Printheads and method for assembling printheads

A printhead for a printer, the printhead comprising:

• a plurality of ejection chip units, each ejection chip unit of the plurality of ejection chip units configured to eject at least one fluid therefrom;
• a plurality of supporting units, each supporting unit of the plurality of supporting units fluidly coupled with a corresponding ejection chip unit of the plurality of ejection chip units, the each supporting unit comprising a plurality of trenches adapted to receive an adhesive to facilitate attachment of the each supporting unit with the corresponding ejection chip unit of the plurality of ejection chip units;
• and
• a base unit fluidly coupled with the each supporting unit of the plurality of supporting units and configured to carry the plurality of supporting units thereupon, the base unit adapted to provide the at least one fluid to the each ejection chip unit of the plurality of ejection chip units through a corresponding supporting unit fluidly coupled to the each ejection chip unit.