Image forming apparatus having a paper refeed tray

Details Image forming apparatus having a paper refeed tray Image forming apparatus having a paper refeed tray

1988-10-19

1990-03-13

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

355319, 355 24, 271 31, 271171, 271227, G03G 1500

Patent

active

049086731

ABSTRACT:
When paper where an image has been formed is stored in a paper refeed tray in a duplex or composite copy mode, two first regulator plates, between which the paper exists, move toward the paper to regulates a dimension of the paper in a direction perpendicular to a paper feeding direction. Each of the two first regulator plates has a detection member for detecting contact with paper. When the detection members of the two regulator plates provide detection outputs, the movement of the two regulator plates is stopped. Meanwhile, a passing time of the paper fed to the paper refeed tray is measured at a predetermined position. Based on the result of the measurement, a position of a second regulator plate for regulating the paper stored in the paper refeed tray in the paper feeding direction is controlled.

REFERENCES:
patent: 4585336 (1986-04-01), Tanaka
patent: 4657239 (1987-04-01), Ikesue et al.
patent: 4660963 (1987-04-01), Stemmle

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