vii
FIGURES
Figure 3-1 Heat Element Dimensions......................................................................................... 3-3
Figure 3-2 Print Area................................................................................................................... 3-3
Figure 3-3 Sample Drive Circuit.................................................................................................. 3-5
Figure 3-4 Sample Drive Circuit (LTPD347)............................................................................... 3-5
Figure 3-5
Input Voltage Waveforms for the Sample Drive Circuit............................................. 3-6
Figure 3-6
Motor Start/Stop Timing Chart .................................................................................. 3-7
Figure 3-7 Thermal Head Block Diagram(LTPD247) ............................................................... 3-16
Figure 3-8 Print Position of the Data(LTPD247)....................................................................... 3-17
Figure 3-9
Thermal Head Drive Timing Chart .......................................................................... 3-20
Figure 3-10 Thermistor Resistance vs. Temperature................................................................. 3-26
Figure 3-11 Sample External Circuit of the Out-of-paper Sensor .............................................. 3-30
Figure 3-12 Sample External Circuit of the Platen Position Sensor........................................... 3-31
Figure 4-1 Connecting Terminals ................................................................................................. 4-1
Figure 5-1
Timing Chart for Driving Using Six Divisions (LTPD247).......................................... 5-1
Figure 5-2
Timing Chart for Driving Using One Division (LTPD247).......................................... 5-2
Figure 6-1 Dimensions for Positioning and Securing the Printer Main Body (LTPD247A) ........ 6-2
Figure 6-2 Dimensions for Positioning and Securing the Printer Main Body (LTPD247B) ........ 6-2
Figure 6-3 Dimensions for Positioning and Securing the Printer Main Body (LTPD347A) ........ 6-3
Figure 6-4 Dimensions for Positioning and Securing the Printer Main Body (LTPD347B) ........ 6-3
Figure 6-5 Dimensions for Positioning and Securing the Platen Block ...................................... 6-5
Figure 6-6 External Dimensions and Motion of the Platen Release Lever................................. 6-8
Figure 6-7 Recommended Layout between the Printer and the Paper...................................... 6-9
Figure 6-8 Recommended Paper Holder Dimensions.............................................................. 6-10
Figure 6-9 Paper Path .............................................................................................................. 6-11
Figure 6-10 Blade Edge.............................................................................................................. 6-12
Figure 7-1 External Dimensions of the Platen Block (LTPD247) ............................................... 7-2
Figure 7-2 External Dimensions of the Printer (LTPD247A) ...................................................... 7-3
Figure 7-3 External Dimensions of the Printer (LTPD247B) ...................................................... 7-4
Figure 7-4 External Dimensions of the Platen Block (LTPD347) ............................................... 7-5
Figure 7-5 External Dimensions of the Printer (LTPD347A) ...................................................... 7-6
Figure 7-6 External Dimensions of the Printer (LTPD347B) ...................................................... 7-7
Figure 8-1 Loading the Thermal Paper (1) ................................................................................. 8-1
Figure 8-2 Loading the Thermal Paper (2) ................................................................................. 8-2
Figure 8-3 Cleaning Position of the Thermal Head .................................................................... 8-3