Technical information
COPYRIGHT
©
2001 CANON INC.
2000 2000 2000 2000
CANON CLC5000 REV.0 JAN. 2001
CHAPTER 5 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
5-104
4 Troubleshooting
4.1 Troubleshooting Malfunctions
4.1.1 E000/E004
• Check the detail code of ‘E000/E004’ using ‘DISPLAY > JAM/ERR’ 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
1) Clear ‘E000’.
*1
Is ‘E000’ indicated immediately after the power
switch is turned ON?
• Be sure to turn OFF the power switch immediately after the check.
NO: Go to step 3.
Fixing thermistor (open circuit)
DC controller PCB
2) Turn OFF the power switch, and disconnect J6020 from the connec-
tor 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 1k
ΩΩ
ΩΩ
Ω or less?
Code a b
0101/0102 J6019A-12 J6019A-13
0101/0202 J6019B-1 J6019B-2
YES: Check the wiring from J2209 to the fixing thermistor; if normal,
replace the fixing thermistor.
NO: Replace the DC controller PCB.
Triac (open circuit)
3) Replace the triac. Is the problem corrected?
YES: End.
AC driver PCB
DC controller PCB
4) Replace the AC driver PCB. Is the problem corrected?
YES: End.
NO: Replace the DC controller PCB.
Note 1: To clear ‘E000’,
1) Start service mode. (asterisk key
*
→ ‘2’, ‘8’ → asterisk key
*
)
2) Press ‘FUNC > FUSER > 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’ and ‘ERROR’.
4) Turn OFF and ON the power switch.