E210 (Fault In Lens X Direction Drive System); E212 (Fault In Lens Y Direction Drive System); E213; E240 - Canon NP6251 Service Manual

CHAPTER 11 TROUBLESHOOTING

20. E210 (fault in lens X direction drive system)

21. E212 (fault in lens Y direction drive system)

Cause Step
1
Lens X home 2
position sensor
(PS6)
Lens Y home
position sensor
(PS7)
X direction belt 3
support plate
DC controller 4
PCB

22. E213

Cause Step
Scanner locking 1
solenoid (SL1)
Scanner locked 2
sensor (PS48)
Original leading 3
edge sensor 2
(PS4)

23. E240

Cause Step
DC controller 1
PCB
11-96
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Checks
Does the lens move in X/Y
direction when the power switch is
turned on?
Is the lens X/Y home position
sensor (PS6/7) normal? (See the
instructions on how to check
photointerrupters.)
Is friction absent between the X
direction drive belt and the belt
support plate?
Replace the DC controller PCB. Is
the problem corrected?
Checks
Try stream reading. Is the scanner
locked at the center of the
copyboard?
Is the scanner locked sensor
normal?
Is the original leading edge sensor
2 normal?
Checks
Turn on and off the power switch.
Is the problem corrected?
CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
YES/NO Action
NO See "The lens fails to
move."
NO Check the wiring from
the DC controller PCB to
PS6; if normal, replace
PS6.
Check the wiring from
the DC controller PCB to
PS7; if normal, replace
PS7.
YES Replace the belt support
plate with one with
spacers.
YES End.
YES/NO Action
NO Check the wiring up to
the scanner locking sole-
noid and the connectors;
if normal, adjust the
position of the solenoid
or replace the solenoid.
NO Replace the scanner
locked sensor.
NO Replace the original
leading edge sensor 2.
YES/NO Action
YES End.
NO Replace the DC
controller PCB.