Image forming apparatus having a controller to prevent erroneous

Details Image forming apparatus having a controller to prevent erroneous Image forming apparatus having a controller to prevent erroneous

1990-04-27

1991-07-02

Olszewski, Robert P.

Sheet feeding or delivering

Feeding

Multiple supplies

271227, 271241, 271254, 271265, B65H 344

Patent

active

050280422

ABSTRACT:
An image forming apparatus comprising: a rotating section of a rotatable cassette movable between a longitudinal feed position from which paper longitudinally oriented with respect to a feeding direction is fed and a lateral feed position from which paper laterally oriented with respect to the feeding direction is fed; a document size detection device for detecting the size and orientation of a document; an automatic paper selection function for selecting a cassette in accordance with document size/orientation data obtained from the document size detection device and magnification data; a timer for measuring a predetermined perod of time; a RAM for storing the document size/orientation data; and control a device for (i) controlling the timer to start its measuring operation upon detection of a document size/orientation by the document size detection device, (ii) controlling the movement of the rotating section of the rotatable cassette to a position which corresponds to a determined orientation of the copy paper if the rotatable cassette is selected by the automatic paper selection function, and there occurs no change in the document size/orientation data sent from the document size detection device to the RAM before the completion of the measuring operation by the timer, and renewing the document size/orientation data stored in the RAM and restarting the measuring operation of the timer if the document size/orientation data have been changed before the completion of the first set measuring operation of the timer. With the above arrangement, even if there occurs a change in the document size/orientation data due to a detection error etc. within a predetermined time period, the rotating section of the rotatable cassette can be set in a desired feed position without undesirable rotations.

REFERENCES:
patent: 4540170 (1918-09-01), Masuda et al.
patent: 4809050 (1989-02-01), Ito
patent: 4874958 (1989-10-01), Sampath et al.

Affiliated with

Also associated with

Rating

Image forming apparatus having a controller to prevent erroneous does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Image forming apparatus having a controller to prevent erroneous, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image forming apparatus having a controller to prevent erroneous will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1241591