Abstract: An electronic printer with a scanner for scanning the document pages of a job and converting the document images scanned to pixels, a printer for making prints of the documents from the pixels in accordance with job programming instructions, the scanner and printer operating asynchronously with respect to one another, and interruption of a job to process a special job is effected by interrupting the job currently being scanned by the scanner to scan the special job while continuing printing of other jobs in the print queue, and when the special job is ready, interrupting the job being printed to print the special job while resuming scanning of the interrupted job, and then continuing the printing of the interrupted job upon completion of the special job.

Abstract: An electronic printer with a scanner for scanning the document pages of a job and converting the document images scanned to pixels, a printer for making prints of the documents from the pixels in accordance with job programming instructions, the scanner and printer operating asynchronously with respect to one another, and proofing of one or more pages of a job is effected by interrupting the job currently being scanned by the scanner to scan the proof job while continuing printing of other jobs in the print queue, and when the proof job is ready, interrupting the job being printed to print the proof job while resuming scanning of the interrupted job.

Abstract: An electronic printing system having a scanner for scanning documents and converting the document images to image signals, a printer for making prints from image signals, and a programmer for programming job selections including a job supplement selection, programming job supplement enabling plural smaller jobs to be combined for a print job and preventing the scanner from scanning a new job until the job supplement program is completed.