Canon CLC5000 Technical Information Seite 518

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COPYRIGHT
©
2001 CANON INC.
2000 2000 2000 2000
CANON CLC5000 REV.0 JAN. 2001
CHAPTER 5 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
5-161
4.1.57 The drum heater fails to rotate.
Drum heater (H3, H4, H5, H6)
1) Set the meter to the ×100
range, and connect the probes of the
meter to the terminals of the heater. Does the index of the meter
swing?
NO: Replace the drum heater.
Thermistor (TH8,9,10,11)
2) Set the meter to the ×1000
range, and connect the probes of the
meter to the following terminals. Does the index of the meter
swing?
TH8 (for C): J2216A-4 and 5
TH9 (for M): J2216A-9 and 10
TH10 (for Y): J2216B-1 and 2
TH11 (for Bk): J2216B-6 and 7
NO: Replace the thermistor.
Connector, Wiring
3) Are the connection and wiring normal?
Drum heater
AC driver : J6305, J2805
AC driver
Drum heater : J2806, J6412
NO: Re-connect them.
Drum heater brush
4) Disconnect the power outlet, and remove the drum heater brush
cover. Is the contact of the drum heater brush normal?
NO: • Re-install the brush.
• Replace the brush.
DC controller PCB
5) Install the drum heater brush cover, and connect the power plug.
Set the meter to the 12VDC range, and measure the voltage on the
DC controller PCB. Is it about 5 V?
Drum heater (Bk) J2241-5 (+5V), J2241-2 (GNDAN)
Drum heater (Y) J2241-6 (+5V), J2241-2 (GNDAN)
Drum heater (M) J2241-7 (+5V), J2241-2 (GNDAN)
Drum heater (C) J2241-8 (+5V), J2241-2 (GNDAN)
YES: Replace the drum heater.
NO: Replace the DC controller PCB.
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