JPH0246737U - - Google Patents

Description

[Brief explanation of drawings]

FIG. 1 is a schematic cross-sectional configuration diagram showing a paper feeding device and image forming apparatus main body according to an embodiment of the present invention, FIG. 2 is a partial plan view of the paper feeding device, and FIG. FIG. 4 is a perspective view showing a paper cassette insertion section; FIG. 4 is a perspective view showing a paper discharge port of the paper feeder;
FIG. 5 is a diagram showing the configuration of the cassette support section and paper size detection section of the paper feeding device, FIG. 6 is a diagram showing the display section provided on the main body of the image forming apparatus, and FIG. 7 is a diagram showing the paper size detection and drive. A functional block diagram for controlling the motor, FIG. 8 is a flowchart for explaining the operation of the paper feeding device and the main body of the image forming apparatus, and FIG. 9 is a plan view of the paper feeding device according to another embodiment of the present invention. FIG. 10 is a partial front view thereof. 1... Image forming apparatus main body, 20... Paper feeding device, 21
...Paper feeder main body, 24...Rotating shaft, 27...Drive motor, 30...Cassette support section, 35...Paper discharge port,
37...Paper feed roller, 50...Paper feed cassette, 51a~
51h... Magnet, 52a-52h... Reed switch, 53... Control unit, 54a-54h... Light emitting element, 55a-55b... Light receiving element, 58... Motor drive control means, 60... Control unit.

Claims (1)

[Claims for Utility Model Registration] (1) A paper feeding device main body configured to be rotatable around a vertical axis, and paper feeding cassettes arranged around the vertical axis of the paper feeding device main body, respectively. a plurality of paper ejection ports formed on the outer periphery of the main body of the paper feeder in correspondence with the cassette support parts; A paper feed device comprising: a paper feed roller for discharging paper to the paper discharge port. (2) An image forming apparatus main body that forms images on supplied paper and a plurality of paper feed cassettes that can be installed, and a feeder that supplies paper from the paper feed cassettes located at the paper feeding position to the image forming apparatus main body. The paper feeding device has a paper feeding device main body configured to be rotatable around a vertical axis, and a paper feeding device disposed around the vertical axis of the paper feeding device main body, each of which has a paper feeding device main body configured to be rotatable around a vertical axis. a plurality of cassette support parts that support paper cassettes; a plurality of paper ejection ports formed on the outer periphery of the main body of the paper feeder corresponding to the cassette support parts; and a paper feed supported by each of the cassette support parts. a paper feed roller for discharging paper from the cassette to the paper ejection port; further, a drive means for rotating a paper feed device main body of the paper feed device about a vertical axis; and an image forming apparatus main body paper selection means for selecting paper to be fed at the paper feeder; and a paper feeder for identifying the type of at least the paper feed cassette located at the paper feed position among the plurality of paper feed cassettes installed in the paper feed device. paper cassette identification means; and, based on the identification result of the paper cassette identification means, the paper cassette that stores the paper selected by the paper selection means is positioned at the paper feeding position.
An image forming apparatus comprising: a control means for controlling the drive means.