Canon GP335 Service Manual page 58

CHAPTER 2 BASIC OPERATION PROVIDES
• Inputs to the DC Controller PBC (3/4)
Upper cassette
size detection
(cassette 1)
Lower cassette
size detection
(cassette 2)
Multifeeder paper
width detection
Scanning lamp
intensity sensor
Drum ambient
temperature sensor
Toner level sensor
Environment sensor
2-14
J430 J402B
J431
J441B
J419
J432
J427
J425
TH
J411
J417
J433
TS1
Figure 2-110
COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
DC controller PCB
J115B
-8
CSZ14
-7
CSZ13
-6
See I.E."Detecting Paper Size"
CSZ12
-5
in Chapter 7.
CSZ11
-4
CSZ10
-3
J115B
-14
CSZ24
-13
CSZ23
-12
CSZ22 See I.E."Detecting Paper Size"
-11
CSZ21 in Chapter 7.
-10
CSZ20
-9
J112
+5V
B3
B2 MTPW
(analog signal)
B1
15V -12V
J112
-A6
-A3
See III "Tunning On/Off the Scaning
-A5
FLS
Lamp" in Chapter 3.
-A4
J404 J104
-B1
DTEMP
Detects the temperature around the drum.
-B2
(analog signal)
5V
J108
-B4
-B5
When the tone inside the developing
TS1S
-B6
assembly is below a specific level, '0'.
J112
-A13
-A14
-A15
-A16
-A17
Detects the width of copy paper
placed on the multifeeder.