A board is a type of printed circuit board (PCB) that is made with a plug that can be inserted into the slot of the main circuit board (motherboard) of a computer to control the operation of hardware, such as displays, acquisition cards, and other devices. After installing the driver program, the corresponding hardware functions can be realized.

1、 Color issue during printing:
1. Abnormal ink discharge caused by the contact of the board cable.
2. Abnormal ink output caused by printhead blockage.
3. Capacitor damage caused by abnormal connection between front page card and printhead.
2、 Equipment malfunction:
If there is a sudden device malfunction during use, it can be quite difficult to troubleshoot.
3、 Other
In addition, there are many other minor issues that need to be paid attention to, such as color matching in spray painted images, abnormal movement caused by static electricity, and misalignment of grating bars.

1. If the wiring is loose or detached, it should be promptly reconnected or replaced.
2. If the printhead is blocked, increase the flashing frequency and choose to clean it at an appropriate time.
3. The front page or printhead hardware is damaged and must be replaced.
4. Abnormal movement, it is necessary to check the voltage of various parts, drive dialing and wiring conditions. Correct circuit connections and normal components will definitely not cause any problems.
5. The color matching is inaccurate and needs to be redone.

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Different models and print heads require the use of compatible motherboard cards: