Citizen BD2-3880, BD2-3890 User Manual

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 signal.

BD2-3880/3890 User’s Manual

3.2 CN2 Connector for Print Mechanism

1 2 3 4 5 6 7

MOTOR B MOTOR A MOTOR B MOTOR A

PE C

GND

PE A

H-UP

GND

Output Output Output 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

)

+ 19 hidden pages

Citizen BD2-3880, BD2-3890 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual