Podskazite , hope sew scx 4623F ....

I bought some last week, his printer - samsung scx 4623F, cartridge ran out and what to do now ?rnI called in different organizations , they said they could not help, you have to buy only the new cartridge !rnAdvise , can anyone come across ? Cartridge so expensive ! Where to find cheap ink cartridge for samsung scx 4623F?