Life Prediction of Developer

Developer‘s life depends on how the customer use the machine. Therefore, the service technician needs the method to predict the developer‘s life according to customers usage.

To support the service technician, this machine calculates the value from retention time of the toner/toner carrier in development unit (if the retention time keep longer, toner surface is shaved more), distance of development, and toner coverage of image.

“1” appears in SP3-930-51 to 55 if the calculated value exceeds the threshold.