Desktop printer with cartridge incorporating printhead integrated circuit

A desktop printer comprising:

• a printhead cartridge defining an ink reservoir, said printhead cartridge having a printhead integrated circuit including a plurality of micro-electromechanical nozzle arrangements;
• a cradle for removably receiving therein the printhead cartridge, the cradle supplying data and power to the printhead cartridge;
• a capping mechanism actuatable with respect to the printhead cartridge between an open position where the nozzles are able to eject ink from the reservoir onto a printing medium, and a closed position where the nozzles are sealed for protection, the capping mechanism attached to the cradle;
• a media input assembly for supporting the medium for printing, the input assembly arranged in a generally upright orientation, in use;
• a media output assembly for collecting printed media, the output assembly arranged in a generally horizontal orientation, in use;
• and
• a transfer mechanism configured to transfer the medium from the input assembly past the printhead cartridge to the output assembly along a medium transfer path, wherein
• the capping mechanism substantially spans a width of the medium transfer path.