matters needing attention

1. Read the safety and operation instructions carefully before operating and using the product. Please keep this manual for future use.
2. Follow all warning signs in the product and product use guide.
3. The key on the panel is a unipolar switch. When the power is turned on, press this key to switch between power on or standby mode;
If the all-in-one machine itself does not have a full pole switch, the power plug connecting the all-in-one machine is used as a device to disconnect the power supply, and the power plug should be easy to plug and unplug.
4. In case of abnormal sound or smell in the machine, please turn off the power immediately and unplug the plug. If it is confirmed that it is abnormal, do not continue to use it, and ask the product maintenance personnel to repair it.