Canon GP335 Service Manual page 479

To door switch
ET1
100 VAC (approx.)
1 2 3 4
J201
Composite power
supply PCB
J203
1 2
COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
6-7 and
7-8 shorted: NG
ET2
Fixing assembly
MT1
FA20
FA21
MT2
J204
1 2
Main
thermistor
Sub
thermistor
Figure 14-401 E000, E001, E002, E003, E004
CHAPTER 14 TROUBLESHOOTING
Image processor
PCB
On at about
0.3 to 1.2 VDC
J405
SSR1
8
7 6
J497 2 1 3 J498
J497 2 1 3 J498
J496 1 2 3
J496 1 2 3
THSW1
MT3
H2
FT22
Sub heater
Main heater
H1
Harness (white)
TH1
TH2
Harness (black)
Check for continuity.
20 1
19 2
J714
-B
Check for
disconnection
and bending (pin).
0V
H2_ERR
H2_D
H1_D
H1_ERR
0V
RELAY_D
J447
J447
RL1
F18 F19
1 2
1 2
Check for disconnection.
SW
FT23
1000 k
(approx.)
J426
TH1_S
0V
TH2_X
TH2_Y
50 k
(approx.)
VSS
24VU
VSS
24VU
AC
DC
J113-B
15
14
J114-B
13
12
11
11
J104-B
12
DC controller
PCB
10
J114-A
9
8
7
4
3
J111
2
1
14-61