Image forming system

Details Image forming system Image forming system

1989-11-02

1995-05-23

Jankus, Almis

Photocopying

Contact printing

Light boxes

395133, 355 24, 355 46, 358401, G06F 1562

Patent

active

054189047

ABSTRACT:
An image forming system includes an image processor, a print engine, optional units, and a serial communication line. The print engine manages a variety of information including its own status. Priority for inquiry is given the information. The image processor has a function of generating a command used when the image processor inquires of the print engine information. The command includes flag data indicating whether the image processor requests information having the highest priority or information having a priority lower than the highest priority. The image processor further has a function of sending the command to the print engine and receiving a response from the print engine. The print engine has a function of receiving the command and sending the image processor, as the response, the requested information.

REFERENCES:
patent: 4931957 (1990-06-01), Takagi et al.
patent: 4970544 (1990-11-01), Furusawa et al.
patent: 4980780 (1990-12-01), Tanaka
patent: 4992958 (1991-02-01), Kageyama et al.
patent: 4998216 (1991-03-01), Hino et al.
patent: 5126786 (1992-06-01), Tanaka

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