HP Laserjet 4600 Black Toner Refill Kit 4 Pack for HP C9720A Epson AL-C4200 High Yield Black

Epson AL-C4200 High Yield Black Toner Refill Kit for C13S050245 Toner Cartridge & Epson Aculaser AL-C4200 C4200 AL-4200 Printers

HP Laserjet 5SI High Yield Black Toner Refill Kit for HP C3909A Toner Cartridge & HP 5SI MX 8000N Xerox 6R906 Printers

IntelliFax Intellifax-2300ML Intellifax-2400ML Intellifax-2500ML   Intellifax-3500ML

so you can only refill NON starter cartridges which will already have a flag gear inside of the cartridge

HP Laserjet 4600 Black Toner Refill Kit 4 Pack for HP C9720A Epson AL-C4200 High Yield BlackHP Laserjet 4600 Black Toner Refill Kit 4 Pack for HP C9720A Toner Cartridge & HP 4600 4650 Printers. Includes 4 Reset Chips! This toner refill kit will produce the same amount of pages as an OEM cartridge would. This Refill Kit contains: 4 high yield bottles of toner 4 reset chips Easy to follow instructions Funnel caps for easy pouring Gloves to keep your hands toner free Magnetic toner cloth for easy toner clean up