Digital QUANTUM (QUARC) System
Scanner
CCD electrical adjustment
Printer
Laser power
Grid Voltage
Digital
QUANTUM
(QUARC)
White
Control
Black
CCD gain adjustment
White shading
Image density
Sensor mark sheet
Black level
Sensor mark sheet
CCD
LSU
Copy density
sensor
High density
Middle density
Density data from printer
CCD gain adjustment
Black shading
Electronic Pattern
1-27