Automatic optimization of HFSI warning thresholds based on actual service interval statistics

A method comprising:

• maintaining device-specific maintenance rate statistics of a device, said device being of a model type;
• maintaining an average maintenance rate statistics of all devices of said model type;
• comparing said device-specific maintenance rate statistics to said average maintenance rate statistics;
• if said device-specific maintenance rate statistics is higher than said average maintenance rate statistics, altering replacement warning thresholds for components of said device by extending said replacement warning thresholds to produce modified replacement warning thresholds;
• if said device-specific maintenance rate statistics is lower than said average maintenance rate statistics, altering replacement warning thresholds for components of said device by shortening said replacement warning thresholds to produce said modified replacement warning thresholds;
• storing said modified replacement warning thresholds in a computer-readable medium within said device;
• and
• in response to a query presented to said device, outputting, from said device, component replacement warnings using said modified replacement warning thresholds.

A computer program product comprising:

• a computer-readable data carrier storing instructions that, when executed by a computer, cause the computer to perform a method comprising:
• maintaining device-specific maintenance rate statistics of a device;
• calculating a device-specific usage amount that will occur before a next predicted maintenance service, based on said device-specific maintenance rate statistics of said device;
• comparing said device-specific usage amount that will occur before said next predicted maintenance service to a predetermined usage amount of a predetermined replacement warning threshold of a component within said device;
• if said device-specific usage amount is higher than said predetermined usage amount, altering replacement warning thresholds for said component by increasing said predetermined warning thresholds to produce modified replacement warning thresholds;
• if said device-specific usage amount is lower than said predetermined usage amount, altering replacement warning thresholds for said component by decreasing said predetermined warning thresholds to produce modified replacement warning thresholds;
• storing said modified replacement warning thresholds in a computer-readable medium within said device;
• and
• in response to a query presented to said device, outputting, from said device, component replacement warnings using said modified replacement warning thresholds.

A printing device of a model type, said printing device comprising:

• a computer-readable medium;
• a processor operatively connected to said computer-readable medium and executing instructions stored on said computer storage media;
• components operatively connected to said processor, said processor controlling said components to cause said components to print markings on printing media,
• at least one counter operatively connected to said processor, said counter determining a number of prints made by said printing device and counting a number of maintenance actions performed on said printing device, and said counter storing device-specific maintenance rate statistics in said computer-readable medium;
• and
• an input/output operatively connected to said processor,
• said processor calculating a device-specific usage amount that will occur before a next predicted maintenance service, based on said device-specific maintenance rate statistics;
• said processor comparing said device-specific usage amount that will occur before said next predicted maintenance service to a predetermined usage amount of a predetermined replacement warning threshold of a component within said device;
• if said device-specific usage amount is higher than said predetermined usage amount, said processor alters replacement warning thresholds for said component by increasing said predetermined warning thresholds to produce modified replacement warning thresholds;
• if said device-specific usage amount is lower than said predetermined usage amount, said processor alters replacement warning thresholds for said component by decreasing said predetermined warning thresholds to produce modified replacement warning thresholds;
• said processor storing said modified replacement warning thresholds in said computer-readable medium;
• and
• in response to a query presented to said device, said processor outputs component replacement warnings using said modified replacement warning thresholds.