Buy Toner Cartridge Can I Buy Toner To Re-fill My Printer's Ink Cartridge, And Do It Myself?

Can I buy toner to re-fill my printer's ink cartridge, and do it myself? - buy toner cartridge

. . . or do I need to "restore" the whole time? I have a LaserJet 1012, and I'm tired of the expensive cartridges, if it appears that simply must be able to recharge the cartridge.