CHAPTER 11 TROUBLESHOOTING
COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
11-71
15 DC power fails to turn on.
YES/NO
NO
YES
YES
NO
Cause
AC power
supply
Wiring, DC
load
Fuse
Composite
power
supply PCB
Step
1
2
3
Checks
Is AC power present between J201-
and -2 on the composite power supply
PCB?
Turn off the power switch, and discon-
nect J202 and J205 from the composite
power supply PCB.
Set the meter range to 30 VDC, and
turn on the power switch. Is the
voltage between the following termi-
nals normal?
Table 11-401
Is the fuse (FU102) on the composite
power supply PCB blown?
120V model:
125 V, 5 V
220/240V model: 250 V, 2.5 A
Action
See "AC power fails to
turn on."
See "E000", "E001",
"E002", or "E003".
Remove the cause of
the problem, and
replace the fuse.
Replace the composite
power supply PCB.
Remarks
To DC
controller
PCB
To main
motor
driver
PCB
Connector
J202
J205
Pin
1
2
3
4
5
6
1
2
3
4
Output
GND
24V
5V
5V
GND
24V
-
-
GND
24V
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