Abnormality determining apparatus, image forming apparatus,...

Details Abnormality determining apparatus, image forming apparatus,... Abnormality determining apparatus, image forming apparatus,...

2006-01-18

2008-11-25

Brase, Sandra L (Department: 2852)

Electrophotography

Diagnostics

Reexamination Certificate

active

07457550

ABSTRACT:
A time point at which a predetermined period elapses since the start of use of a copying machine as a detection subject after factory shipment or repair is obtained. Pieces of set information, which are combinations of various types of information until the time point is reached are sequentially stored to construct a normal set information group. After the time point is reached, presence of abnormality in the copying machine is determined based on the normal set information group and the various types of information obtained.

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