Printer having referencing for removable printhead
View Patent ↗A printer is provided having a slot for removably receiving a printhead having a plurality of fluid ejection nozzles, and protrusions arranged in the slot to cooperate with a flat surface of a plurality of corners of the printhead upon mounting of the printhead to the printer, the cooperation providing information on the location of the nozzles.
1. A printer comprising:
a slot for removably receiving a printhead having a plurality of fluid ejection nozzles; and
protrusions arranged in the slot to cooperate with a flat surface of a plurality of corners of the printhead upon mounting of the printhead to the printer, the cooperation providing information on the location of the nozzles.
2. A printer according to claim 1 , wherein the nozzles of the printhead extend across a pagewidth printing zone.
3. A printer according to claim 2 , wherein each corner of the flat surface is arranged beyond the printing zone and each protrusion is arranged to correspond with the corresponding corner.
4. A printer according to claim 1 , further comprising control circuitry for controlling operation of the nozzles of the received printhead.
5. A printer according to claim 4 , wherein the control circuitry is configured to use the information of the location of the nozzles to control said operation.
6. A printer according to claim 4 , wherein the control circuitry incorporates an interface arranged in the slot for communicating power and data to the nozzles via contacts of the received printhead.
7. A printer according to claim 6 , wherein the interface defines at least one further protrusion configured to cooperate with a surface adjacent the contacts of the printhead.