Purge Unit) - Canon BJ-W3000 Service Manual

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5. 007xx (Purge unit)
a. E00701
Problem/Unit
Pump home position
sensor (PS1)
Purge motor (M3)
Engine controller
b. E00711/W00721
Problem/Unit
Full waste ink
absorber unit
Service mode
Engine controller
Step
Check item
1
Does the purge motor (M3) rotate
when the power switch is turned
ON?
Turn OFF the power switch and
unplug the power cord.
Remove connector J202 on the
engine controller.
Set the tester range to x10 and
connect the leads of the tester to the
harness terminals on the motor side
as shown in the table below. Are
the resistance values correct?
+
-
J202-1
J202-2
J202-3
J202-4
J202-1
J202-5
J202-2
J202-5
J202-3
J202-6
J202-4
J202-6
Step
Check item
1
Is the waste ink absorber unit full?
(Visual check)
2
Was the waste ink counter cleared
(Service mode "CLEAR") after
replacing the waste ink absorber
unit?
CHAPTER 5. TROUBLESHOOTING
Result
NO
YES
Resistance value
Approx. 44Ω
Approx. 44Ω
Approx. 22Ω
Approx. 22Ω
Approx. 22Ω
Approx. 22Ω
Result
YES
NO
YES
Remedy
Check the wiring from the sensor to
the engine controller and the wiring
from the purge motor to the engine
controller. If correct, replace the
purge unit.
Replace the engine controller.
Remedy
Replace the waste ink absorber
unit.
Clear the waste ink absorber unit
counter in the service mode
"CLEAR".
Replace the engine controller.
5–35

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