Image forming apparatus

Electrophotography – Control of electrophotography process – Forming test image

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399 49, 399 50, 399 51, 399 55, G03G 1500

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active

060212888

ABSTRACT:
A digital copying machine develops an electrostatic latent image formed on a photosensitive drum with toner, and transfers the developed image onto a sheet. In forming images on the photosensitive drum successively, three types of test patterns are formed in order in intro-image areas between image forming areas, and AIDC is made. The first test pattern is a low-density pattern, the second test pattern is an intermediate-density pattern, and the third test pattern is a high-density pattern.

REFERENCES:
patent: 4853738 (1989-08-01), Rushing
patent: 5294959 (1994-03-01), Nagao et al.
patent: 5436705 (1995-07-01), Raj
patent: 5583644 (1996-12-01), Sasanuma et al.

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