Image forming apparatus

Details Image forming apparatus Image forming apparatus

1993-01-19

1997-05-20

Fuller, Benjamin R.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347250, 347248, 347234, 347249, B41J 2385, B41J 247, B41J 2435, G03G 1304

Patent

active

056316917

ABSTRACT:
An image forming apparatus has an image scanner, a sensor for determining that the image sensor has scanned the front edge of a document, and a controller using main scanning line synchronizing signals and an output signal of the sensor as reference signals. In response to the reference signals, the controller causes at least a writing unit to start writing each image data of particular color and causes a transfer medium driving circuit to start driving a transfer medium. The apparatus allows image components of different colors to be transferred to the transfer medium one above the other in accurate registration.

REFERENCES:
patent: 4977414 (1990-12-01), Shimada et al.
patent: 4992884 (1991-02-01), Sakata
patent: 5027158 (1991-06-01), Tompkins et al.
patent: 5367363 (1994-11-01), Kai et al.

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