Canon CANOSCAN FB330 series Service Manual page 50

CHAPTER 2
2. Calibration sequence
2 - 22
COPYRIGHT © 1999 CANON INC. CANOSCAN FB330/FB630 SERIES REV.0 OCT. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Standby
Corrects black level
Black level was
NO
corrected normally?
YES
Obtains 15 lines of data
Data was
NO
obtained normally?
YES
Composes black
shading data
Sets black shading
data to gate array
Black shading data was
set to gate array normally?
YES
2
Figure 2-11-1
Sets error flag
Sets error flag
NO
Sets error flag