IHR810 User Manual
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21.
Chapter 7
Installation And Operation Instruction For Switching Function Of USB Port And Virtual COM.
To Download IHR810 Printer Virtual COM Drivers Click Here.
Instructions for switching function of USB port and Virtual COM
Instruction code:
Decimal system: 31 27 31 184 19 20 N
Hexadecimal system: 1F 1B 1F B8 13 14 N
Functional description: you can switch to the real USB port or USB Virtual COM;
value ranges of N, notes: N=0, USB port; N=1, Virtual COM.
Both the NXP chip and ST chip support this function, you should firstly confirm which kind of chip and install the driver
according to the type of chip.
I. How to view NXP chip and ST chip
1. At first, go to the Universal Serial Bus controllers of Device Manager and find USB printing support; as shown in the
following picture.
2. View VID/PID information on USB port, as shown below:
You can view the NXP chip information in the above picture; USB port VID/PIDinformation 0483/5743 of ST chip
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