Patent ID: 11926095
Assignee: SEIKO EPSON CORPORATION
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 4:
5. The three-dimensional object printing apparatus according to claim 2, further comprising:
a second head having a second nozzle face in which a second nozzle for ejecting liquid is provided, wherein
the moving mechanism further includes a third up-and-down mechanism that has a fourth motor generating a driving force to move the second head and that changes a position of the second nozzle face along a fourth axis parallel to the second axis,
the second head ejects the liquid toward the workpiece during the execution of the first scan,
the third up-and-down mechanism changes the position of the second nozzle face during the execution of the first scan, and
the third up-and-down mechanism does not change the position of the second nozzle face during the execution of the second scan.