Page 577 - (DK) The Ultimate Visual Dictionary 2nd Ed.
P. 577

INKJET PRINTER
         PAPER FEED COMPONENTS






                                                            Attachment
                                                            clip
                      ROLL PAPER HOLDER ADAPTER









                                                             Attachment
                                                             clip

                              ROLL PAPER
                              HOLDER
                                                    Sheet feeder                   PAPER SUPPORT
                                                               Right edge
          OVERHEAD VIEW OF CASING
                                     Left edge guide           guide      Printer cover




                                                                                                  Preview
                                                                                                  monitor
                                                                                                  slot


                                                                                                  Settings
                                                                                                  display

                                                                                                  Photo
                                                                                                  select
                                                                                                  button
                                                                                                 Cancel
                                                                                                 button


                                                                                                  Start print
                                                                                                  button


                                                                  Processing light  Setting select buttons
          HOW A PIEZOELECTRIC INKJET PRINTHEAD WORKS
          Uncharged                 Charged crystal                  Ink sucked into
          piezoelectric             expands, increasing              reservoir by                Uncharged
          crystal                   pressure in reservoir            lowered pressure            crystal
                                                                                                 contracts,
          Ink                     Ink droplet forced                                             lowering
          reservoir               out of  firing chamber                                         pressure in
                                  by increased pressure                                          reservoir
          Firing                  in reservoir
          chamber
                     INKJET NOZZLE                  DROPLET EJECTED              CHAMBER REFILLED

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