Digital copier

Claim 2

A digital copier comprising: reading means for outputting image data representative of a document by reading said document; storing means for storing the image data fed from said reading means; a plurality of writing means each writing an image on a recording medium on the basis of the image data stored in said storing means, each of said plurality of writing means outputting status data representative of a writing condition under which said writing means is capable of performing a writing operation; commanding means for producing a command representative of a desired writing condition; selecting and designating means for selecting and designating any of said plurality of writing means; display means for displaying said writing condition of said selected and designated writing means; and control means for controlling said selecting and designating means, in response to the command from said commanding means and the status data from said plurality of writing means, to select and designate any of said plurality of writing means when said writing condition of said selected and designated writing means coincides with said desired writing condition.

Claim 3

A digital copier as claimed in claim 1, wherein said command comprises at least one of a desired number of copies, a magnification change ratio, and an image density.

Claim 4

A digital copier as claimed in claim 1, wherein said writing condition displayed by said display means comprises at least one of a set number of copies, a number of produced copies, trouble indications including a paper jam, a set image density, a set magnification ratio, a busy or writing status, and a ready or waiting status.

Claim 5

A digital copier as claimed in claim 1, wherein said command comprises at least one of a desired number of copiers, a magnification change ratio, and an image density, and wherein said writing condition displayed by said display means comprises at least one of a set number of copies, a number of produced copies, trouble indications including a paper jam, a set image density, a set magnification ratio, a busy or writing status, and a ready or waiting status.

Claim 6

A digital copier as claimed in claim 1, further comprising mode clear means for producing a mode clear signal, said control means comprising a memory for storing other status data, wherein said control means controls said display means, in response to said mode clear signal, to display said other status data with no regard to said status data outputted from said plurality of writing means.

Claim 7

A digital copier comprising: reading means for outputting image data representative of a document by reading said document; first storing means for storing the image data fed from said reading means; a plurality of writing means, each writing an image on a recording medium on the basis of the image data stored in said storing means, each of said plurality of writing means outputting status data representative of a writing condition under which said writing means is capable of performing a writing operation; commanding means for commanding said writing means to operate and generate operation data; second storing means, each being associated with a respective one of said writing means and having a first area for storing said status data from said writing means and said operation data from said commanding means and a second area independent of said first area for storing said operation data from said commanding means; display means for displaying said status data and said operation data; and control means for storing, when said commanding means commands an operation, resulting operation data in said second area of said second storing means, comparing said operation data with each status data stored in said first area of said second storing means, selecting one of said writing means associated with the status data matching said operation data to cause said one writing means to operate, and writing said operation data in said first area associated with said writing means.

Claim 8

A digital copier comprising: reading means for outputting image data representative of a document by reading said document; first storing means for storing the image data fed from said reading means; a plurality of writing means, each writing an image on a recording medium on the basis of the image data stored in said storing means, each of said plurality of writing means outputting status data representative of a writing condition under which said writing means is capable of performing a writing operation; commanding means for commanding said writing means to operate and generate operation data; second storing means, each being associated with a respective one of said writing means and having a first area for storing said status data from said writing means and said operation data from said commanding means and a second area independent of said first area for storing said operation data from said commanding means; display means for displaying said status data and said operation data; and control means for storing, when said commanding means commands an operation, resulting operation data in said second area of said second storing means, comparing said operation data with each status data stored in said first area of said second storing means, selecting one of said writing means associated with the status data matching said operation data to cause said one writing means to operate, and writing said operation data in said first area associated with said writing means.