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What is the difference between the green and red lights on the head driver card?

April 26, 2017card difference driver Head lights red

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What is the difference between the green and red lights on the head driver card?

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The green lights (LED) are an indication of continuity of the circuit between the head driver card and the coil. When a complete circuit exists and power is supplied to the head, the green LED for that coil is on. The red LED indicators show when a particular coil is being turned on. When the head is printing or pulsing, you will see the red LED for the coils pulse rapidly.