/

5

Data Bit 1

Data Bit 2

Data

Bit

3

Data Bit 4

Data

Bit

5

Data Bit

Data

Data

Ackmwledge

Busy

paper

6

Bit

7

Bit 8 27

Empty

20 ;

22

23

24

25

26

28

29

1

30 ~

~
1

,I

(Data

Bit 1)

i

(Data Bit 2)

(Data Bit3)RIN

(Data Bit5)RTN

(Data

Bit, 5)

(Data Bit6)RTN

(Data Bit7)RTN

(Data Bit8)RTN

iAckmwledge:l

(Busy) RTN

(Input

RTN

RTN

KCN

-4

Prime:1 TRN

I

RTN

I

Sel.Xt

14

16

17

LB

I

/

Note:

. Connector specifications

Amphenol 57-40360 05 equivalent (printer side)
Amphenol 57-30360 or equivalent (cable side)

Figure 5.9 Centronics-compatible interface connector pin assignment

Tne FSN is ground line for each signal.

Logic Ground

(Reserved)

Logic Ground

Chassis Ground

+5 v

1

31 !

32

~

33 i

35 ~

36

I

/

1

Input Prime

m

(Reserved)

(Reserved)

Fuse

(Reserved)

----I

--I

I

BOZP-1500-OOOlA...05

5.3 Character and Control Codes

Table 5.2 shows character and control codes.

lines contain control codes,
The table shows character codes for

X'OO'

to

X'7E'

can be used.

print band for each country,

other areas contain character codes (ASCII codes).

a-bit

mode.
Character codes with an asterisk vary with the
as shown in the lower table.

Table areas enclosed in boldfaced

In

7-bi.t

Table 5.2 Character (ASCII) and control codes

0

mode, character codes

:

Conrra!

code

area

Noie:

Codes with an asterisk in the table above vary with the print band
for each country as follows:

B02P-1500-OOOlA...05

5 - 11

5.3.1 Character codes
The

AS~CII

code is used as standard the character code.

If the printer receives a character code not specified in the character code
table or not included on the print band, the code is changed to the space code

(X120')

printed.

the Data Bit 8 signal can be ignored (regarded as 0) by setting, and a
character corresponding to each code from
setting method,

When receiving character codes, the printer sequentially loads them in its

internal buffer
are printed after a control code is received.
printing.

5.3.2 Control code

or to a character code specified by setting, and no character is

If a character code from X'AO' to X'FE' is received k 7-bit mode,

X'20'

to

refer to Operator's Guide.

(IBF).

The character code received next is for column 1.

Characters corresponding to the loaded character codes

X'7E'

.The IBF

is printed. For the

is cleared after

The line feed
FCB command control, escape (ESC), DCl,
delete (DEL) codes are control codes contained in the area

boldfaced lines in Table 6.2. The LF, VT, FF, CR, and FCB command control

codes are called data transferred termination codes

The printer starts an operation such as printing, forms feed, loading data, or
modifying a set mode when the control code is received.

(1) Data transfer termination code

Once it starts receiving data, the printer continues to
unless it receives a DTTC, such as the CR code and FCB command control

code,
specified) (buffer-full state). When terminating data

printer sets the Busy signal to 1 and prints the received data.

printer advances the form as specified. However, if the 'LF, VT, or FF

code is received before the buffer becomes full or before the CR code is
received,
received data.
in the PDB is not printed unless the buffer becomes full
received.

a.

(LF),

vertical tab (VT), form feed

DC3, start, stop, bell

(DTTC)

or the number of received character codes reaches

the printer can advance the form as

This is set from the operator panel. The data remaining

LF code

(X'OA')

(FF),

carriage return (CR),

(DTTC).

specifided >vithout

(BEL),

enc::osed

rmeceive

1,32

(136 can be

re,ception,

,or

the CR code is

and

by

data

the

Then, the

printing

When it receives the LF code, the printer advances one line.

b.

5 - 12 B02P-1500-OOOlA...O5

VT code
When it receives the VT code,

vertical tab channel position,

except the TOF and BOF channels.

code from the operator panel.

(X'OB')

the printer advances forms to the next

which is set from the operator panel,

The VT code can be set as the LF

c.

FF code

(X'OC')

When receiving the FF code,

channel-l position
control tape
treats the first line on a page as the TOF and advances the form to
that position.

d.

e.

(2) ESC code

The ESC code is used to switch the line spacing (6 LPI or 8 LPI) from the
host.
code is required only if the line spacing must be switched.

CR code

The CR code indicates the end of a line.

code,
character codes starting from column 1. Either one-line forms feed

mode (this is the same as the mode selected by the LF code) or

forms-feed inhibited mode can be selected for after printing.

FCB command control code

When

subsequent FCB command,

cycle and prints the contents of the PDB, then advances the form as

specified.

the printer prints characters corresponding to the received

,it recei.ves

(X'IB')

The host issues the ESC code before loading the FCB data. The ESC

(FCT).

(X'OD')

For details on the FCB commands, see Section 5.5.

(TOF)

specified by data in the FCB or format

When channel 1 is not specified, the printer

two bytes of the FCB command control code and the

the printer advances the form to the

When it receives the CR

(X'lF')

the printer terminates the data transfer

The line spacing is specified in one byte after the ESC code, as follows:

ESC

(X'lB')

ESC

(X'lB')

ESC

(X'lB')

The ESC code function can be disabled by setting on the operator panel.

(3) Start code

The start and stop codes are used to load the forms feed format in the
FCB.
Busy signal to 0,
data reception,

+ 6

+ 8

+ 0

(X'lD')

Within 300 us after it receives the start

(X136')

(X138')

(X130')

and stop code

see Section 5.4.1.

Set to 6 LPI.

Set to 8 LPI.

Reset to the line spacing specified on the

operator panel.

(X'lE')

enabling FCB data to be received.

c&s,

the printer sets the

For details on FCB

B02P-1500-OOOlA...05

5

-

13

(4) DC1 code

(X'll'f

and DC3 code

(X113')

When it receives the DC1 code,
data from the host.

printer is in the busy state (Busy signal =

printer sets the Select signal to 1 and turns on the START/STOP lamp on
the operator panel.

When it receives the DC3 code, the printer goes offiine (deselect state).

In offline mode,

START/STOP lamp.

(5) DEL code

(X'7F')

When it recevies the DEL code,
next data in the PDB, as the first data of the next line.
can be inhibited by setting from the operator panel.

(6) BEL code

(X107') [option)

When the printer receives the BEL code, the printer buzzer sounds for 1

second.

5.4 Format Control

The printer is in the busy state during the buzzer

the printer goes online

a.nd

can receive

The DC1 code is the only code receivable when the

1).

the printer sets the Select signal

the printer clears the

In onli.ne mode, the

TIO

0 and turns off the

PIIB

and loads the

The DEL code

sdund.

In addition to using the control codes, the printer can use

feature,

which specifies a form (page) length and print format for a page.

,the

format control

The feature is implemented by the following:

. Loading data from the host to the FCB

. Loading data from the FCT
. Form length specification on the operator panel

The printer has the FCB and the form length specification feature. An FCT unit
can be incorporated as an option.

When an FCT is not used, format control data is transferred from the host to

the printer online and loaded in its FCB. When the FCT is used, the format

control data is transferred from the FCT unit to the printer offline mode and

is loaded in its FCB.

The format control data indicates channel numbers,

which are used by software

to indicate a special line on a page.

The format specification from the operator panel is not selected when the

format has been specified from the host or FCT in the FCB.

specification from the operator panel can be used in TEST

However,

mode.

5 - 14

B02P-1500-OOOlA...05

5.4.1 Loading from the mainframe to the FCB

The forms feed information must be loaded in the FCB before

when an LF, FF, or CR control code is specified.

The data loaded in the FCB is used for forms feed control by the VT or FF code

or

the FCB command transferred just after the print data.

Following to the start code
units for every line and is terminated by the stop code

shows an example of loading the data in the FCB.

The channel data for the first line consists of 2 bytes

code.

lines can be loaded in the FCB (356 bytes).
after the start code and also 2 bytes just before the stop code.
of bytes loaded is odd or exceeds 356 bytes,

the STATUS indicator shows the error contents.

If the TOF code is issued in the middle of the FCB data stream, the TOF code is

ignored until the stop code is issued.

Data for the second line is the next 2 bytes.

(X'lD'),

the forms feed data is sent in Z-byte

Data for a maximum of 176

The TOF (channel 1) is set just

the Fault signal is set to 1 and

froms

feed, except

(X'lE').

,just

after the start

Figure 6.10

If the number

Figure 5.10 Loading the data in the FCB

B02P-1500-OOOlA...05 5 - 15

5.4.2 Loading from an FCT to the FCB

The FCT is a looped paper tape with punched holes and sprocket holes for

feeding.

There are 2

types of FCT; &channel and

12-channel.

The punched hole

data is read by the FCT unit and loaded in the FCB.

The FCT is read automatically when the printer is turned on or when the RUN
switch on the FCT unit is pressed in offline mode. The RZN

:switch

enables a

new FCT to be read. Because the FCT unit determines that channel 1 of the FCT

is the start position, the FCT unit reads punched hole

data

starting from

channel 1 to the next channel 1 detected and sends the read data as a forms

feed format.

See Section 4.4.2 for the method for making an FCT.

5.4.3 Format specification from the operator panel

The number of lines per page is used to specify the page
operator panel.

Thus,

a page length specified with 6 LPI differs from that

len:gth

from the

_'

specified with 8 LPI, even if the form is the same length.

The number of

lines skipped to avoid printing on or too near a perforation can

be specified from the operator panel. (Skip-over perforation feature) For the

setting method,

refer to

Operator's

Guide.

5 - 16

B02P-1500-OOOlA...O5

5.5 FCB Commands

A FCB command is sent from the host via the I/O interface, to control forms

feed.

The n-line Skip commands and Skip to Channel-n commands are FCB commands.

5.5.1 n-line Skip commands

When one of the data items shown in Table 5.3 follows the FCB command control

code sent after print data, the printer determines the data to be the n-line

Skip command.

by the number of lines specified in the command.

Following the FCB control code

The printer prints all the data in the PDB and advances the form

Table 5.3 n-line Skip commands

(X'lF'),

a l-byte FCB command is issued.

Data Bit signal

a7654321

Hex

x

is ignored.

B02P-1500-OOOlA...05

5 - 17

5.5.2 Skip to Channel-n commands

When one of the data items shown in Table 5.4 follows the FCB command control
code issued after print data, the printer determines that
to Channel-n command.

the form to the line corresponding to the specified channel position in the FCB
data.

Table 5.4 shows the relationships between the Skip to channel-n command data

and channel numbers.

The printer prints all the data in the PDB and advances

Table 5.4 Skip to Channel-n commands

th,e

data is the Skip

Data Bit signal

81654321

xxx00001

xxx00010

xxx0001 1

xxx00100 /

xxx00101 1

xxx00110

xxx00111
xxx01000

xxx01001

xxx01010
xxx01011

1

I I

Hex Number of lines fed

01
02

03

04
05

06

07

08

09
OA Channel 10

OB

Channel
Channel

Channel

/ Channel 4
/

Channel 5

Channel 6

Channel 7

/

Channel 8

Channel 9

Channel 11

1
2

3

I

I

-4
I

I

xxx01100

xxx01101

xxx01111

If an undefined command or a channel No. no loaded in the FCB is specified, the
printer enters the fault state and displays error information on its STATUS
indicator.

5 - 18

B02P-1500-OOOlA,..05

oc I
OD

'

Channel 12

Undefined
An error

OIO 353

occurs,

\

8472YOs

CHAPTER 6 RS-232-C INTERFACE

This chapter describes the RS-232-C interface used for the I/O interface

connected to the M304x series line printer (printer). The printer conforms

with the EIA RS-232-C interface logical level and has various functions.

6.1 Operation

The basic printer functions are as follows:

-

Feeds forms according to Line Feed

(FF),

and Vertical Tab (VT) codes.

-

Downloads the forms control buffer

Load FCB Data command.

-

Feeds forms as specified by the Space n Line command or the Skip to Channel

n

command.

The printer receives serial data transmitted from the host, assembles it in to

'I-bit or 8-bit data, checks for even, odd, or no parity, and writes the data in

the

2K-byte

host by using the Reverse Channel signal

Asynchronous data consists of a start bit, 7 or 8 data bits, a parity bit

(unless no parity), and 1, 1.5, or 2 stop bits (Teletype procedure). A band of

2.4, 4.8, 9.6 or 19.2 K can be set for the printer.

Figure 6.1 shows the basic configuration of the RS-232-C interface circuit.

Outline

(LF),

Carriage.Return (CR), Forms Feed

(FCB)

data from the host sent with the

interface buffer. The interface buffer state is transmitted to the

(SCA

or

SRS)

or the XON/XOFF code.

B02P-1500-OOOlA...O5

6

-1

6.2

,Interface

This section explains the interface signal functions and physical
specifications.

6.2.1 Interface signal lines

Signals

The RS-232-C interface uses
0 and the negative voltage is logical 1. Table 6.1 lists the RS-232-C
interface signal lines and their functions.

Table 6.1 RS-232-C interface signal lines

Signal name

Received Data

@.D)

i

Transmitted
Data

(TD)

Signal

level

-

1

i

I

I

SystepPrinter

7

I v

negative

Direction

logic when the positive voltage is logical

1

Funceions

I

I

I

This signal line receives serial data from the

host.

This signal line must be 1 (marking) when the

Received Line Signal Detector line is logical 1.

mis

t

signal line transmits codes XON and XOFF,
and reports printer status to the host.

'Ihis

signal line is 1 (marking) when the Request

I

to Send signal or Clear to Send signal is 1.

i

Request to
Send

(RTS)

When this signal is 0, the

the host to send data or is transmitting data to
the host.

After this signal is turned on

to

Send signal goes on

transmitting data. For operation details, see

Table 7.2.
Note: When the RTS line protocol is used, this

signal does not operate as described

above.

For

printer

CO):,

the printer begins

details, see Section 4.4.

is requesting

(0)

and the Clear

Clear to

(CTS)

6-4

Sendt-3 U

L

IV /

This signal is turned on

that the RTS is 0 and data from the printer can
be received. For operation details, see Table

I

7.2.

L

BOZP-1500-OOOlA...OS

wl~en

the host confirms

Transmitted Data

universal synchronous asynchronous receiver/transmitter

transmitter/receiver

(RTS),

and are also connected to USART through the T/R.

The
microprocessor
address lines

The interface MPU operation is controlled by microprograms stored in the ROM.
Microprogram execution is described below.

-

and Clear to Send

USART

transmit/receive request line

Receiving data

(TD)

and Received Data

(T/R).

(MPU)

via

are

also connected to the interface buffer and internal bus MPU.

The Data Terminal Ready

(CTS)

control lines are provided for these data lines

&bit

bus lines and address lines. The bus and

(RD)

lines are connected to the

(USART)

(DTR),

(IRQ)

is connected to the interface

through a

Request to Send

When one-word data is generated in the

USART

issues a receive request interrupt to the interface MPU. The interface

MPU reads the data, decodes it, and checks whether it is a Status Request

command. If not,
If so, it responds with the printer status.

-

Transmitting data

When data transmission is necessary (for the printer status

transmission, or local loopback test), the interface MPU

writes data in the USART every time the LJSART issues a transmit request

interrupt.

-

Commands to the internal bus

When writing data into the interface buffer begins,

a control code or control sequence written in the interface buffer and
decodes it,

Whether the command sent from the internal bus MFU terminates or not, if a
mechanical error or operator intervention request (indicated by the

Intervention Required signal) occurs, it is reported to the interface

If the command termibates normally,

command.

than issues a command to the internal bus

the interface MPU stacks the data in the interface buffer.

MPU

USART

from the serially sent data, the

the interface

reponse,

USART

data and

the!

interface MPU detects

MPU.

MPIJ

issues the next

XON/XOFF

MPU.

If printer operation is stopped due to a mechanical error or an operator

intevention

interface MPU stops issuing the next command to the internal
reading data in the interface buffer until the mechanical error is corrected
or the operator intervention request ends.

The amount of data transmitted from the host can be reduced by the Repeat
Character command or the Move Horizontal Position command or by the Horizontal
Tabulation
Horizontal Tab Stop Data command.

A line feed pitch of

command.

Half Line Feed command.
Responding to the Status Request command from the host, the printer reports its

status

(startus

request (the internal bus MPU cannot operate in this state), the

MPU

and stops

(HT)

code using horizontal tab stop data downloaded by the Load

6/8

lpi can be selected by the Select Vertical Pitch

A half-line feed pitch of 12 lpi can also be selected by using the

response).

BOZP-1500-OOOlA...05

6

-3

Table 6.1 RS-232-C interface signal lines

-

Signal name

Data Set

Ready (DSR)

L

%ta

Terminal

.eady (DTR)

T

-

-

-3 v

-3 v

1

/

­)

­3 v

-

3v /

SysteHrinfer

Direction

-

IZontinued

Functions

+

When

this signal is 0, the host is ready to
transmit data (data
1, the printer ignores data on the Receive Data

(RD)

line.
Data on the RD line can be validated regardless
of this signal state.

This

signal is 0 when the host is in data mode.

It is 1

during local

One

t

operator panel.

1.

when

the host

loopback

of the following modes is selected the

DTR

Constant Cm mode
If power is turned on and no en-or occurs in
the printer, the printer sets this signal to
and is ready to start: (ready to print the
received from the
starts, this signal

If power is turned on and an error occurs in
the printer, this
the printer is nor
state occurs, this signal can be set to D and
the printer can be ready to start by
correcting the cause of the error and pressing
the

START/STOP

modr!). ‘&en

ir;

in test mode (e.g.,

test).

This si.gnal

hoa).

i.s

not set to 1.

si(pnal

is not set to 0 and

rsady

switch.

this signal is

operates as follows:

After the printer

to start.

If this

(

datz

2. Drop DTR Start/Stop mode

ibis signal is set

riming:

- No error occured, and

-

The START/STOP switch was pressed.

This signal is set

timing:

- An error occurred in the printer,

- The

START/STOP switch was pressed.

Notes:

1)

Printer start state means that the printer is

printing data received from the host or is
ready to print (it

if the interface buffer is empty.)

2)

When the DTR protocol is used, this signal

does not operate as described above. For
details, see Section 6.4.3.

-

B02P-1500-OOOlA...05

fc~

0 with the following

tc~

1 with the following

01‘

is:

not actually printing

6-5

Signal name

Table 6.1 RS-232-C interface signal lines - Continued

Signal

level Direction Functions

1 0

RSVUSS

channel

(SWSRS)

Signal

Ground -

(SG)

Frame Ground -

(FG)

Ring

Indicator ~(3V) 1(-N)

(RI)

-3v

3v

-

-3v 3v

-

System--Printer

If the Reverse Channel line prorocol is not
selected by setting at the operator panel, this

If

signal
is as follows:

This signal is set to 0 when DTR is 0 or :he

interface buffer is empty or almost empty

(threshold is

lhis

is almost full (threshold is
panel) or before DTR is set to 1.
The time from when :his signal is set to 1 to

when

active polarity of this signal can be set.

lhis

host and printer.

lhis line is a frame ground line between the host

and printer.

If this

set to 0 when this signal is 0.

lhis

after the DTR and DSR are set to 0 successively,

this signal is kept at 1. If the DSR is not
used, this signal is kept at 1 after the DTR is

set to

request does not occur in the printer, the

printer

stays at

signal is

it is set to 0 is more than 200 ms.

line is d signal ground line

signal

1.

set

at

set

is set to be effective, the DTR

signal is set to

If an error or operator intervention

0.

tu?xls

on.

selecwd,

the

operator panel).

to 1 when

0 for 0.5 to 0.7 set, and

the signal state

;he Interface buffel

set

at the operator

Ihe

between

the

i!

Received Line
Signal sets

Deeecror

(RLSD)

Local

Loopback (LL)

6-6

-3v 3v

-3v

3v

When

signal at 0 during dara transmission.

If this signal is 1, the printer ignores data on

the RD

validaced by setting,

1.

This signal is

test is performed. The printer performs this

test when the host responds ‘by setting this

signal on

signal at 0 during this test.

B02P-1500-OOOlA...05

eransmiering

this signal on

line.

(0).

data co

(0). The

Dara on the RD line can be

set to

0 when the local

me priner

the

printer, the host

host keeps this

whethe:c this

always keeps this

signal is 0

01

loopback

Signal name

Table 6.1 RS-232-C interface signal lines - Continued

Signal

level

Direcrion

Functions

Test

(TM)

Mode

1

-3 ”

-

;yscemcPrinter

If the host detects that the LL signal is on and
the local loopback rest is executable, it sets
this signal on
If the host turns this signal on in response
the LL signal being an, the host

this signal off

If this signal is not set to 0 within 2

1.

after the printer sets the LL on

terminates the local

LL off

(I).

(0).

(1) until

does

not set

the LL signal is

CO),

the printer

loopback test

and sets

to

ser to

set

the

The combinations of the RTS and CTS signals listed in Table 6.2 are provided

for the printer.

For the RTS and CTS setup, refer to

Table 6.2 Operation by the RTS and CTS

Kcc setup

/ CTS

setup

1

Function

*!rator's

Guide.

combination

Half-duplex
mode

0iLFDPX)

Full-duplex ENABLE
mode

WJLDPX)

ENABLE

DISABL

DISABLZ

The printer
and transmits data to the

rransmission

The printer sets the
whether the

the RT.s

The printer keeps the RTS at 0, and when the
printer transmits data.

1

The printer always keeps

CTS is 0 or 1.

sers

rhe

ends, the primer

CTS

is 0 or

off

(1).

RTS

on

CO),

waifs

host

when the

sets

RTS

on

(0)

and

When transmission ends,

1.

the

RTS at 0 and transmits data whether rhe

for

the

transmits

the CTS to be

CTS

is

set to

RTS

off

(1).

data to the

the

CTS

is set to 0, the

see to

0,

When

0.

printer sets

the

host

B02P-1500-OOOlA...05

6-7

6.2.2 Physical specifications of interface signals

The physical specifications of RS-232-C interface signals

specifications,
specifications.

(1)

Electrical specifications

Signal levels must be within the following ranges:

Low level (off)
High level (on)

Note:

The interface signal transmitter and receiver must be the same as those
shown in Figure 6.2.

. Transmitter

interface cable specifications,

-3

v or less

+3

V or more

These signal levels are measured at the interface connector.

Signals with incorrect levels may be sent at power on and power off.

and connector pin assignment

con,sist

of electrical

-12 v

!vfotorola

. Receiver

-----b-

Signal

ground

/I

.Mororola

Figure 6.2 RS-232-C interface signal transmitter and receiver

Semiconductors MCI488 or equivalents

100 PF

Semiconductors

MCI489

I

or equivalents

lOKS-2

Printer

6 -a

B02P-1500-OOOlA...O5

The RS-232-C interface signals operate according to the printer status.

6.3 lists the printer statuses.
this interface.

prepared for the printer.

Interface operation varies depending on the message protocols

For message protocol details, see Section 6.4.

Figures 6.3 to 6.8 show the timing charts for

Table 6.3 Printer statuses

Table

Item

@I

@

0;

@'

0

0 /

0

@!

0

01

0

'

I

status

RI signal is 1 or START/STOP switch is pressed

Interface buffer empty

Interface buffer almost full START

Stratus

I

( START

STARI

Interface buffer almost empty START

An error occurred.

Error reset

Inrerface buffer almost empty START

START/STOP switch is pressed. STOP

Power-on diagnosis end START

Power-on diagnosis end STOP

START/STOP switch is pressed and interface START

buffer is almost empty or is empty

Error content display

SIOP

indicator

B02P-1500-OOOlA...05

6-9

Note:

For

,@!

to

0,

see Table 6.3.

Figure

6.3 Reverse Channel line-protocol (Drop DTR in START/STOP mode)

6 -

Note:

Figure 6.4 Reverse Channel line-protocol (DTR Constant On mode)

10

For @ to @ and @ to

B02P-1500-OOOlA...05

0,

see Table 6.3.

Note:

Figure 6.5 XON/XOFF protocol

(Drop DTR in START/STOP mode and Half-duplex mode)

For @ to

0,

see Table 6.3.

Note:

Figure 6.6 XONjXOFF protocol

For @ to @ and 0, see Table 6.3.

(Drop DTR in START/STOP mode and Full-duplex mode)

BOZP-1500-OOOlA...O5

6 -

11

Note:

For @ to

0, 0,

and

@,

see Table 6.3.

Figure 6.7 DTR line protocol

6 - 12

Note:

For @ to

0,

see Table 6.3.

Figure 6.8 RTS line protocol (Drop DTR in START/STOP mode)

B02P-1500-OOOlA...05

(2)

Interface cable

A pair of shielded cables must be used as the interface cable.

The cable

length must be 25 feet (7.5 m) or less.

(3) Connector and pin assignment

A

25-pin standard interface connector (female type) is used.

The

connector cover is made of metal and is connected to the FG of the
cabinet.

The interface connector cover is completely shielded.

!Shielded

(cable

\

Figure 6.9 Interface cable connector

Figure 6.10 shows the correspondence between RS-232-C interface connector pins

and signals.

B02P-1500-OOOlA...O5

6 - 13

25

24---------------

_---_

,s ,J

Pin

!

NO.

1

8

I

1

9

10 1

Signal name

Frame Ground

Received Line
Signal Detector

(Reserved)

(Reserved)

Pin

No.

14 (Reserved~

21

I

1

22

23

Signal

(Reserved)

Ring Indicator

(Reserve'd)

rime

I

Figure 6.10 RS-232-C interface connector pin assignment

6.3 Character and Control Codes

Table 6.4 shows character and control codes. In the table, areas enclosed with

a bold-faced line indicate control codes, whereas the other areas indicate

character codes (ASCII codes). The table shows character codes of S-bit mode.

In

‘/-bit

mode, character codes X'OO' to

X'7F'

are available. Character codes

with an asterisk in the table vary depending on the print band for each

country,

6 - 14

as shown in

the lower

table.

Table 6.4 Character (ASCII) and control codes

Note:

Codes with an asterisk in the table above vary depending on the

print band for each country, as follows:

X'7D' X'7E'

B02P-1500-OOOlA...05

6 - 15

6.3.1 Character codes
The ASCII code is used as the standard character code.

If the printer is set in 7-bit mode and the host operates in

printer regards the received data as 7-bit data and checks data parity.

data has a correct parity,

the printer prints the data as correct 7-bit data.

8-bit

mode, the

If the

If not, a transmission error occurs.

When receiving character codes,

interface buffer.

Characters corresponding to the loaded character codes are

printed after a control code is received.

the printer sequentially loads them in to its

The printed character codes are

cleared after printing.

6.3,2

Control cod&

The null (NULL), delete (DEL), sound bell

line

feed (LF),

out (SO), shift in

vertical

(SI),

tab (VT), forms feed (FF), carriage

and escape (ESC) codes are control codes indicated in

the area enclosed with a bold-faced line in Table 6.4.

(1) NULL (X'OO') and DEL

(X'7F'

and X'FF') codes

When receiving either the NULL or

(BEL),

DEL

code, the printer ignores it, but

horizontal

talbulation

r'eturn

(CR), shift

(HT),

,f-

does not regard it as an invalid control code.

(2)

BEL

(X107')

code

When receiving the BEL code, the printer sounds the bell for 1.

(3) HT

(X109')

code

The HT code is valid if the horizontal tab data is loaded in to the
printer with the Load Horizontal Tab Stop Data command.
is converted to a space code

(X'20').

If horizontal tab data is loaded,

If not,

this code

the horizontal print position is moved to the right tab stop of the

current horizontal print position,

within the horizontal tab stops

specified in the horizontal tab data.

Example 1:

Column 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Horizontal tab stop
Data

Printing

1

ABCDEFGHIJ K

ABCDEFGHIJ K L M N

1

(09)L

M N

1

'.~

6 - 16

B02P-1500-OOOlA...OS

If horizontal tab data is loaded and there is no right tab stop of the
current horizontal print position within the horizontal tab stops
specified in the horizontal tab data,
space code

Example 2:

(X120').

this code is also converted to a

Column 1 2 3 4 5 6 7

Horizontal tab stop
Data
Printing

(4) LF

(X'OA')

The LF code directs the printer to feed one line.
receiving print data before receiving this code, it prints the data, then
feeds one line.

Example:
Column

Data

Printing

code

1234567 8

ABCDEFG(OA)HI

ABCDEFG

A B C D E F G H I

ABCDEFGHI.....A B C DEF

v 1

H

8

9 . . . . . 20 21 22 23 24 25 26

1

T....

A B C

If the printer is

9 10 11 12 13 14 15 16 17 18 19 20

J K L M N(OA)O P Q R

IJKLMN

Cl

P Q R

(09)

D E F

If the setup L.TERM is set to CR/FF, the printer does not return the
horizontal print position to column 1. However, if the
PRTCMD, the printer returns the position to column 1 after printing.

(5) VT

(X'OB')

When receiving the VT code, the printer feeds forms up to the first

channel line specified from the operator panel.

receiving print data before receiving this code, it prints the data, then

feeds forms.

This channel can be selected from channels 2 to 12 by setting.

example,

to channel 2 when receiving the VT code.

The printer can also perform the LF code function

code by setting.

code

If the printer is

if channel 2 is specified by the setup above, the printer skips

whlen

.setup

receiving the VT

is set to

For

B02P-1500-OOOlA...O5

6 - 17

(6) FF

(X'OC')

code

The FF code directs the printer to feed

on the next page.
If

forms

control buffer (FCB; in this

is loaded, the line on which channel 1 is specified is

TOF.

If the printer receives print data before receiving.this code, it prints
the data,

column 1.

(7) CR

(8) SO

(X'OD')

The CR code sets the horizontal print position in column 1.
printer receives print data before receiving this code, it prints the
data,

If the Automatic New Line on CR Code function is set from the operator

panel,

above.

(X'OE')

The SO code translates character codes
The SO code is valid if
operator panel.

regard it as an invalid code. When receiving the SI code, the printer
stops data code translation.

then feeds forms.

code

then sets the horizontal print position to column 1.

the printer feeds one line in addition to performing the operation,

code

If

nclt,

Then,

7SI/SO

mode is selected in setup DT BIT from the

the printer ignores this code, but does not

fo~rms

up to the line at the top of

manual,

the horizontal print position is set to

X'Z.1' - X'7E'

it is also called

Ithe

line at the

into

X'Al' -

EVFU)

If the

X'FE'.

data

When receiving an 91 code after an SI code or when receiving an SO code

after an SO code, the printer ignores the second SI or SO code and the
printer state does not change whether data codes are to be translated or

not.

(9) ESC

(X'IB')

The ESC code indicates that the data following it is

in 7-bit mode.

For the control sequence, see Section 6.5.

code

ccsntrol

sequence

dat-

6 - 18

BOZP-1500-OOOlA...05

6.4 Message Protocols
The following protocols have been prepared for this printer:

. XON/XOFF protocol

. Reverse Channel line (pin

19/11)

protocol

. DTR line protocol
. RTS line protocol

The protocols above report the interface buffer state (almost empty or almost

full) to the host and operate according to the printer start/stop state.

6.4.1 XON/XOFF protocol
The XON/XOFF protocol transmits code

_

host via the TD line under the following conditions:

X'll' (XON)

or code

X'13' (XOFF)

to

the

Conditions for XON transmission

-

DTR is turned from off

-

The interface buffer is empty or almost empty.

(1)

to on (0).

Conditions for XOFF transmission

-

The interface buffer is almost full, or

-

Before DTR is turned from on to off.

The time from when XOFF is transmitted to when DTR is turned from on to off is

0.5

set

(for 19.2 or 9.6 K baud) or 1

set

(for 2.4 or 4.8 K baud).

For timing details, see Figures 6.5 and 6.6.

6.4.2 Reverse Channel line protocol
When the Reverse Channel signal is on

(O),

the host can transmit data.

This signal is turned from off to on under the same conditions under which the

XON/XOFF protocol transmits code XON.

This signal is turned from on to off under the same conditions which the
XON/XOFF protocol transmits code XOFF.

For timing details,

see Figures 6.3 and 6.4.

B02P-1500-OOOlA...05

6 - 19

6.4.3 DTR line protocol

The DTR line protocol is the same as the Reverse Channel line protocol.
This signal is turned from off (1) to on (0) under the following conditions:

. Printer is in the start state and,
. The interface buffer is empty or almost empty.

This signal is turned from on to off under one of the following conditions:

. Printer is in the stop state (error

occured,

cover open, end of forms, or

operator pressed the START/STOP switch) or,

. The interface buffer is almost full.

Note:

If this line protocol is enabled,

the printer received data via the

RD

line whether the DTR signal is on or off.

For timing details, see Figure 6.7.

6.4.4 RTS line protocol

The RTS line protocol is the same as the Reverse Channel line protocol.

This

signal

is

turned from off (1) to on

(0)

under the following conditions:
. Printer is in the start state and,

. The interface buffer is empty or almost empty.

This signal is turned from on to off under one of the following conditions:

. Printer is in the stop state or,

. The interface buffer is almost full.

Note:

This protocol enables the connection of a printer operating as data
terminal equipment (DTE) to a host operating as DTE.
protocol is not used to connect this printer to a host operating as data
circuit terminating equipment

(DCE). In addition,

a Status Request command when this protocol is enabled.

For timing details, see Figure 6.8.

6

-

20

BOZP-1500-OOOlA...05

However, this

th:is

printer ignores

6.5 Commands

when detecting one of the control sequences listed in Table 6.5, the printer

regards it as a command and starts the

comand

operation.

Table 6.5 Commands and their control

Comnand

Load FCB

Select Verrical

Set to Initial Stare

Skip to Channel-n

Move Horizontal Position

Space n-lines

Load Horizontal Tab Stop Data

status

status Response

name

(EVFU) Data

Pitch

Fsquesr

LB

seq'uences

control

7-bit mode B-bit

1B 50

23

(PS) 1B SC

1B 5B (P)

II

63

lB

50 22

lB 5B (P)

l.B 5B (P)

lB 5B (PS)

1B 5B

50 24

20 47

(P) lB SC

61

65

20

70

(PS) IB SC

sequence

4E

/
I

I

I
I

mode

90 23

9B (P)

20 47

90 22

9B (P)

61

9B (P)

65

9B (PS)

9B

70

90 24

(PS)

(PS)

9C

(PI 9c

20 4E

9c

Half Line Feed

Repeat Character

Note:

P indicates a parameter, and PS indicates a parameter

sequence.

For their details,

lB 4B

3.B 58 (P)

8B

62

9B (P)

62

refer to the explanations of the

commands listed in the table above.

(1)

Load FCB

The Load FCB

(EVFU)

Data command

(EVFU)

Data command loads forms control data into the forms

control buffer (FCB).

The forms control data is channel data. Channels 1 to 12 can be selected

for channel data.

B02P-1500-OOOlA...OS

6 - 21

Example of control sequence data

90 2.3

Ll;l;Z;L10;3;L22;12;T66 9C

1

X130'
X131'
X132'

X133'- 3
X134'---

X'35'
X'36'-

Ll (4C

L

-0

-1

-2
4

-5
6

31) in the parameter sequence above indicates line

Parameter sequence

X'37'
X'38'
X' 39'

X'3B'
X'4C
X'52'
X'54'

-1

-8

-9

-;

-L

-R

-T

Codes used in the parameter
sequence

1.

";1;2" (3B

31 3B 32) indicates channels 1 and 2. That is, channels 1 and 2 are

specified on the first line at the top of the form.

";n

in the parameter

sequence above is used to separate the contents of parameters. As a

result,

the parameter sequence above specifies channels 1 and 2 on line 1.
channel 3 on line 3, and channel 12 on line 22. T66 (54 36 36) in the
parameter sequence above indicates that the

cots.1

number of lines is 66.

If an undefined parameter code or undefined parameter format is included
in the parameter sequence of this control sequence, the printer regards it

as an invalid load FCB

(EVFU)

data command or invalid control sequence,
and loads the default value (set by the setup) in the FCB. The following
are examples of an undefined parameter format:

Example 1:

The total number of lines is less than 17 or more than 176.
go 23

L1;1;2""""""""";

f

~16

gc

Parameter sequence

Example 2:

A channel other than channels 1 to 12 is specified.

90 23

Parameters are not separated with semicolons

L1;1;2;L5;53;T66 9C

t

Parameter sequence

(;).

. . . . . ...*.

Parameter sequence

6 - 22 B02P-1500-OOOlA...05

(2) Select Vertical Pitch command

The Select Vertical Pitch command specifies the printer line feed pitch (6
or 8 lpi).

When 6 lpi is specified, the parameter is 31 32 30, as follows:

1B

5B

or

i

31 32ab20 47

9B

t

L---Parameter

When 8 lpi is specified,

IB

5B

or 39 30 20 47

17

9B

Parameter

If the parameter has a value other than the value

an invalid control sequence and the specified

(3) Set to Initial State command

The Set to Initial State command returns the FCB
set value,

horizontal tab stop data is loaded,

that specified by the setting, and inhibits the printer from translating
data codes when the printer receives the SO code.

However,

speed check, is not cleared.

(4) Skip to Channel-n

The skip to Channel-n command directs the printer to feed forms up to the

line corresponding to the channel specified in the
received before this command is printed. The channel number is specified

by the parameter as follows:

clears the horizontal control buffer

an error caused by the printer, for example, hammer check or band

command

the parameter is 39 30, as follows:

abcve,

operati,on

(EVFU)

(HCB)

returns the printer line feed pitch to

it is regarded as

is not performed.

contents to the

in which the

FC:B

data after data

X'31'
X'32'
X'33'
X'34'
X'35'
X'36'

This control sequence is regarded as invalid under

conditions:

. The

even though the FCB

. This command is specified even though the FCB is not loaded.

1

is specified, however,

forms up to the TOF line.

-Channel

-Channel 2

-Channel 3

-Channel 4

-Channel 5

-Channel 6

.channel

specified in this

1

(EVFU)

B02P-1500-OOOlA...05 6 - 23

X'37' Channel
X'38'
X'39'
X'31

30'

-

X'31

31'

-

X'31

32'

connnand

is loaded.

the printer prints

-

is not present in the FCB

Channel 8
Channel 9
Channel 10
Channel 11
Channel 12

receivemd

7

thse

following

(EVFU)

If channel

data and feeds

. A channel other than channels 1 to 12 is specified.

. Parameters are not defined.

Under the conditions above,

the printer regards the control sequence as

invalid, and prints received data and feeds one line.

Move Horizontal Position command

The

Move

Horizontal Position command moves the horizontal print position

according to the following calculation:

The horizontal print position + column count specified in the parameter.
The parameter is defined as follows:

X'31'

1 column

X'31

30 30'

1010

columns

X'32' 2 columns
X133' 3 columns

columns

13,4

columns
columns

X'39'

X'31

30'

X'31 31'-II

x.39

39’

9

columns X'31

10 columns

columns

99

coluu!Jxs

X'31
X'31

31 34'
31 35' 135

31 36' 136

Example

column

Data

1:

1

2 345 6 7

8

9

10 11 12 13 14

A B C D E F 9B 31 30 61 G H I OA

15 16 17 18 19

T

Y

Parameter -LF code

IL

Printing

ABCDEF

G H I

If the value obtained by adding the value specified in the parameter to
the horizontal print position exceeds the right margin value, the printer

performs one of the following operations:

a.

If the New Line on Right Margin function is set:

The printer performs the New Line on Right Margin function to print

data and feed one line, and sets the forizontal print position
according to the following calculation:

x

= Current horizontal print position + (Parameter value) - Right

x +1;

where

margin.

-

24 B02P-1500-OOOlA...OS

6

Example 2:

b.

Right margin

Column 1 2

Data

Printing A B

If the New Line on Right Margin function is not set:

A right margin overflow error occurs. The

feeds one line, then stops.

Example

COlUIUl 1 2 3 4 5 6 7 8 9 . . . . .

3:

136

3 456

ABCDEFGHI.....

C D

7 89. . . .

E F G HI. ... .

BCD

.

133

134 135 136

A 9B 31 30 61 B C D

--Parameter -LF code

i-Command

print,er

prints data and

1316

A

133

T-

134 135

s

t

Data

Printing

In this example, the printer stops before processing data B

(6)

Space n-line command

The Space n-line command directs the printer to feed as many lines as

specified in the parameter.
command,

The parameter is defined as follows:

the printer feeds forms.

X'30'
X'31' 1 line
X132' 2 lines

X' 39'
X'31

30'

X'31

31'

ABCDEFGHI.....

A B C D E F G H I . . . . .

After printing data received before this

No line

9 lines X'31

-

-

10 lines X'31
11 lines

X'39 39'­X'31
X'31

A

9B

31 30

--

f ii

~-Command

A

99 lines
30 30'
30

32 36'

32

-100 lines

31'-

-126 lines

37'-

61 B C D

Parameter

C D.

101 lines

127 lines

B02P-1500-OOOlA...05

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