E204; E210; E220 - Canon NP6330 Service Manual

CHAPTER 11 TROUBLESHOOTING
14

E204

Step
Cause
1
2
Scanner home
position sensor
(PS1)
DC controller
PCB
15

E210

Step
Cause
1
2
Lens home
position sensor
(PS19)
3
Motor driver 1
PCB
DC controller
PCB
16

E220

Step
Cause
1
2
Lamp regulator
DC controller
PCB
11-82
Checks
Does the scanner move forward
from when the Copy Start key is
pressed to when 'E204' is indicated?
Is the scanner home position
sensor normal? (See the
instructions on how to check
photointerrupers.)
Checks
Turn on the power switch. Does
the lens move?
Is the lens home position sensor
normal? (See the instructions on
how to check photointerrupers.)
Replace the motor driver 1 PCB.
Is the problem corrected?
Checks
Does the scanning lamp turn on?
Replace the lamp regulator. Is the
problem corrected?
COPYRIGHT © 1997 CANON INC.
YES/NO
NO
NO
YES
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NO
NO
YES
NO
YES/NO
NO
YES
NO
CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Action
See "The scanner fails
to move forward/in
reverse."
Check the wiring from
the DC controller PCB to
the sensor; if normal,
replace the sensor.
Replace the DC
controller PCB.
Action
See "The lens fails to
move."
Check the wiring from
J107 on the DC
controller PCB to J203
on the motor driver 1
PCB and from the motor
driver 1 PCB to the
sensor; if normal,
replace the sensor.
End.
Replace the DC
controller PCB.
Action
See "The scanning lamp
fails to turn on."
End.
Replace the DC
controller PCB.