I understand you're looking for help with a software feature related to the (used for resetting waste ink counters, ink pad replacement flags, or other maintenance resets).

import usb.core import usb.util dev = usb.core.find(idVendor=0x04B8, idProduct=0x1122) # Replace with L3210's VID/PID if dev is None: raise ValueError("Printer not found") dev.set_configuration() usb.util.claim_interface(dev, 0) Send proprietary reset command (example - NOT real for L3210) reset_cmd = bytes([0x1B, 0x40, 0x1B, 0x52, 0x00, 0x01, 0xFF]) # Fake dev.write(0x02, reset_cmd, timeout=5000) Read response response = dev.read(0x81, 64, timeout=5000) print(response)

usb.util.release_interface(dev, 0)