I have a Macbook Pro also. Took three cables to find one that worked. I ordered it from Amazon, even tried a hub that didn’t work. I plug it into the right side of the Mac. I don’t remember installing the CH340 driver. Your laser may require a USB plug type different from mine.
[Amazon.com: JSAUX USB B to USB C Printer Cable 10ft, Nylon Braided, USB C MIDI Cable Compatible for MacBook Pro, HP, Epson, Canon, Brother, Lexmark, Xerox Printers and Scanner-Red : Electronics]