Canon GP200 Service Manual page 66

3. OPERATIONS AND TIMING
• Inputs to the DC Controller PCB (3/3)
Scanning lamp
intensity sensor
Drum ambient
temperature sensor
Toner sensor
Fixing main
temperature
detection
Fixing sub
temperature
detection
Upper cassette
delivery detection
Q1604
Lower cassette
delivery detection
Upper cassette paper
Q1605 level detection 0
Lower cassette paper
level detection 0
Upper cassette paper
level detection 1
Q1608
Lower cassette paper
level detection 1
Q1609
3–12
COPYRIGHT © 1996 CANON INC.
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J26
TH
Pick-up unit PCB
Q1606
Q1607
Figure 3-110
CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
DC controller PCB
15V -12V
J112
J27
-1
-4
-2
FLS See p. 3-24
-3
J105
-B10
RTEMP
Detects the temperature
(analog
-B11
around the drum.
signal)
5V
J117
-8
When the toner inside
-7
TEP
the developing assembly is
-6
below a specific level, '0'.
J108
-1
TH1
-2
See p. 3-118
J108
-3
TH2
-4
J114
5V
-5V
-A10
When Q1604 has detected
UCSPD
paper, '1'.
J114
-A11
When Q1605 has detected
LCSPD
paper, '1'.
J122
-1
When Q1606 has detected
1RPD0
the lifter, '1'.
J122
-3
When Q1608 has detected
2RPD0
the lifter, '1'.
J122
-2
When Q1607 has detected
1RPD1
the lifter, '1'.
J122
-4
2RPD1 When Q1609 has detected
the lifter, '1'.