Method and apparatus for inspecting home position of ink-jet...

Details Method and apparatus for inspecting home position of ink-jet... Method and apparatus for inspecting home position of ink-jet...

2006-12-05

2006-12-05

Nguyen, Thinh (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S037000

Reexamination Certificate

active

07144094

ABSTRACT:
A method and an apparatus for inspecting a home position of an ink-jet printer carriage by moving the carriage in a first direction away from the home position until the carriage is not moved for a first predetermined period of time and determining a current position of the carriage as a first position using a maximum moving distance of the carriage. The method and apparatus include moving the carriage in a second direction towards the home position until the carriage is not moved for a second predetermined period of time and determining a current position of the carriage as a second position. If a distance between the first position and the second position is same as the maximum moving distance of the carriage and a second position is same as a second previously-determined position, a determination is made that an error does not exist in the home position.

REFERENCES:
patent: 6257781 (2001-07-01), Harris
patent: 6390698 (2002-05-01), Yoshida et al.

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