88
m Drum Section
chap.2
2Timing of the LED and the ink pump motor operation is as follows. The ink pump motor works during
printing (driving output signal).
2Ink detection PCB unit
Between the CN6 - 24 and GND
1. LED Display and Output Signal on the Ink Detection PCB Unit
2
When the electric capacity variation between the detection needles on the ink detection PCB Unit and GND is
over the threshold value, the LED on the ink detection PCB Unit lights up and the ink signal (0V) is output.
Ink pump motor
rotates
R8S02G12
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