It happens some time that the users of HP printer get trouble to replace ink toner and look for someone who can help you. Well, if you are also looking for the help follow the given steps.
1. Purchase the new ink toner and unpack it.
2. Then open the frontal door of the printer.
3. Remove the old faulty ink toner from the printer.
4. Now install the brand new ink toner.
After all, if any trouble remains same then you should call to technical experts of customer care. You can dial HP printer technical support to reach the executives of customer care anytime when you need their help.
Visit here: HP printer contact number