Patent ID: 6582055
Filing Date: 2003-06-24
Classification: B41J

Abstract:
A method for operating a printer having vertically offset first and second printheads, wherein the first printhead has a first array of nozzles, wherein the second printhead has a second array of nozzles, and wherein the method comprises the steps of:a) printing in a first mode which enables a number â€œMâ€  of vertically consecutive nozzles in the first array and which enables a number â€œNâ€  of vertically consecutive nozzles in the second array; and b) printing in a second mode which enables only a number â€œmâ€  of vertically consecutive nozzles in the first array and which enables only a number â€œnâ€  of vertically consecutive nozzles in the second array, wherein â€œMâ€  is greater than â€œmâ€ , â€œNâ€  is greater than â€œnâ€ , and the â€œmâ€  and â€œnâ€  vertically consecutive nozzles define a common print region.