Canon iR8500 Service Manual page 778

E002
Main cause The main thermistor (TH1) has poor contact or an open circuit. The thermal
(TP1) has an open circuit. The fixing heater has an open circuit. The SSR is
faulty. The DC controller is faulty.
Condition
0000 After the reading of the thermistor (TH1) exceeds 70°C, it does not
0001 After the reading of the main thermistor exceeds 100°C, it does not
Caution You must clear the error in service mode: COPIER>FUNCTION>CLEAR>
ERR.
E003
Main cause The main thermistor (TH1) has poor contact or an open circuit. The thermal
switch (TP1) has an open circuit. The SSR is faulty. The DC controller PCB
is faulty.
Condition
0000 The reading of the main thermistor is 70°C or lower for 2 secs or
Caution You must clear the error in service mode: COPIER>FUNCTION>CLEAR>
ERR.
E004
Main cause The SSR has a short circuit. The DC controller PCB is faulty.
Condition
0000 A short circuit occurs in the SSR used to drive the fixing heater
Caution You must clear the error in service mode: COPIER>FUNCTION>CLEAR>
ERR.
COPYRIGHT© 2001 CANON INC.
reach 100°C within 2 mins 30 secs.
reach 150°C within 2 mins 30 secs.
more after it reaches 100°C.
(hard circuit detection).
2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
ERROR CODE
E-3