Can be used to print white for T-Shirt transfers, labels etc. If you are using an existing cartridge with white toner you can just refill and use. 

If you are refilling a Black, Cyan, Magenta or Yellow cartridge with white toner the cartridge MUST be disassembled and cleaned thoroughly of all other colour toner so as not to mix the white toner with another colour. Subsequent refills there is no need to clean, just pour and use. Many instructions available on youtube for disassembly and cleaning the cartridge before refilling.

We also have new ready to use White cartridges for this model