Canon CLC 1120 Service Manual page 194

CHAPTER 6 IMAGE FORMATION SYSTEM
Initial settings
3.5 End/ Ends the operation if the
reading measurement of SGNL-
once again K is as indicated;
otherwise, goes to 3.4
"Reading SGNL-M/C/Y/
K, REF-M/C/Y/K."
6-42
COPYRIGHT © 1999 CANON INC.
Flow of operation
Photosensitive drum
Photosensor (PS1)
Figure 6-409
Detail code
XX14
XX16
0424
0434
XX25
XX32
0432
XX34
Black toner
concentration sensor
Photosensor (PS2)
CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Items of detection
The level of variation in one
sample of SGNL-xx is 51 or
higher.
The level of variation in 16 sample
of SGNL-xx is 102 or
higher.
The initial value is 305 or lower.
The initial value is 371 or higher.
The initial value of SGNL-M/C/Y
that has been read is 683 or
lower.
The initial value of SGNL-M/C/Y
that has been read is 930 or
higher.
The initial value of SGNL-K that
has been read is 550 or higher.
The initial value of SGNL-M/C/Y
that has been read is 749 or
higher.