Patent ID: 7991304
Filing Date: 2011-08-02
Classification: G03G

Abstract:
1. A diagnostic system that provides a service technician with service information during servicing of an image processing apparatus, the image processing apparatus including a first manifold, a second manifold, and a filter, the first and second manifolds and the filter being disposed along an air flow path for removal of toner particles, the diagnostic system comprising: at least one counter that is incremented during operation of the image processing apparatus based on predetermined criteria; a pressure detecting unit that detects a pressure at a point in the air flow path on the condition that the at least one counter is reset to zero after initial servicing of the image processing apparatus; a determining unit that determines whether a difference between the pressure detected by the pressure detecting unit and a fault threshold pressure is less than a predetermined margin, the fault threshold pressure being lower than the pressure detected by the pressure detecting unit; and a display unit that displays a fault code indicating additional servicing of the image processing apparatus is recommended on the condition that the determining unit determines that the difference between the pressure detected by the pressure detecting unit and the threshold pressure is less than the predetermined margin, wherein the at least one counter includes a first counter corresponding to the filter and a second counter corresponding to the first and second manifolds, the first counter is reset to zero on the condition that the filter is replaced during initial servicing and the second counter is reset to zero after initial servicing of the first and the second manifolds is performed, and on the condition that the first counter is not reset to zero and the second counter is reset to zero, the predetermined margin is Y