Abnormality diagnosis system

Details Abnormality diagnosis system Abnormality diagnosis system

2005-12-14

2009-12-15

Baderman, Scott T (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

Reexamination Certificate

active

07634680

ABSTRACT:
In an abnormality diagnosis system of the invention where multiple devices and a server S are interconnected via a network, a communication failure may occur between the server S and one device (diagnosis object printer P1) among the multiple devices. On the occurrence of the communication failure, the server S instructs another device (diagnosis execution printer P2) among the multiple devices other than the diagnosis object printer P1to make a diagnosis of abnormality in the diagnosis object printer P1. In response to the instruction, the diagnosis execution printer P2obtains communication setting information from the diagnosis object printer P1, and compares the obtained communication setting information with own communication setting information stored in the self printer or the diagnosis execution printer P2. The diagnosis execution printer P2refers to a result of the comparison, makes diagnosis of the communication failure due to an error of the communication setting information set in the diagnosis object printer P1, and informs the server S of a result of the diagnosis. This arrangement of the invention enables easy diagnosis of abnormality in the diagnosis object printer P1in the event of a communication failure between the diagnosis object printer P1and the server S.

REFERENCES:
patent: 6665820 (2003-12-01), Frowein et al.
patent: 2002/0004798 (2002-01-01), Babula et al.
patent: 2002-288066 (2002-10-01), None

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