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Photocopy monitoring system and method for monitoring copiers

  • US 5,184,179 A
  • Filed: 07/31/1991
  • Issued: 02/02/1993
  • Est. Priority Date: 05/17/1988
  • Status: Expired due to Term
First Claim
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1. A system for monitoring a paper processing device and reporting to a central station, the paper processing device including an internal diagnosing system for diagnosing malfunctions within the system, a display device for displaying the diagnosed malfunction, the diagnosing system providing an internal diagnostic signal specific to the paper processing device for causing the display device to display the malfunction comprising:

  • counter means for counting the number of papers processed by the paper processing device and producing a count signal corresponding to each paper processed;

    first control means for receiving the count signal, totalling the count signal and transmitting the total count at at least one of a predetermined time interval and a predetermined count interval and producing a count trigger signal;

    interface means for receiving the diagnostic signal without interfering with the operation of the display device, the first control means also receiving the diagnostic signal from the interface means and in response thereto producing a diagnostic trigger signal;

    modem means for transmitting the total count signal to the central station upon receipt of said count trigger signal, the modem means also receiving the diagnostic trigger signal and transmitting the diagnostic signal in response thereto to the central station; and

    voltage regulator means receiving an AC power input, a power input from the paper processing device and a battery power input, said voltage regulator means providing power to said first control means utilizing said battery power when said voltage regulator means detects an absence of an input of AC power and power from said paper processing device.

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