Canon GP160DF Service Manual page 80

CHAPTER 4 IMAGE PROCESSING SYSTEM
Mirror 2
Mirror 3
CCD output
Target value
Measured data
Related service mode
Shading automatic adjustment:
Control panel RMSW ON, Service mode> TEST MODE>2:CCD (Numeric key 2 >
Numeric key 8 >
4-6
White reference plate
Mirror 1
CCD
Figure 4-302
After correction
White reference plate
Figure 4-303
COPYRIGHT © 1999 CANON INC.
Copy board glass
Scanning lamp
Lens
Before correction
CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Mirror 4
Document density