Two tree printer boot screen can not light up solution
I. Description of the problem:
After the machine is powered on, it cannot be turned on and the display screen cannot work
2. Solution:
1. Check whether the display is in good condition
2. Check whether the cable connection is normal
3. Check whether the mainboard works properly
1. Reinsert the cable of the display
2. If there are other machines can replace the screen detection, if not, please check the solder joints
3. Check whether the indicators on the mainboard are normal. If no, use a multimeter to measure the 24V power supply for the printer and the power cable.
4. Check whether the mainboard driver is abnormal, that is, whether the mainboard driver can be removed or replaced with a new one.If you need detailed steps and remote guidance tutorials, please contact email at

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