Hi I am posting to get information on resetting the drum count and installing toner for the Samsung SCX Series; SCX-4016, SCX-4100, SCX-4116, SCX-4200, SCX-4216, SCX-4321, SCX-4521/F, and last but defentely not least SCX-4720 if you could please respond with the information it would be a huge help thank you in advance