Photocopying device with specified condition checking function

Details Photocopying device with specified condition checking function Photocopying device with specified condition checking function

1984-07-11

1987-04-14

Grimley, Arthur T.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

G03G 1500

Patent

active

046573755

ABSTRACT:
A copy machine is provided wherein a document on a document table is exposed by an exposure lamp, a toner image is formed on a photosensitive drum by reflected light from the document, and the toner image is transferred and fixed on a copying paper sheet. Half of a document on the document table is copied on an upper surface of a copying paper sheet, and the other half thereof is copied on a lower surface of the sheet. In this case, when a check command is entered in a continuous copying operation mode, the copying operation is interrupted after one copied sheet is obtained and a copied state can be checked. When the copied state is good, the interruption is released by entering another check command so as to restart the copying operation.

REFERENCES:
patent: 3936180 (1976-02-01), Willard et al.
patent: 4162396 (1979-07-01), Howard et al.
patent: 4173410 (1979-11-01), Tabata et al.
patent: 4181429 (1980-01-01), Batchelor et al.
patent: 4344697 (1982-07-01), Matsumoto et al.
patent: 4436409 (1984-03-01), Queener
IBM Technical Disclosure Bulletin, vol. 21, No. 11, Apr. 1979, Bach et al., "Copy Quality Check Modes for an Electrophotographic Copier", pp. 4387-4391.

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