Self Diagnosis; Vii. Self Diagnosis - Canon FC220 Service Manual

CHAPTER 10 TROUBLESHOOTING

VII. SELF DIAGNOSIS

The copier's microprocessor on the DC controller/DC power supply PCB is
equipped with a self diagnostic mechanism that checks the condition of the machine;
when the mechanism detects an error, it indicates an error code on the copy count
display.
(The PC400/FC200 does not have a copy count display; it indicates an error
condition by flashing the Jam indicator.)
'E6' is represented by alternating
Code
• Thermistor (TH1; faulty)
• Fixing heater (H1; faulty)
• DC controller/DC power supply (faulty)
(Note)
Note:
If an error associated with 'E0' is detected, '
the Jam indicator (PC400/FC200) remains ON for about 0.5 sec.; thereafter, the
power goes out.
10-40
COPYRIGHT © 1998 CANON INC.
Cause
CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Description
• The temperature of the fixing heater is
215°C or more.
• The temperature of the fixing heater
does not reach 80°C within 2.5 sec. after
copying operation has started.
• The temperature of the fixing heater
lowers below 135°C after it has reached
150°C.
• The temperature of the fixing heater
does not reach 150°C within 7.5 sec.
after copying operation has started.
• The maximum supply power is detected
for about 5 sec. after the temperature of
the fixing heater has reached 150°C.
' is displayed (PC420/430/FC220) or