Photocopying – Contact printing – Light boxes
Patent
1990-09-28
1992-04-21
Pendegrass, Joan H.
Photocopying
Contact printing
Light boxes
355308, 358296, G03G 1500
Patent
active
051072998
ABSTRACT:
Printer job recovery for use in an electronic reprographic system includes the detection of faults affecting printer operation. If such a fault is detected, fault recovery is effected and operation continues. It is then determined whether the jobs are incomplete. If not, recovery is skipped and normal operation continues. If, however, it is determined that there are incomplete jobs, it is then determined whether there are any partially complete jobs. If not, normal system operation continues. Upon determination that there are partially complete jobs, the system recovers the oldest partially complete job. It is again determined whether there are any partially complete jobs. The cycle continues until it is determined that there are no partially complete jobs.
REFERENCES:
patent: 4163897 (1979-08-01), Hubbard et al.
patent: 4229100 (1980-10-01), Travis
patent: 4327993 (1981-05-01), Gauronski et al.
patent: 4383277 (1983-05-01), Kabo
patent: 4521847 (1985-06-01), Ziehm et al.
patent: 4797706 (1989-01-01), Sugishima et al.
patent: 5044619 (1991-09-01), Sundquist et al.
Austin John C.
Farrell Michael E.
Kinder Carla J.
Ortiz Pedro R.
Pendegrass Joan H.
Xerox Corporation
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