Konica Minolta 0902, Service Manual

Page: 28 / 302

Chapter 2 Before the Repair
2-8
2.3.3 Control Unit Performance
Major performance of the control unit is following.
Image data generation function
•
A function to generate image data by laser scan
Image data compensation/
calculation function
•
Moire elimination
•
Gain offset
•
Shading compensation and polygon correction
•
Erase speed calculation
Communication function
•
A function to receive various commands
•
A function to send the read image data to the specified
destination
•
A function to notify the equipment status
Control functions
•
A function to perform sequence of controls, such as mechanical
control, optical unit control, signal processing control,
communication control, etc., triggered by cassette insertion
•
A control to execute various commands received via network
Calibration function
(at maintenance/factory setup)
•
A function for autogain/offset
•
Unevenness calibration function
•
Sensitivity calibration function
•
A function for image position/size adjustment