Not sure about the PIN method. I looked in the WiFi settings in the HT2000W and it shows a box for a PIN, but it's as if it's wanting the PIN from the device you're trying to connect, not the other way around.
Can your printer connect via the WPS push button method? What is your printer model?
AMD Ryzen 5 3400G | XPG SX8200 Pro 500GB M.2 NVMe SSD | Western Digital Blue 500GB HDD | 16GB Corsair DDR4-3000 | Windows 10 Pro 64-bit