DSF

I visted the website to get a GK420d driver for a new computer when I noticed a recall message on their site. Many of the power supplies throughout their printer range have a potential fire risk, so they are replacing the PSUs free of charge.

Check here:

https://www.zebra.com/gb/en/power-supply-recall.html

I dont think miines affected as it doesnt look anything like the one in the picture and i cant find the DC code??

Your PSU should be a Zebra manufactured device. On mine, there is a small white sticker on the back of the power supply. The DC code is the very last piece of information.