E001 - Canon NP6330 Service Manual

CHAPTER 11 TROUBLESHOOTING
2

E001

Step
Cause
1
2
Thermistor
(TH1; short
circuit)
DC controller
PCB
11-74
Checks
Reset 'E001' using No.401 in
service mode [4].
Open the front door and the
delivery assembly to cool the
fixing roller. Is 'E001' indicated
immediately after the power switch
is turned on once again?
Turn off the power switch, and
disconnect J109 from the DC
controlled PCB. Set the meter to
the x1K range, and connect its
probes to J109-9 and J109-10 on
the harness side. Is it about 0 ?
(Be sure to connect J109 after the
check.)
COPYRIGHT © 1997 CANON INC.
YES/NO
NO
YES
NO
CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Action
See "E004."
Check the wiring from
J109 on the DC con-
troller PCB through the
relay connector (J34) to
the thermistor; if normal,
replace the thermistor.
Replace the DC
controller PCB.