Hp deskjet ink advantage 2135 all in one printer compact with easy control options hp deskjet printer is a compact sized printer which is efficient .it is a multi functional printer that can only print but also photocopy and scan your documents for printing the hp deskjet printer comes with thermal ink technology that uses thrrmal energy to heat ink thus making it a cost efficient choice for high speed printing. It has a flatbed type scanner that can scan almost all kinds of file formats including JPEG PNG PDF BMPand TIFF at a resolution of around 1200 dpi