Canon PC400 Service Manual - Page 184
VII. SELF DIAGNOSIS, If an error associated with 'E0' is detected
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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 (Note) Cause • Thermistor (TH1; faulty) • Fixing heater (H1; faulty) • DC controller/DC power supply (faulty) 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. Note: If an error associated with 'E0' is detected, ' ' is displayed (PC420/430/FC220) or the Jam indicator (PC400/FC200) remains ON for about 0.5 sec.; thereafter, the power goes out. 10-40 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)