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Toshiba B-SV4T SERIES Manual

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TOSHIBA Barcode Printer
B-SV4T SERIES
Printer Manual
Original
Jun., 2007
(Revised
This manual includes the contents of the Product Descrption, Maintenance Manual, and
Circuit Description.
Document No. EO18-33019
)
PRINTED IN JAPAN

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  Summary of Contents for Toshiba B-SV4T SERIES

  • Page 1 TOSHIBA Barcode Printer B-SV4T SERIES Printer Manual Document No. EO18-33019 Original Jun., 2007 (Revised This manual includes the contents of the Product Descrption, Maintenance Manual, and Circuit Description. PRINTED IN JAPAN...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS Page FUNDAMENTAL OF THE SYSTEM---------------------------------------------------------------------------1-1 Overview ------------------------------------------------------------------------------------------------------1-1 1.1.1 Front View -------------------------------------------------------------------------------------------1-1 1.1.2 Rear View -------------------------------------------------------------------------------------------1-1 1.1.3 Interior View-----------------------------------------------------------------------------------------1-2 Indications in Model No. -----------------------------------------------------------------------------------1-2 Specifications ------------------------------------------------------------------------------------------------1-3 1.3.1 Printer---------------------------------------------------------------------------------------------------1-3 Supply Specifications --------------------------------------------------------------------------------------1-4 1.4.1 Media -------------------------------------------------------------------------------------------------1-4 1.4.2 Ribbon Sizes and Shapes Specifications ---------------------------------------------------1-8 ELECTRONICS -----------------------------------------------------------------------------------------------------2-1 Circuit Description-------------------------------------------------------------------------------------------2-1 MCU Circuit and MCU PIN Description----------------------------------------------------------------2-3...
  • Page 3 TROUBLESHOOTING --------------------------------------------------------------------------------------------5-1 MAINTENANCE-----------------------------------------------------------------------------------------------------6-1 CAUTION! 1. This manual may not be copied in whole or in part without prior written permission of TOSHIBA TEC. 2. The contents of this manual may be changed without notification. 3. Please refer to your local Authorised Service representative with regard to any queries you may have in this manual.
  • Page 4: Fundamental Of The System

    1. FUNDAMENTAL OF THE SYSTEM 1.1 Overview 1.1.1 Front View Ribbon Access Cover Indicator Lamp Top Cover FEED/PAUSE Button Media Outlet Cover Open Lever Fig. 1-1 Front View 1.1.2 Rear View Label Roll Capacity View Window Rear Media Guide Power Switch USB Interface Power Jack Connector...
  • Page 5: Interior View

    1.1.3 Interior View WARNING! Do not touch the print head or around it just after printing. Ribbon Access You may get burned as the print head becomes very hot during printing. Rear Hub Front Hub Print Head Cover Open Caution Symbol for the Sensor Print Head (Please refer Ribbon Sensor...
  • Page 6: Specifications

    1.3 Specification 1.3.1 Printer Item B-SV4T Mechanism Resolution 203 dpi. Max. Print Width 108 mm. Max. Print Length 609.6 mm ( 24” ). Ribbon Capacity 300 meter with 1” core. (Max. Outside diameter: 67 mm) Printing Speed 2, 3, 4 and 5 ips selectable. Strip function 2, 3 ips selectable Printing Method...
  • Page 7: Supply Specifications

    25.4, 38.1, or 76.2 (1, 1.5, or 3) Note (1). To ensure print quality and print head life use only TOSHIBA TEC approved media. (2). When using a media roll of 76.2-mm (3”) inner core diameter, the 3”-Diameter Media Shaft included in the optional External Media Roll Hanger is required.
  • Page 8 Label Detection Figure (1) Regular Label (Die-Cut) Figure (2) Transmissive sensor detection In B-SV4T, transmissive sensor is located in the right side of label guide, which detects at 6 mm from the liner edge of media,the detectible range, at least, offset 6 mm. Regarding the label, the detectible function only can be used at this way.
  • Page 9 Black Mark Detection The reflective sensor is full range moveable for detecting the black mark and nutchf. The scope of black mark length detection is min. 2.0 mm, max. 3.81 mm and min. black mark width 8mm. Figure (3) Black Mark Detection Figure (4)
  • Page 10 NOTE (1). Leading edge of black mark is congruent with trailing edge of butt label or tag. (2). The mark-offset error from the trailing edge is +/- 0.76mm (+/- 0.030”). (3). Attached hole maybe used as a black mark sensor. Oval / Rectangular attached hole is recommended.
  • Page 11: Ribbon Sizes And Shapes Specifications

    1.4.2 Ribbon Sizes and Shapes Specifications Please make sure that the ribbon being used is approved by TOSHIBA TEC. The warranty does not apply to any problem caused by using non-approved ribbons. For information regarding TOSHIBA TEC approved ribbon, please contact a TOSHIBA TEC service representative.
  • Page 12 Core Figure (8) Approved Ribbons The following ribbons approved should be used. The manufacturer ink name of the ribbon must not be revealed, and handled carefully. Ribbon model name Brand TR45 Fuji-Copian DW-350 AWR-470 * ARMOR B-110A RICOH B-110C RICOH TR4085 Sony Chemical TR4065 *...
  • Page 13: Electronics

    2. ELECTRONICS 2.1 Circuit Description Fig. 3 Circuit Diagram The main PCB ass’y of printer includes 10 system blocks: MCU. Memory System. Decoder System. Print Head System. Motor System. Power System. Communication Interface System. USB System. Sensor System. 10. Cutter System.
  • Page 14 The following figure shows the PCB system areas: Memory System Motor System Cutter System Sensor System Print Head System Decoder System Communication USB System Power System Interface System Fig. 4 PCB System Areas Diagram...
  • Page 15: Mcu Circuit And Mcu Pin Description

    2.2 MCU Circuit and MCU PIN Description Fig. 5 MCU PIN Description Diagram...
  • Page 16: Mcu Pin Description

    2.2.1 MCU PIN Description:...
  • Page 20 Usage Notes 1. Unused input pins should be pulled up or pulled down. 2. The WDTOVF pin should be pulled down in the SH7044/SH7045 F-ZTAT version. However, if it is necessary to pull this pin down, a resistance of 100 k or higher should be used.
  • Page 21: Reset Circuit

    2.3 Reset Circuit Fig. 6 Reset Circuit Diagram S-80845 IC voltage detector can detect the voltage while RC is charging and output the system reset signal of low when the driving voltage is lower than 4.5Vdc (Typical).
  • Page 22: Memory Circuit

    2.4 Memory Circuit Fig. 7 Memory Circuit Diagram There are 2MB DRAM and 2MB flash ROM built on main PCB ass’y. It uses U6&U7 type 1M Byte Flash ROM and U8 type 2M Byte DRAM. MCU R/W pin becomes high when reading Flash ROM or DRAM, and becomes low when writing. JP6 is memory module connector, which can expand to 8MB.
  • Page 23: Decoder Circuit

    2.5 Decoder Circuit Fig. 8 Decode Circuit Diagram 2-11...
  • Page 24: Memory Map

    2.6 Memory Map FFFF FFFF ON-CHIP RAM FFFF F000 RESERVED FFFF 8800 FFFF 87FF REGISTER FFFF 81A0 FFFF 8000 RESERVED 00FF FFFF 0200 0000 DRAM SPACE 0100 0000 00E0 0000 TPH STB 00D8 0003 Motor Phase2 00D8 0002 Motor Phase1 00D8 0001 RTC register data 00C0 0000...
  • Page 25: Print Head Circuit

    2.7 Print Head Circuit Fig. 9 Print Head Circuit Diagram CLK and LAT connect to thermal head control clock and data latch respectively. TPH_EN signal controls the DC24V voltage of the thermal head. When TPH_EN is high, the thermal head will be separated from 24V (V ).
  • Page 26: Stepping Motor Driver/Protection Circuit

    2.8 Stepping Motor Drive / Protection Circuit Fig. 10 Stepping Motor Drive/ Protection Circuit Diagram Connector, JP8, sends the pattern as shown in table1. The status of I0 & I1 determines the stepping motor power level. The power level pattern is shown in table2.
  • Page 27 Table 1 Stepping Motor Pattern Pin on Step Phase JP12 Table 2 Stepping motor power pattern Motor Current Current percentage 100% High Level Medium Level Low Level Zero Current 2-15...
  • Page 28: Power Circuit

    2.9 Power Circuit Fig. 11 Power Circuit Diagram The U3 SI-8050JD converts 24Vdc to 5Vdc. the limit current protest is 1.6A. 2-16...
  • Page 29: Parallel Interface Circuit

    2.10 Parallel Interface Circuit Fig. 12 Parallel Interface Circuit Diagram The Centronic interface supports one-way transmission, SPP mode or ECP mode. The parallel interface circuit is used with the externally connected personal computer parallel interface through the printer cable. When PC’s strobe signal comes in, the printer responds busy status until it reads the data from parallel interface.
  • Page 30 The pin assignments for nibble mode parallel interface connector is as following: Table 3. Pin Assignments For nibble mode Parallel Interface Connector SPP Mode Nibble Mode In/Out Function A low on this line indicates that there are valid data at the host. When this pin is de-asserted, the Strobe HostClk +ve clock edge should be used to shift the data...
  • Page 31: Serial Interface Circuit

    2.11 Serial Interface Circuit Fig. 13 Serial Interface Circuit Diagram RS-232 is an asynchronous transfer interface, which used with externally connected personal computer and keyboard unit. JP15 connects to PC serial interface through the RS-232 cable. RxD is a data receive pin of MCU. CTS is clear to send of MCU, which sends a signal from the external device.
  • Page 32: Usb Circuit

    2.12 USB Circuit Fig. 14 USB Circuit Diagram 2-20...
  • Page 33: Usb Pin Function

    2.12.1 USB PIN Function The standard USB 1.1. PIN function is as following: 2-21...
  • Page 34 2-22...
  • Page 35: Sensor Circuit

    2.13 Sensor Circuit 2.13.1 Feed Gap and Black Mark Sensor Fig. 15 Feed Gap / Black Mark Sensor Circuit Diagram The feed gap sensor is a penetrable sensor with 64 levels. Black mark sensor is a reflecting sensor with 64 levels. The feed gap sensor activates when feed gap and black mark SW signal is high.
  • Page 36: Head Open Micro Switch

    2.13.2 Head Open Micro Switch Fig. 16 Head Open Micro Switch Circuit Diagram The Head Open Micro Switch is a micro-switch. The voltage is low when the print head opens; otherwise, it is high. 2-24...
  • Page 37: Strip Sensor

    2.13.3 Strip Sensor Fig. 17 Strip Sensor Circuit Diagram This is a reflecting sensor. The strip sensor signal voltage is high when the paper is detected; otherwise, it is low. 2-25...
  • Page 38: Ribbon Sensor

    2.13.4 Ribbon Sensor Fig. 18 Ribbon Sensor Circuit Diagram This ribbon sensor is a reflecting sensor. The RIBB1~3 can be changed by command or auto-calibration. The REND signal voltage is high when the ribbon is detected; otherwise, it is low. 2-26...
  • Page 39: Cutter Drive/Protection Circuit

    2.14 Cutter Drive / Protection Circuit Fig. 19 Cutter Drive / Protection Circuit Diagram RESET signal is high when the printer is turned on. The cutter is activated when CTEN signal is low. CTPhase signal controls the rotated direction. U15B 74HC123 controls the breaking of the DC motor of the cutter.
  • Page 40: Dc Motor Driver/Encoder Circuit

    2.15 DC Motor Driver / Encoder Circuit Fig. 20 DC Motor Drive/ Encoder Circuit Diagram DCM signal is used to switch on/off the motor driver, The DC PHASE signal is to control the direction of the rotate the encoder circuit, which is used to detect the rotary rate.
  • Page 41: Replacing The Important Parts

    3. REPLACING THE IMPORTANT PARTS WARNING! WARNING! 1. Turn off the power switch and disconnect the DC plug of the AC Adapter and the cables before replacing any parts. 2. Follow all manual instructions. Failure to do so could create safety hazards such as fire or electrocution.
  • Page 42: Replacing The Top Cover Ass

    3.1 Replacing the Top Cover Ass’y CAUTION! 1. NEVER touch the element when handling the Print Head. 2. NEVER touch the connector pins to avoid a breakdown of the Print Head by static electricity. 1. Open the printer top cover by pushing forward the top cover open levers to the paper outlet direction.
  • Page 43 3. Remove the 6 screws in the top inner cover. Screws Screws 4. Disconnect the harness from the Feed button PCB. Replace the top cover ass’y. 5. Reassemble parts in reverse procedures.
  • Page 44: Replacing The Lower Inner Cover

    3.2 Replacing the Lower Inner Cover 1. Refer to 3.1 to remove the top cover ass’y. 2. Remove the 6 screws on lower inner cover. Turn the printer upside down, remove the 2 screws of hinge holder, and 1 screw of memory module cover. Screw of Screw of hinge holder...
  • Page 45: Replacing The Lower Cover Ass

    3.3 Replacing the Lower Cover Ass’y 1. Refer to 3.1 to open the top cover ass’y. 2. Refer to 3.2 to remove the 6 screws of lower inner cover. Turn the printer upside down, remove the 2 screws of hinge holder, and 1 screw of memory module cover.
  • Page 46 4. Replace the main PCB ass’y . 5. Reassemble parts in reverse procedures.
  • Page 47: Replacing The Platen Ass

    3.5 Replacing the Platen Ass’y 1. Squeeze two sides of platen ass’y and take it out. Squeeze Here Squeeze Here Platen Ass’y 2. Replace a platen ass’y. 3. Reassemble it in reverse procedures.
  • Page 48: Replacing The Stepping Motor Bracket/Metal Assembly And Stepping Motor

    3.6 Replacing the Stepping Motor Bracket / Metal Assembly and Stepping Motor 1. Please refer to 3.1 for disassembling the lower cover ass’y and lower inner cover. 2. Disconnect all harnesses from the main PCB ass’y . 3. Turn the lower inner cover upside down. 4.
  • Page 49 7. Remove the motor bracket/metal assembly. Motor Bracket/Metal Assembly 8. Reassemble parts in reverse procedures.
  • Page 50: Replacing The Feed Gap Sensor Ass'y And Label Guide

    3.7 Replacing the Feed Gap Sensor Ass’y and Label Guide 1. Please refer to 3.1 for disassembling the lower cover ass’y and lower inner cover. 2. Disconnect all harnesses from the main PCB ass’y . 3. Turn the lower inner cover upside down. 4.
  • Page 51 6. Turn over the lower inner cover. 7. Move the right side and left side label guides to the end of each side. Rotates 90 degrees and pull them out. Lower Inner Cover Label Guides 8. Reassemble parts in reverse procedures. 9.
  • Page 52: Replacing The Black Mark Sensor Ass'y

    3.8 Replacing the Black Mark Sensor Ass’y 1. Please refer to 3.1 for disassembling the lower cover ass’y and lower inner cover. 2. Disconnect all harnesses from the main PCB ass’y . 3. Turn the lower inner cover upside down. Remove 4 screws and remove the plastic laminate.
  • Page 53: Replacing The Print Head Ass'y

    3.9 Replacing the Print Head Ass’y CAUTION! 1. NEVER touch the element when handling the Print Head Ass’y. 2. NEVER touch the connector pins to avoid a breakdown of the Print Head by static electricity. 1. Press right concave of the print head bracket and use a flat screwdriver to stick right side of the printer head bracket then pick up the print head ass’y.
  • Page 54: Replacing The Head Open Micro Switch

    3.10 Replacing the Head Open Micro Switch Please refer to 3.1 for disassembling the top cover ass’y and top inner cover. Disconnect ribbon drive block by screwing off 4 screws at top inner cover. Top Inner Cover Screws Screws Ribbon Drive Block Remove 2 screws and remove the head open micro switch.
  • Page 55: Replacing The Ribbon Motor And Ribbon Sensor

    3.11 Replacing the Ribbon Motor and Ribbon Sensor 1. Please refer to 3.1 for disassembling the top cover ass’y and top inner cover. 2. Disconnect ribbon drive block by screwing off 4 screws at top inner cover. 3. Screw off 2 screws at side of the ribbon mount. 4.
  • Page 56 5. Screw off 2 screws from the top inner cover. 6. Replace the ribbon sensor. Ribbon Sensor Screws 7. Reassemble parts in reverse procedures. 3-16...
  • Page 57: Replacing The Feed Button Ass'y

    3.12 Replacing the Feed Button Ass’y Please refer to 3.1 for disassembling the top cover ass’y and top inner cover. Turn the top cover upside down. Remove 2 screws on feed button Ass’y and remove feed button PCB. Top Cover Ass’y Feed Button Ass’y Screws Reassemble parts in reverse procedures.
  • Page 58: Installation Procedure For Optional Equipment

    4. INSTALLATION PROCEDURE FOR OPTIONAL EQUIPMENT 4.1 Set Up Memory Module (Option: B-SV704-E1M/E2M/E3M/E4M/E6M/E8M-QM-R) Turn the printer upside down. Screw off 1 screw and open the memory module cover. Screw Memory Module Cover Plug in a memory module, pin to pin, on main PCB ass’y. Memory Module Main PCB Ass’y...
  • Page 59 Revert the memory module cover. Reassemble parts in reverse procedures.
  • Page 60: Install The Strip Module (Option: B-Sv404-H-Qm

    4.2 Install the Strip Module (Option: B-SV404-H-QM-R) 1. Open the top cover ass’y. 2. Remove two screws for hinge support and one screw for memory module cover in lower cover ass’y. 3. Remove 6 screws on the lower inner cover. 4.
  • Page 61 7. Connect the harness of strip module at JP17 on the main PCB ass’y . JP17 Main PCB Ass’y 8. Put down the lower inner cover onto lower cover ass’y. Lower Inner Cover Lower Cover Ass’y 9. Push strip module to lock to the lower inner cover. Strip Module 10.
  • Page 62: Install The Cutter Module (Option: B-Sv204-Qm

    4.3 Install the Cutter Module (Option: B-SV204-QM-R) WARNING! 1. Be sure to turn OFF the power before removing the Cutter Cover. 2. Care must be taken not to injure your fingers by the cutter blade. Upside down the printer to remove two screws of hinge holder in the lower cover ass’y.
  • Page 63 Plug in the Cutter Driver IC A3952SB at U14 socket on the main PCB ass’y . Cutter Driver IC A3952SB Open the printer top cover ass’y by pushing the top cover open levers to the paper outlet direction. The top cover support will hold the printer top cover ass’y.
  • Page 64 Install the 4 pin connector of the cutter onto JP10 on the main PCB ass’y . Pull the wire of the 4-pin connector through the slot of lower inner cover front side. Then, put back the lower inner cover. wire of the 4-pin Location JP10...
  • Page 65 10. Gently push cutter module into the two slots of lower inner cover front side, then push cutter to lock into the lower inner cover. Lower inner cover Cutter Module 11. Assemble the memory module cover. 12. Reassemble parts in reverse procedures.
  • Page 66: Troubleshooting

    5. TROUBLESHOOTING This section lists the common problems that you may encounter when operating the printer. Also, it provides solutions. The printer is not receiving power. Turn the power switch on. Check power connection from both the socket to the power supply and the power supply to the printer.
  • Page 67 Ribbon runs out: Load a roll of ribbon and follow the instructions as following and then press the feed button to resume printing. 1. Push down on the ribbon access cover to unlock and open the cover 2. Place a paper core on a ribbon rewind spindle. Mount the ribbon rewind paper core on the front hubs.
  • Page 68 Paper sensor error Please check the following items: A. Is label installed correctly? Please refer to previous 4. The LED is on red blinking – Label runs out to load a roll of label and then press the feed button to resume printing.
  • Page 69 The printer serial port setting is not correspondent to the PC’s setting Please do the configuration by TPCL commands. Poor print quality The head maybe dirty. Clean the thermal print head. Adjust the print density setting. Ribbon and paper media are not compatible.
  • Page 70: Maintenance

    6. MAINTENANCE WARNING! 1. Be sure to disconnect the power cord before performing maintenance. Failure to do this may cause an electric shock. 2. To avoid injury, be careful not to pinch your fingers while opening or closing the top cover and print head block.
  • Page 71 PRINTED IN JAPAN EO18-33019...