Mimeographic printing machine having a stencil paper conveying d

Printing – Stenciling – Stencils

Patent

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101477, B41L 1306, B41L 1314

Patent

active

056134371

ABSTRACT:
In a mimeographic printing machine in which a mimeographic stencil paper is initially set in such a manner that the front leading end of the mimeographic stencil paper is located in a stencil paper passageway between a stencil making device and a rotary cylindrical printing drum, the mimeographic printing machine has a stencil paper conveying device, a stencil paper sensor and controller. The controller controls the stencil paper conveying device as follows: In the case where the stencil paper sensor does not detect the presence of the stencil paper when the stencil paper is initially set, the controller causes the stencil paper conveying device to forwardly move the stencil paper until, after the sensor detects the passage of the front leading end of the stencil paper, the front leading end of the stencil paper reaches a predetermined position. On the other hand, in the case where the sensor detects the presence of the stencil paper when the stencil paper is initially set, the controller causes the stencil paper conveying device to backwardly move the stencil paper until the sensor detects the passage of the front leading end of the stencil paper, and then to forwardly move the stencil paper until, after the sensor detects the passage of the front leading end of the stencil paper, the front leading end of the stencil paper reaches the predetermined position.

REFERENCES:
patent: 3585928 (1971-06-01), Kaneko
patent: 4628813 (1986-12-01), Hasegawa et al.
patent: 5123583 (1992-06-01), Kato et al.
patent: 5346322 (1994-09-01), Okamori
IBM Technical Disclosure Bulletin, vol. 22 No. 7 Dec. 1979, "Dual Motor Forms Feed Drive", Bateson et al.

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