Service manual

SRP-150
Rev. 1.02
- 37 -
4-3-8 Thermal Printer Head Circuit
First, the CPU sends a Serial Clock and Serial Data 384Bits(48byte) to the Shift Register of the Thermal
Printer. The Serial Data are stored to Shift Register in the Thermal Printer.
STB No. DOT No. DOTs/STB
STB1
STB2
STB3
STB4
STB5
STB6
1 ~ 64
65~128
129~192
193~256
257~320
321~384
64
64
64
64
64
64
Figure 4-3-8-1 Thermal Printer Block Diagram