How to refill Ricoh Aficio SP C430dn, C431dn toner cartridge
1. Push And Slide the cover
2. Shake the toner powder well until it appears liquid like. Open cap carefully and screw on the funnel. Refill the the toner…..apply plug, then clean any spilled toner thoroughly by using a vacuum.
3. Replacing Chip
Take the chip out of the cartridge
Replace it with new chip , then using some tape or hot clue to hold the chip in place