Troubleshooting; Troubleshooting Malfunctions; E000/E004 - Canon 1000 Service Manual

7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
IV. TROUBLESHOOTING
A. Troubleshooting Malfunctions
1

E000/E004

• Check the detail code of 'E000/E004' using 'JAM/ERR' under 'DISPLAY' in service mode.
a. E000=XX01, XX02 (high-order 2 digits representing type as XX=01 indicating upper heater and
02, lower heater) and E004=0001
Cause Step
Fixing thermistor
(open circuit)
DC controller
PCB
Triac (open
circuit)
AC driver PCB
DC controller
PCB
Note 1:
To clear 'E000',
1) Start service mode. (
2) Press 'FUNC', 'FUSER', and 'E000-RLS' in order.
3) Check to make sure that the indication for 'P' at the top of the Service Mode screen changes from
'ERROR → SERVICE → ERROR'.
4) Turn OFF and ON the power switch.
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COPYRIGHT © 2001 CANON INC.
Checks
1 Clear 'E000'. (Note 1) Is 'E000'
indicated immediately after the power
switch is turned ON?
• Be sure to turn OFF the power
switch immediately after the
check.
2 Turn OFF the power switch, and
disconnect J6020 from the connector
J2209 on the DC controller PCB. As
indicated by the detail code, measure
the resistance between a and b in
the following table. Is it 1kΩ or less?
Code
0101/0202 J6020A-9
0101/0202 J6020A-11
3 Replace the triac. Is the problem
corrected?
4 Replace the AC driver PCB. Is the
problem corrected?
→ →
Yes/No
a b
J6020A-10
J6020A-12
)
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Action
NO Go to step 3.
YES Check the wiring from
J2209 to the fixing ther-
mistor; if normal, replace
the fixing thermistor.
NO Replace the DC controller
PCB.
YES End.
YES End.
NO Replace the DC controller
PCB.