Zijiang ZJ-8002DD, Instruction Manual

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4.Communication Interface

1. RS232(COM)
：
standard RS232 Communications Protocol

2. USB
：
standard USB Communications Protocol

3. Bluetooth 2.0 / 4.0 Communication Protocol
5.The installation of the paper roll
The printer use 80MM thermal paper, and adopt to easy paper loading. So the paper is very
convenient install.
Paper diameter Max 40mm.
Thermal paper installation method is as follows:
（
1
）
Open the printer top cover
（
2
）
Thermal Paper as follow Graph to put into paper storehouse
（
3
）
Put out a little of the paper outside printer,then close the top cover.
（
4
）
Use paper saw tooth tear off redundant paper