Printer head mounting assembly in an ink jet system printer

An ink jet system printer comprising:

• a printer head including a nozzle unit in a front face thereof, said nozzle having at least two orifices aligned in the lateral direction;
• a carriage supporting said printer head;
• drive means for shifting said carriage in said lateral direction;
• support means for rotatably supporting one edge of said printer head on said carriage, said support means including a cylindrical sheet formed on said carriage, a cylindrical protrusion formed on an undersurface of said printer head at a position corresponding to said cylindrical sheet, a spherical sheet formed on said carriage and laterally opposed to said cylindrical sheet, and a spherical protrusion formed on an undersurface of said printer head at a position corresponding to said spherical sheet;
• adjusting means provided on the opposing edge of said printer head for adjusting the inclination of said printer head on said carriage for accurately aligning said at least two orifices in said lateral direction, said adjusting means including a variable radius cam rotatably secured to said carriage on a cam shaft thereof and a cam actuator secured to said printer head, wherein said variable cam interacts with said cam actuator to accurately align said at least two orifices in said lateral direction;
• and
• locking means for locking said adjusting means, wherein said locking means is operable independently of said adjusting means.