Cs Sensor Circuit - Epson LQ-860 Technical Manual

2.3.4.6 CS Sensor Circuit

Figure 2-46 shows the CS sensor circuit. When the color printing is executed, the circuit detects the color
home position (black) and each color ribbon section (cyan, magenta, and yellow) of the color ribbon.
Table 2-30 shows the relationship between the CS drive cam flag and the voltage at the P23 terminal of
the CPU.
I
FLAG
Figure 2-48. CS Sensor Circuit
Table 2-30. Relationship Flag and P23 Voltage
Flag
Slit
2-51
CPU
(4B)
5
I
o