Each print job received from the host computer is preserved to the hard disk drive attached to the printer, so the printer can proceed with independent printing,

releasing the host computer before the print job completes.

2) Error recovery

If a print job aborts as a result of any print problem, such as a paper jam or insufficient paper, the printer reloads the print job stored on the hard disk so it can resume

the print job without having to retransmit the job from the host computer to it.

3) Job preservation

Print jobs are in the common box, a place of temporary data storage, and in the personal box, a place of permanent data storage.

Normal print jobs are stored in the common box as they are received. Due to the limited hard disk space available, jobs stored in the common box are deleted from

the oldest one in sequence.

Print jobs can be simply stored in the personal box without printing. Print jobs stored in the common box can be moved to the personal box.

4) Preserved job handling

Print jobs stored in the personal box or common box can be printed from the operation panel.

5) Job queue handling

Multiple jobs queued for print can be handled. including the raising priority order of selected jobs in the queue or canceling selected print jobs.

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