Deconstructing a Printer Primary Function: Print stuff that’s been created on a computer. Secondary Sub-Functions Don’t be too bulky Operate quietly Use ink economically Primary Sub-Functions Communicate with computer and user Get ink onto paper in desired arrangement Feed paper smoothly

Deconstructing a Printer Sub-function: Communicate with computer and user USB and/or wireless Software Buttons and Display Exterior cables Interior wireless card

Deconstructing a Printer Sub-function: Feed paper smoothly Paper tray Rubber wheels pull paper Lots of interior mechanical stuff Sliding paper guides for different size sheets Gears Motor