Brother Printer (Hailsham BN27)

Brother Hl- 2150N Printer, it works but the paper keeps jamming. I can't work out whether it is the cartridge that it is the problem or something else. Anyway the Toner Cartridge is half full and it does work but it prints one page fine and then the next page sticks in the cartridge. Brother printers last forever in my experience so this would be a nice printer if you can fix the sticking problem! You can also get replacement cartridges cheaply from CartridgeSave or similar