TEC B-443 Manuale utente
TEC Bar Code Printer
B-443
Original Oct., 1999
(Revision )
Document No. EO0-33006
PRINTED IN JAPAN
Service Manual
November, 99 All Rights Reservedi
B-443 Bar Code Printer
Service Manual
Table Of Contents
1. FUNDAMENTALS ABOUT THE SYSTEM.................................................................................................1
1.1 FEATURES OF THE B-443...................................................................................................................................1
1.2 MODEL NAMING SYNTAX .................................................................................................................................1
1.3 OVERVIEW .......................................................................................................................................................2
1.3.1 Front View................................................................................................................................................2
1.3.2 Rear View.................................................................................................................................................3
1.4 BASIC SPECIFICATIONS .....................................................................................................................................4
1.5 EFFECTIVE PRINT AREA....................................................................................................................................6
1.6 AVAILABLE BAR CODES....................................................................................................................................6
1.7 VARIOUS SENSORS............................................................................................................................................7
2. SUPPLY SPECIFICATIONS..........................................................................................................................9
2.1 TYPES OF PAPER...............................................................................................................................................9
2.2 SPECIFICATIONS ...............................................................................................................................................9
2.3 APPROVED LABELS .........................................................................................................................................10
2.4 RIBBON SIZES AND SHAPES .............................................................................................................................10
2.5 APPROVED RIBBONS.......................................................................................................................................11
2.6 DETAIL TEST DATA .........................................................................................................................................11
3. ELECTRONICS............................................................................................................................................13
3.1 CIRCUIT DESCRIPTION ....................................................................................................................................13
3.2 MCU PIN DESCRIPTION..................................................................................................................................15
3.3 RESET CIRCUIT...............................................................................................................................................17
3.4 MEMORY SYSTEM ..........................................................................................................................................17
3.5 CONNECTOR CIRCUIT DIAGRAM......................................................................................................................18
3.6 REAL-TIME CLOCK CIRCUIT............................................................................................................................20
3.7 DECODE CIRCUIT............................................................................................................................................21
3.8 THERMAL HEAD DRIVE/ PROTECTION AND HISTORY CONTROL CIRCUIT ...........................................................23
3.9 24V/5V CONVERTER CIRCUIT ........................................................................................................................24
3.10 STEPPING MOTOR AND DC MOTOR DRIVER/ PROTECTION CIRCUIT ...............................................................25
3.11 COMMUNICATION (SERIAL & PARALLEL PORT) CIRCUIT ................................................................................26
3.12 CUTTER DRIVE CIRCUIT................................................................................................................................27
3.13 MAINBOARD REPLACEMENT..........................................................................................................................28
3.14 FLASH MEMORY REPLACEMENT.....................................................................................................................32
3.15 CUTTER, DC MOTOR, STEPPING MOTOR DRIVER IC REPLACEMENT...............................................................33
4. MECHANISM...............................................................................................................................................34
4.1 CUTTER INSTALLATION ..................................................................................................................................34
4.2 PRINT HEAD REPLACEMENT............................................................................................................................35
4.3 DC MOTOR REPLACEMENT.............................................................................................................................37
4.4 RIBBON REWIND SPINDLE ENCODER REPLACEMENT.........................................................................................38
4.5 FELT FABRIC REPLACEMENT...........................................................................................................................39
4.6 STEPPING MOTOR REPLACEMENT....................................................................................................................41
4.7 BLACK MARK SENSOR / GAP SENSOR (RECEIVER) REPLACEMENT.....................................................................42
4.8 RIBBON SENSOR (RECEIVER) REPLACEMENT....................................................................................................43
4.9 RIBBON SENSOR (TRANSMITTER) / GAP SENSOR (TRANSMITTER) REPLACEMENT..............................................45
4.10 PLATEN REPLACEMENT.................................................................................................................................46
4.11 HEAD-UP SENSOR REPLACEMENT..................................................................................................................49
4.12 PARTS LIST ..................................................................................................................................................57
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B-443 Bar Code Printer
Service Manual
5. TROUBLE SHOOTING...............................................................................................................................67
5.1 ERROR MESSAGES..........................................................................................................................................67
5.2 TROUBLE SHOOTING.......................................................................................................................................68
5.3 CALIBRATE THE GAP REGISTER.......................................................................................................................69
5.4 SELF-TEST......................................................................................................................................................69
5.5 RAM CLEAR ...................................................................................................................................................69
5.6 DIAGNOSIS OPERATION PROCEDURE................................................................................................................69
5.7 TESTING SENSORS ..........................................................................................................................................70
5.8 CLEANING THE PRINT HEAD............................................................................................................................72
November, 99 All Rights Reserved1
B-443 Bar Code Printer
Service Manual
1. FUNDAMENTALS ABOUT THE SYSTEM
1.1 Features of the B-443
1. B-443 bar code printer prints bar codes, characters, logos, on various types of labels and
tickets by direct thermal or thermal transfer printing.
2B-443 adopts a“BASIC-like”high level programming language to help users programme the
desired label formswith ease.
3. B-443 bar code printer can be connected to personal computer or optional LCD keyboard to
execute the programs downloaded in the printer’s memory. The printer is equipped with the
following standard devices: black mark sensor, peel off module and real time clock
4. B-443 bar code printer provides a selection of optional features, including cutter module,
memory module, portable LCD keyboard,etc.
5. User friendly label design package software is bundled with B-443.
1.2 Model Naming Syntax
B –443 –QP
Destination Code:
QP: Europe
GH12-GB: UK
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B-443 Bar Code Printer
Service Manual
1.3 Overview
1.3.1 Front View
Fig. 1.1 Front View of B-443
Front Panel
Cover Release Button
Top Cover
Operation Panel
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B-443 Bar Code Printer
Service Manual
1.3.2 Rear View
Fig. 1.2 Rear view of B-443
DC Power Jack RS-232 Interface Centronics Interface
Label Entrance
(
External Mount
Use)
Power Switch
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B-443 Bar Code Printer
Service Manual
1.4 Basic Specifications
nThermal transfer and direct thermal printing
nHigh dot density printing (203 dots/inch)
nSelectable print speeds at 1.5”, 2.0”or 3.0”per second
nSupports parallel and serial interface
nMaximum media width up to 4.4”(114 mm)
nAdjustable label edge guide
nInternational character sets
nPrint area is 4.09”W x 90”L (without any file downloaded in the printer memory)
nUser selectable bar code ratios and heights
nPrints on labels or tickets
nEquipped with black mark sensor
nEquipped with Real Time Clock
nComes with self-peeling function
nBuzzer provided to warn of possible errors
nLabel stock and thermal transfer ribbon easy to install
nInternal label print counter
nSelf test and hex dump mode
nDownloadable fonts from label design software
Electronics/Communication Specifications
nElectrical
CPU: MITSUBISHI M37720S1BFP
TPH: ROHM 4”KF-2004-GC17B
Stepping Motor: Mitsumi
DC Motor: DC24V
Memory:-- DRAM: MOSEL 2 Mb.
-- Flash: ATMEL 1 Mb
Adapter 100~240VAC ±10%, 50~60Hz
Regulations: CE, TÜV-GS
nCommunications Interface:
Serial port: RS-232C (DB-9) at 2400, 4800, 9600 or 19200 baud rate
-- Word Length: 7 or 8 data bits, 1 or 2 stop bits, selectable parity
-- Handshaking: XON/XOFF and DSR/DTR
Parallel port: Standard parallel interface
Input Buffer: 60KB
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B-443 Bar Code Printer
Service Manual
nRS-232 Interface Pin Configuration:
Host Function 9Pin 25 Pin 9Pin Printer Function
1+5V
RxD 2 3 2 TxD
TxD 3 2 3 RxD
DTR 4 20 4 DSR
GND 5 7 5 GND
DSR 6 6 6 RDY
RTS 7 4 7 N/C
CTS 8 5 8 RDY
9+5V
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B-443 Bar Code Printer
Service Manual
1.5 Effective Print Area
Label/Ticket Length 12mm~2286mm
Effective Print Length 10mm~2284mm
Label/Ticket Width 25mm~103mm
Effective Print Width 23mm~101mm
No Print Area 1mm
1.6 Available Bar Codes
nCode 39
nCode 93
nCode 128 UCC
nCode 128, Subsets A, B, and C
nCodabar
nInterleaved 2 of 5
nEAN-8, EAN-13, EAN-128
nUPC-A, UPC-E
nEAN and UPC with 2 or 5 digits add-on
nUPC Shipping container code
nPostnet
nMaxicode
nPDF-417
nDataMatrix
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B-443 Bar Code Printer
Service Manual
1.7 Various Sensors
(1) Feed Gap Sensor
The feed gap sensor detects label gap to locate the starting print position of the next label. The
sensor is mounted 4 mm off the center line of the main mechanism.
.
nIn case of Label
(2) Black Mark Sensor
The black mark sensor locates the position of label by emitting infrared rays onto the black mark
at the back of the ticket. The sensor is mounted 5.75 mm off the center line of the ticket roll width
on the mechanism.
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