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METHOD AND SYSTEM FOR DIAGNOSIS AND CONTROL OF MACHINES USING CONNECTIONLESS MODES HAVING DELIVERY MONITORING AND AN ALTERNATE COMMUNICATION MODE

  • US 20070201496A1
  • Filed: 05/01/2007
  • Published: 08/30/2007
  • Est. Priority Date: 06/26/1997
  • Status: Active Grant
First Claim
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1. A method of controlling communications, comprising:

  • automatically generating, by a first monitored device, a first message;

    automatically transmitting, from the first monitored device, the first message to a second monitoring device using a first mode of communication;

    monitoring, by the first monitored device, whether the second monitoring device transmits, to the first monitored device, a response to the first message; and

    transmitting, by the first monitored device, a second message to the second monitoring device using a second mode of communication when the step of monitoring determines that the first monitored device has not received a response to the first message from the second monitoring device, wherein the first monitored device is one of a printer, a facsimile machine, a facsimile server, a scanner, a copier, a metering system, and a vending machine.

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