When users use a stormjet poster printer equipped with Epson print heads to print, sometimes the pstormjet poster printer epson head does not spray, full spray or draws the line, which greatly affects the printing work.Technicians of stormjet poster printer will give users reasons and daily precautions.

In addition to the damage of the data board, the internal circuit of stormjet poster printer epson head is burned out. The main reasons as follows:

1. Water-based ink penetrates into the data line interface of stormjet poster printer epson head, causing a short circuit between the 42V channel and the data channel, and burning the internal chip.
2. Excessive voltage or voltage fluctuation burns out the internal circuit, causing no spray, full spray or wire pulling.
3. The data cable is artificially reversed, or the data cable is plugged and unplugged in the wrong way, causing damage to stormjet poster printer epson head.

Precautions:
1. The stormjet poster printer epson head 42V power supply and data are all on the same flexible cable, so you can't shake it left and right. If it shakes left and right, it will cause 42V circuit to touch other data lines, which will directly burn out the board and stormjet poster printer epson head.
2. The normal power supply voltage of stormjet poster printer epson head is 42V, so before installing stormjet poster printer epson head, it is necessary to measure whether the voltage is normal.