CITIZEN BD2-2890 User's Manual
User’s Manual
CONTROL BOARD FOR MLT-288/MLT-289
MODEL
Rev. 1.10 Newly Issued on June 23rd, 2003
BD2-2880/2890
REVISION
Rev. No. Date Content
0.00 2000.06.26 Newly authored as a tentative edition for CS products reference.
1.00 2002.08.09 Cover, Page 1, 2, 3, 7, 9 is changed.
1.10 2003.06.23 Chapters 11 (Print Control Functions) and 12 (Character Code Table)
are deleted.
i
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 (For Print Head) ................................................................................. 4
3.2 CN2 Connector for Print Mechanism (For Motor & Sensor)............................................................................4
3.3 CN3 Connector for Interface ............................................................................................................................. 5
3.4 CN4 Connector for Paper Cutter .......................................................................................................................6
4. DIP SWITCH SETTING ............................................................................................... 7
5. POWER SUPPLY ........................................................................................................... 9
5.1 Specifications .................................................................................................................................................... 9
5.2 Precautions ........................................................................................................................................................ 9
6. PARALLEL INTERFACE ........................................................................................... 10
6.1 Specifications .................................................................................................................................................. 10
6.2 Explanation of Input/Output Signals ............................................................................................................... 10
6.3 Electrical Characteristics ................................................................................................................................. 10
6.4 Timing Chart.................................................................................................................................................... 11
6.5 Data Receiving Control ...................................................................................................................................12
6.6 Buffering.......................................................................................................................................................... 12
7. SERIAL INTERFACE ................................................................................................. 13
7.1 Specifications .................................................................................................................................................. 13
7.2 Explanation of Input/Output Signals ............................................................................................................... 14
7.3 Error Detection ................................................................................................................................................14
7.4 Data Receiving Control ...................................................................................................................................14
7.5 Buffering.......................................................................................................................................................... 15
7.6 Electrical Characteristics ................................................................................................................................. 15
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8. ERROR HANDLING ................................................................................................... 16
8.1 Peripheral Circuit Errors ................................................................................................................................. 16
8.2 Operation Errors ..............................................................................................................................................16
8.3 Errors Indication .............................................................................................................................................. 18
9. PRINTER MECHANISM CONTROL SYSTEM ..................................................... 19
9.1 Thermal Head Control System (Division Driving System) ............................................................................. 19
9.1.1 Fixed Division Number System ................................................................................................................. 19
9.1.2 Variable Division Number System ............................................................................................................. 19
9.2 Motor Drive ..................................................................................................................................................... 20
9.2.1 Motor Drive Features ................................................................................................................................. 20
9.2.2 Maximum Motor Drive Speeds at Major Voltage ...................................................................................... 20
10. MAINTENANCE AND SERVICE............................................................................ 21
APPENDIX 1. BLOCK DIAGRAM ............................................................................... 22
APPENDIX 2. OUTER DIMENSION ............................................................................ 23
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1. OUTLINE
This control boards is designed to be used to control our thermal printer, “MLT-288/289” 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.
(6) User-defined character registration function (94 characters)
BD2-2880/2890 User’s Manual
(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 TF5KS-E2D (Nippon paper)
KF50-HDA (Shin-Oji paper)
F220VP, HP220A (Mitsubishi paper)
1
2. BASIC SPECIFICATIONS
2.1 Model Classification
Models are identified by the following coding scheme:
BD2 - 2880 U C
Auto Cutter Drive
C : With auto cutter function
None : Without auto cutter function
Character Set
U : Internatiomal model
BD2-2880/2890 User’s Manual
Model Name of applied printer mechanism
2880 : For MLT-288
2890 : For MLT-289
Model Name
2
2.2 Basic Specifications
Items Contents
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 Environment
Storage Environment
BD2-2880/2890 User’s Manual
Thermosensitive dot-matrix printing
48 mm
420 dot line/sec
Font A : 32 columns
Font B : 42 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, ITFCODE 39, CODE128, CODABAR
4.23 mm (Can be changed by command)
Parallel (Conforms to Centronics) or Serial (Conforms to RS-232C) (Selectable by dip switch)
2 K bytes
VCC: 5V ± 5 % Approx. 130 mA (Self printing)
VP : 4.2V ~ 8.5V Approx. 1.5A (Ave) Approx. 4A (Peak) When 7.2V
Ordinal voltage is to be 7.2V (Max)
8.5V is a voltage, which is right after charging.
Approx. 40 g
75 mm (W) × 80 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)
3
3. CONNECTING CONNECTORS
3.1 CN1 Connector for Printer Mechanism (For Print Head)
BD2-2880/2890 User’s Manual
Pin No. Signal Name I/O
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Applicable Connector : 52806-2410 (Molex)
VH
VH
SI
GND
TM
STRB 1
STRB 2
Vdd
LATCH
GND
STRB 6
CP
GND
STRB 5
STRB 3
GND
GND
STRB 4
GND
GND
GND
VH
VH
VH
–
–
Output
–
Input
Output
Output
–
Output
–
Output
Output
–
Output
Output
–
–
Outpu
–
–
–
–
–
–
Function
Power for print head
Power for print head
Head data output signal
GND
Thermistor
Strobe 1
Strobe 2
Thermal head logics power (+5V)
Latch signal
GND
Strobe 6
Clock pulse
GND
Strobe 5
Strobe 3
GND
GND
Strobe 4
GND
GND
GND
Power for print head
Power for print head
Power for print head
3.2 CN2 Connector for Print Mechanism (For Motor & Sensor)
Pin No. Signal Name I/O
1
MOTOR B
2
MOTOR A
3
MOTOR B
4
MOTOR A
5
6
7
8
9
Applicable Connector : 53047-0910 (Molex)
PE C
GND
PE A
H-UP
GND
Output
Output
Output
Output
Input
–
–
Input
–
Operation signal for motor B
Operation signal for motor A
Operation signal for motor B
Operation signal for motor A
Photo-transistor collector (Paper sensor)
Photinterruptor emitter + cathode
Photo-LED anode (Paper sensor)
4
Function
Head-up signal
Head-up sensor GND
3.3 CN3 Connector for Interface
BD2-2880/2890 User’s Manual
Pin No. Signal Name I/O
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Applicable Connector : 53313 - 4015 (Molex)
Vcc
Vcc
GND
GND
Vp
Vp
Vp
Vp
Vp
Vp
P-GND
P-GND
P-GND
P-GND
P-GND
P-GND
LF-SW
ERROR
PEout
DTR
TXD
RXD
DSR
DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
STB
BUSY
FAULT
SELECT
PE
NC
NC
SELECTIN
RESET
––
––
––
––
––
––
––
––
––
––
––
––
––
––
––
––
Input
Output
Output
Output
Output
Input
Input
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
––
––
Input
Function
Power supply for circuit (5V)
Power supply for circuit (5V)
GND
GND
Power supply for operation
Power supply for operation
Power supply for operation
Power supply for operation
Power supply for operation
Power supply for operation
GND for operation
GND for operation
GND for operation
GND for operation
GND 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 STB
Parallel Interface BUSY
Parallel Interface FAULT
Parallel Interface SELECT
Parallel Interface PE
Parallel Interface ACK
No Connection
No Connection
Parallel Interface RESET
5
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