Canon 1130 Service Manual page 207

CHAPTER 6 IMAGE FORMATION SYSTEM
The measures taken thus may be checked using the following service mode item:
Item
P-TRGT-Y,M,C,K
P-SUM-Y,M,C,K
P-GRND-Y,M,C,K
P-SENS-P
P-SENS-Y,M,C,K
LED
6-46b
COPYRIGHT © 2002 CANON INC.
Description
Target signal after auto gradation correction
Result of integration of control signals at time
of gradation correction
Settings of surface reflection light intensity
during initial rotation of photosensitive drum
Measurement of surface reflection light
intensity during initial rotation of
photosensitive durm
Initial reference signal
Table6-412b
Photosensitive drum
Photodiode for
measurement of reflected light
Figure6-412a
CANON CLC1100/1130/1150/1160/1180 REV.0 FEB. 2002 PRINTED IN JAPAN (IMPRIME AU JAPON)
Adjustment value
Initial value
YMC 64
Bk 41
±32
101 ~ 1022
257 ~ 799
DC driver PCB
P-SENS
P-SENS
P-TRGT
initial value
ON/OFF P-TRGT
target value
RAM