A:AnswerIt uses a hp26a it the best price I found is $126.00. It prints 3000 copies. The is hp26x that prints 9000 copies it cost about $216.00. I don't know how many it can print per day.
A:AnswerI would recommend going to HP's website and downloading any dirvers or software from their site directly.
Here is the link
https://support.hp.com/za-en/drivers/selfservice/hp-laserjet-pro-m402-m403-n-dn-series/7458627/model/7458628