Konica Minolta bizhub 500 Service Manual page 116

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Theory of Operation Ver1.0 Feb.2006

C. Dot diameter adjustment

While in the continuous print, reduce the variance in image density for each print.

Create a dot pattern patch between images of which more than 20 prints have been run off. The laser PWM

at this time is maximum.

Read this dot pattern patch with the IDC sensor (IDCS) and calculate the difference between the sensor

output and the specified value.

Determine the correction amount of the laser power based on a value calculated to make corrections of the

laser power.

Repeat several times the control operations described above.

21. IMAGE STABILIZATION CONTROL

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