| 摘要 |
Embodiments herein include a method, computer program, etc., that establishes a first database of part replacement and fault occurrence history based on maintenance records and device data for a plurality of very similar or identical devices (fleet of identical (e.g., same model number) devices, such as electrostatic printing devices). The method creates a model based on information within the first database that links sequences of faults to specific replacement parts for the plurality of identical devices. In addition, the method can maintain a second database of repair history for a specific device within the fleet. This allows the method to predict which part or parts (repair parts) are needed for the specific device by applying the model to a sequence of fault codes for the specific device. In addition to the fault codes, the model can also consider the history of the specific device within the second database.
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