HP Deskjet 1510 Printer has two inbuilt small cartridge. One is Black and another is colour. It prints approax 50 pages only. This printer has inbuilt chip which does not allow user to use refilled cartridge. Prices for new cartridge is high Black Cartridge @ 480 INR and Colour Cartridge @ 1200 INR. So page wise costing calculation is too high.This printer gives colour prints with very bad resolution. It consumes lot of ink, ink drain out even before print 50 pages in draft print setting with original HP 802 cartridge.