Method of automatically inserting printing paper in an automatic

Details Method of automatically inserting printing paper in an automatic Method of automatically inserting printing paper in an automatic

1986-05-14

1991-03-26

Crowder, Clifford D.

Typewriting machines

Sheet or web

For feeding sheet from stack or pack holder

B41J 1300

Patent

active

050024140

ABSTRACT:
A method of automatically inserting a printing paper in a hopper of an automatic paper feeder or a manual insertion printing paper inserted from a manual paper input slot. Upon receiving an instruction to insert a printing paper by a printer, a platen is first rotated. Thereupon, provided the presence of the printing paper is detected by a sensor even with the platen being rotated by a prescribed amount, a paper feed motor of the automatic paper feeder is rotated for obtaining a printing paper from the hopper. While, provided the presence of a printing paper is detected before the platen is rotated by the prescribed amount, the paper feed motor is not rotated, it being assumed that the manual insertion of a printing paper has been already performed. After detected the presence of the printing paper, the platen is rotated by a prescribed amount to cause the printing paper to be moved to a position where a first line of the printing paper faces the face of the printing head.

REFERENCES:
patent: 3963110 (1976-06-01), Hyland et al.
patent: 4275969 (1981-06-01), Matsuhisa et al.
patent: 4362409 (1982-12-01), Endo
patent: 4396307 (1983-08-01), Shah et al.
patent: 4407597 (1983-10-01), Kapp
patent: 4469454 (1984-09-01), Crean
patent: 4569611 (1986-02-01), Watanabe et al.
patent: 4583872 (1986-04-01), Chu et al.

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