TOC-1
TABLE OF CONTENTS
CHAPTER1 PRECAUTIONS
1-1
1.1 SAFETY
PRECAUTIONS...................................................................................... 1-2
1.2
DESIGN AND HANDLING PRECAUTIONS ......................................................... 1-3
1.2.1 Design
Precautions ....................................................................................... 1-3
1.2.2 Handling
Precautions .................................................................................... 1-5
1.2.3 Precautions
on Discarding ............................................................................ 1-6
CHAPTER2 FEATURES
2-1
CHAPTER3 SPECIFICATIONS
3-1
3.1 GENERAL
SPECIFICATIONS .............................................................................. 3-1
3.2 PRINT
CONFIGURATION..................................................................................... 3-3
3.3 STEP
MOTOR ....................................................................................................... 3-4
3.3.1 General
Specifications .................................................................................. 3-4
3.3.2 Sample
Drive Circuit...................................................................................... 3-5
3.3.3 Excitation Sequence...................................................................................... 3-6
3.3.4 Motor
Start/Stop Method ............................................................................... 3-7
3.3.5 Motor
Drive Method ....................................................................................... 3-8
3.3.6 Motor
Drive
Precautions.............................................................................. 3-14
3.4 THERMAL
HEAD ................................................................................................ 3-15
3.4.1
Structure of the Thermal Head .................................................................... 3-15
3.4.2 Print
Position
of the Data............................................................................. 3-16
3.4.3 Electrical
Characteristics of Thermal Head ................................................. 3-17
3.4.4 Timing
Chart ................................................................................................ 3-18
3.4.5
Thermal Head Heat Element Resistance.................................................... 3-18
3.4.6 Maximum
Current Consumption ................................................................. 3-19
3.5
CONTROLLING THE ACTIVATION PULSE WIDTH FOR THERMAL HEAD.... 3-20
3.5.1
Calculation of Activation Pulse Width.......................................................... 3-20
3.5.2 Calculation
of
Printing Energy ..................................................................... 3-20
3.5.3
Adjustment of Thermal Head Resistance.................................................... 3-21
3.5.4
Adjustment of Thermal Head Drive Voltage................................................ 3-21
3.5.5
Setting of Activation Pause Time ................................................................ 3-21
3.5.6
Adjustment by Thermal Head Activation Pulse Cycle................................. 3-22
3.5.7
Calculation Sample for the Activation Pulse Width ..................................... 3-23
3.5.8 Temperature
Characteristics of Thermistor ................................................ 3-24
3.5.9
Detecting Abnormal Temperature of the Thermal Head ............................. 3-26
3.6 OUT-OF-PAPER SENSOR ................................................................................. 3-27
3.6.1
Precautions for the Out-of-Paper Sensor.................................................... 3-27
