Citizen BD2-3880 Manuale utente

CONTROL BOARD FOR MLT-388/MLT-389

MODEL BD2-3880/3890

Rev. 1.00

Newly Issued on October 22, 2004

User’s Manual

REVISION

Rev. No. Date Content

1.00 2003.06.23 Issued as first edition.

1.00 2004.10.22 “3.3 CN3 Connector for Interface” changed

CONTENTS

1. OUTLINE ....................................................................................................................... 1

1.1 Features ............................................................................................................................................................ 1

1.2 Precaution ......................................................................................................................................................... 1

2. BASIC SPECIFICATIONS .......................................................................................... 2

2.1 Model Classification ......................................................................................................................................... 2

2.2 Basic Specifications.......................................................................................................................................... 3

3. CONNECTING CONNECTORS................................................................................. 4

3.1 CN1 Connector for Printer Mechanism............................................................................................................ 4

3.2 CN2 Connector for Print Mechanism ............................................................................................................... 5

3.3 CN3 Connector for Interface ............................................................................................................................ 6

3.4 CN201 Connector for Paper Cutter (Option) ................................................................................................... 7

4. SELECTING FUNCTIONS ......................................................................................... 8

5. POWER SUPPLY ........................................................................................................ 10

5.1 Specifications ................................................................................................................................................. 10

5.2 Precautions ..................................................................................................................................................... 10

6. PARALLEL INTERFACE .......................................................................................... 11

6.1 Specifications ................................................................................................................................................. 11

6.2 Explanation of Input/Output Signals .............................................................................................................. 11

6.3 Electrical Characteristics ................................................................................................................................ 12

6.4 Timing Chart (Compatibility Mode) .............................................................................................................. 13

6.5 Data Receiving Control .................................................................................................................................. 13

6.6 Buffering......................................................................................................................................................... 13

7. SERIAL INTERFACE ................................................................................................ 14

7.1 Specifications ................................................................................................................................................. 14

7.2 Explanation of Input/Output Signals .............................................................................................................. 15

7.3 Error Detection ............................................................................................................................................... 15

7.4 Data Receiving Control .................................................................................................................................. 16

7.5 Buffering......................................................................................................................................................... 16

7.6 Electrical Characteristics ................................................................................................................................ 16

iii

8. ERROR HANDLING .................................................................................................. 17

8.1 Peripheral Circuit Errors ................................................................................................................................ 17

8.2 Operation Errors ............................................................................................................................................. 18

8.3 Error Indication .............................................................................................................................................. 19

9. PRINTER MECHANISM CONTROL SYSTEM .................................................... 20

9.1 Thermal Head Control System ....................................................................................................................... 20

9.1.1 Fixed Division Number System ................................................................................................................ 20

9.1.2 Variable Division Number System ............................................................................................................ 20

9.2 Motor Drive .................................................................................................................................................... 21

9.2.1 Motor Drive Features ................................................................................................................................ 21

9.2.2 Maximum Motor Drive Speed at Major Voltage ....................................................................................... 21

10. MAINTENANCE AND SERVICE ........................................................................... 22

APPENDIX 1. BLOCK DIAGRAM .............................................................................. 23

APPENDIX 2. OUTER DIMENSION ........................................................................... 24

BD2-3880/3890 User’s Manual

1. OUTLINE

This control boards is designed to be used to control our thermal printer, “MLT-388/389” series

through the computer etc.

As being provided with many abundant functions, it can be used widely in various applications.

Before you start using it, read this manual thoroughly and understand the content.

1.1 Features

(1) Ultra compact

(2) Both interface of Serial and Parallel can be selected by dip switch.

(3) Input buffer incorporated.

(4) Bar code printing is available (dedicated command).

(5) Auto paper cutter control incorporated (option).

(6) User-defined character registration function (94 characters)

(7) Low cost

1.2 Precaution

(1) Make sure to turn OFF the power supply in case of connecting/disconnecting the connectors.

(2) Absolutely do not make a short circuit between the terminals of connectors.

(3) Use power supply, LED, interface, etc. following their specifications.

(4) Use the recommended paper shown below.

• Thermal Paper TF50KS-E2D (Nippon paper)

KF50-HDA (Shin-Oji paper)

F220VP (Mitsubishi paper) or the equivalent

BD2-3880/3890 User’s Manual

2. BASIC SPECIFICATIONS

2.1 Model Classification

Models are identified by the following coding scheme:

BD2

3890 U C

Character Set

U : Internatiomal model

Model Name of applied printer mechanism

3880 : For MLT-388

3890 : For MLT-389

Model Name

Auto Cutter Drive

C : With auto cutter function

None : Without auto cutter function

* Printer model is specified by J8 (jumper).

BD2-3880/3890 User’s Manual

2.2 Basic Specifications

Printing system

Print width

Print Speed

Number of columns

Character dimensions

Character types

Bar code type

Line pitch

Interface

Input buffer

Supply voltage

Weight

Outer Dimension

Operating temperature

and humidity

Storage temperature and

humidity

Thermosensitive dot-matrix printing

72 mm/576 dots

7.2V: Approx. 60 mm/s within 64 dots, at 35°C or more

5V: Approx. 30 mm/s within 64 dots, at 63°C or more

Font A : 48 columns

Font B : 64 columns

Font A : 1.25 mm ×3.00 mm

Font B : 0.88 mm ×3.00 mm

Alphanumeric, international characters

UPC-A/E, JAN (EAN) 13/8 columns, ITF, CODE 39, CODE128, CODABAR

4.23 mm (Can be changed by command)

Serial (Conforms to RS-232C) or Parallel (Conforms to Centronics)

(Selectable by dip switch)

2 K bytes

Logic part: 5V ±5%

Drive unit: 4.2V ~ 8.5V

Approx. 40 g

80 mm (W) ×90 mm (D) (For height of component parts, see outer drawing.)

5 ~ 40˚C , 35 ~ 85% RH (with no dew condensation)

–20 ~ 60˚C , 10 ~ 90% RH (with no dew condensation)

Items Contents

Approx. 130 mA (At ANK slide printing)

Average: 1.5A (Peak: Approx. 4A)

Operating votage is 7.2 V (Max)

8.5 V is a voltage only right after charging.

8.5V cannnot be used for normal voltage.

BD2-3880/3890 User’s Manual

3. CONNECTING CONNECTORS

3.1 CN1 Connector for Printer Mechanism

GND

nSTRB 1

nSTRB 2

nSTRB 3

VDD

nLATCH

GND

nSTRB 9

GND

nSTRB 8

nSTRB 4

nSTRB 5

nSTRB 6

GND

nSTRB 7

GND

––

Output

––

Input

Output

––

Output

––

Output

––

Output

––

Output

––

Function

Power for print head

Head data output signal

GND

Thermistor

Strobe 1

Strobe 2

Strobe 3

Thermal head logics power (+5V)

Latch signal

GND

Strobe 9

Clock pulse

GND

Strobe 8

Strobe 4

Strobe 5

Strobe 6

GND

Strobe 7

GND

Power for print head

Pin No. Signal Name I/O

Applicable Connector: 52806-2810 (Molex)

* First “n” of si

nal name indicates “L” active si

nal.

BD2-3880/3890 User’s Manual

3.2 CN2 Connector for Print Mechanism

MOTOR B

MOTOR A

MOTOR B

MOTOR A

PE C

GND

PE A

H-UP

GND

Output

Input

––

Input

––

Function

Operation signal for motor B

Operation signal for motor A

Operation signal for motor B

Operation signal for motor A

Photointerruptor collector (Paper sensor)

Photointerruptor emitter + cathode

Photointerruptor anode (Paper sensor)

Platen not mounted signal (MLT-389)

Head-up signal (MLT-388)

Head-up sensor GND

Pin No. Signal Name I/O

licable Connector: 53047-0910

(

Molex

)

BD2-3880/3890 User’s Manual

3.3 CN3 Connector for Interface

VDD

GND

P-GND

LF-SW

ERROR

PEout

DTR

TXD

RXD

DSR

DATA0

DATA1

DATA2

DATA3

DATA4

DATA5

DATA6

DATA7

nSTB

BUSY

nFAULT

SELECT

nACK

nRESET

––

Input

Output

Input

Output

––

Input

Function

Power supply for circuit (5V)

GND

Power supply for operation

GND for operation

LF Switch input

ERROR LED output (Can be connected directly)

PE LED output (Can be connected directly)

Serial Interface DTR

Serial Interface TXD

Serial Interface RXD

Serial Interface DSR

Parallel Interface DATA0

Parallel Interface DATA1

Parallel Interface DATA2

Parallel Interface DATA3

Parallel Interface DATA4

Parallel Interface DATA5

Parallel Interface DATA6

Parallel Interface DATA7

Parallel Interface nSTB

Parallel Interface BUSY

Parallel Interface nFAULT

Parallel Interface SELECT

Parallel Interface PE

Parallel Interface nACK

No Connection

Parallel Interface nRESET

Pin No. Signal Name I/O

Applicable Connector: 53313 - 4015 (Molex)

* First “n” of si

nal name indicates “L” active si

nal.

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