Sharing Printer and getting "Hold for Authentication" - No password prompt on Reload Button

I've got a Dymo 4xl plugged into my Mac mini. I've made it sharable on the Mac mini. I then came and installed the printer on my MacBook Air but I keep getting "hold for authentication". I go to click the refresh button and it doesn't prompt me for a password, it just retries to print the file. I've tried going into terminal and inputting the text. But it says "no matches found". Any help would be greatly appreciated.