How do I refill a HP Laserjet Printer Cartridge with refill toner? (C7115a)?

Question

We believe we have to make a hole somewhere but we don't know where. Thanks for the help, we need to save a buck or two.

Answer 1

I'd definitely suggest purchasing a kit since you're going to needs caps and seals, as well as something to make the hole.  It looks like the kit found here includes everything you'd need:

http://www.tonerrefillsnow.com/hp/183.ht...

Answer 2

Yes a hole is necessary. Check out this site to get a hole maker

Good Luck