Toshiba B-EV4 User Manuals

Table of Contents

• 1. OUTLINE

  3
  • 1.1 Feature of the B-EV4D/EV4T

    3
    • 1.1.1 Front View

      3
    • 1.1.2 Rear View

      4
    • 1.1.3 Interior

      4
  • 1.2 Indication of the Model Name

    6
  • 1.3 Basic Specifications

    7
  • 1.4 Key and LED

    10
  • 1.5 Supply Specifications

    11
    • 1.5.1 Media Type

      11
    • 1.5.2 Detection Area of the Transmissive Sensor

      12
    • 1.5.3 Detection Area of the Reflective Sensor

      12
    • 1.5.4 Ribbon

      13
• 2. ELECTRONIC SPECIFICATIONS

  14
  • 2.1 Block Diagram

    14
  • 2.2 Main PC Board Layout

    15
  • 2.3 Description of the MAIN PC Board

    16
• 3. REPLACING THE IMPORTANT PARTS

  23
  • 3.1 Replacing the Top Cover

    24
    • 3.1.1 B-EV4T model

      24
    • 3.1.2 B-EV4D model

      25
  • 3.2 Replacing the Lower Cover

    28
  • 3.3 Replacing the Main PC Board

    29
  • 3.4 Replacing the Platen Ass’y

    31
  • 3.5 Replacing the Print Head Ass’y

    32
    • 3.5.1 B-EV4T model

      32
    • 3.5.2 B-EV4D model

      34
  • 3.6 Replacing the Stepping Motor

    37
  • 3.7 Replacing the Gear Cover

    39
  • 3.8 Replacing the Feed Button PC Board

    41
  • 3.9 Replacing the Cover Open Sensor

    42
  • 3.10 Replacing the Ribbon Sensor

    43
  • 3.11 Replacing the Black Mark Sensor

    44
  • 3.12 Replacing the Feed Gap Sensor (Lower)

    46
  • 3.13 Replacing the Feed Gap Sensor (Upper)

    48
• 4. TROUBLESHOOTING

  50
  • 4.1 LED Status

    50
  • 4.2 Print Quality

    51
• 5. MAINTENANCE

  52
• 6. SYSTEM MODE

  54
  • 6.1 FIRMWARE DOWNLOAD

    54
  • 6.2 ABORT OF LABEL FORMAT AUTO CALL

    55
  • 6.3 PARAMETER CLEAR

    55
  • 6.4 SENSOR ADJUSTMENT

    56
  • 6.5 DIAGNOSTIC TEST PRINT/DUMP MODE

    56