COPYRIGHT© 2001 CANON INC.
2000 2000 2000 2000
CANON iR105 REV.0 JULY 2001
CHAPTER 2 NEW FUNCTIONS
2-113
7.7 Detecting an Error
The following errors are detected in relation to fixing temperature control:
1. temperature control error by main thermistor (TH1)
2. sensor error by sub thermistor (TH2)
3. overheating error by thermal switch (TP1)
F02-707-01
DC Controller PCB
17
17
16
J508B
1
·
·
·
7
8
10
20
S-TEMP
0V
0V
M-TEMP
Voltage suited to
reading of main thermistor
When ‘1’, main heater ON
Fixing upper roller
Main
heater
Sub thermistor
Main thermistor
Thermal switch
9
·
·
·
J505A
1
12
11
0V
SHDTC
ZEROCROSS
200 V detection
MHDTC
SH-ON
0V
MH-ON
15
J512A
1
1
11
10
24 V
Relay OFF
Voltage suited to
reading of sub thermistor
AC line cut at 228ºC
RLY
Relay
Front cover
AC
driver
‘0’ when sub heater is powered
Relay PCB
When ‘0’, AC relay cut
13
14
Sub heater
10
·
·
·
·
·
·
·
·
·
Summary of Contents for iR105 Series
Page 547: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR105 REV 0 JULY 2001 APPENDIX ...
Page 561: ...Service Mode COPYRIGHT 2001 CANON INC 2000 CANON iR105 REV 0 JULY 2001 ...
Page 691: ...Error Code COPYRIGHT 2001 CANON INC 2000 CANON iR105 REV 0 JULY 2001 ...
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Page 1012: ...C 10 COPYRIGHT C 2001 CANON INC STANDARD FASTENERS REV 0 FEB 1992 ...
Page 1029: ...PRINTED IN U S A IMPRIME AU U S A This publication is printed on 100 recycled paper ...