Electrostatic copying apparatus

Details Electrostatic copying apparatus Electrostatic copying apparatus

1980-01-21

1981-10-13

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

271171, 355 3SH, 355 14TR, G03G 1500

Patent

active

042945356

ABSTRACT:
In an electrostatic copying machine (21) having an automatic document feed system (23), a document (28) is fed onto a platen (26) for scanning in a first direction (36) and a copy sheet (64) is fed into toner image transferring engagement with a photoconductive drum (27) in a second direction (84) which is perpendicular to the first direction (36). The document (28) is aligned with a center of a document feed path (34) regardless of the width of the document (28). The timing at which the copy sheet feed begins is controlled in accordance with the sensed width of the document (28) in such a manner that a leading edge of the copy sheet (64) aligns with a leading edge of a toner image on the drum (27).

REFERENCES:
patent: 3647207 (1972-03-01), McPherson
patent: 3689143 (1972-09-01), Case et al.
patent: 3957366 (1976-05-01), Taylor et al.
patent: 4129377 (1978-12-01), Miyamoto et al.

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