Canon NP6330 Service Manual page 521

CHAPTER 11 TROUBLESHOOTING
Code
•Thermistor (TH1; poor
contact, open circuit)
•Heater (H1, H2; open circuit)
E003
•Thermal switch (TS1; open
circuit)
•SSR (faulty)
•DC controller PCB (faulty)
•SSR (short circuit)
E004 •Heater (H1, H2; open circuit)
•Thermal switch (TS1; open
circuit)
•Cleaning belt (fixing
assembly; taken up)
(In the case that the counter
E005
value of the service mode
No.619 reaches to
"250,000".
•Main motor (M1; faulty)
•Main motor driver PCB
E010
(faulty)
•DC controller PCB (faulty)
•Counter (open circuit)
•DC controller PCB (faulty)
E030
•Option counter (open circuit)
•DC controller PCB (faulty)
E031
•Horizontal registration roller
home position sensor
(PS15; faulty)
E051
•Horizontal registration motor
(M5; faulty)
•Motor driver 1 PCB (faulty)
•DC controller PCB (faulty)
11-180
COPYRIGHT © 1997 CANON INC.
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Cause
•The temperature drops to 100°C or less
CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Description
after reaching a specific temperature.
(Notes 1, 2)
When an error associated with 'E003' is
detected, the copier turns off the power
switch in 2 sec and then turns off all
power supplies.
The SSR has turned while the heater
(H1, H2) is off when the power switch is
turned on.
(Note 2)
The take-up length of the cleaning belt
inside the fixing assembly exceeds a
specific value.
After the main motor drive signal has
been generated, two or more clock
pulses are not input within 1 sec.
A check is made before the counter is
turned on and off.
(When the counter is turned on, normal
if the counter drive signal is '0'; when
the counter is turned off, normal if the
counter drive signal is '1'.)
A check is made before the option
counter is turned on and off.
(When the option counter is turned on,
normal if the option counter drive signal
is '0'; when the option counter is turned
off, normal if the option counter drive
signal is '1'.)
The horizontal registration roller home
position signal (HRHP) is not generated
within 2 sec after the copy start key (2
sided) is turned on.