Canon BJ-W9000, Service Manual

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7.3.7 E1702
: Ink leakage in the waste ink tank unit.
<Cause>
The waste ink leakage detection sensor detected ink leakage.
<Probable faulty component>
Waste ink tank unit, mech. controller, system controller.
<Action>
1. Visual inspection:
Visually check where the leakage has occurred and fix that part.
Replace the waste ink tank unit if the leakage occurred at the bottom of the waste
ink tank unit.
2. Cable check:
Replace the cable if the cable check between the mech. controller and the waste
ink leakage detection sensor fails.
3. Replace the mech. controller.
4. Replace the system controller.
5. Replace the waste ink bottle unit.
7.3.8 E1801
: Ink drain error
<Cause>
Sub-tank ink sensor detected the presence of ink of any color when "auto ink drain"
was completed.
<Probable faulty component>
BJ print head, purge unit, sub-tank unit, home position sensor, linear scale,
carriage unit, motor controller, mech. controller, head controller, system controller.
<Action>
1. Visual inspection:
Reset BJ print head when the installation is incorrect.
2. Replace the purge unit.
3. Replace the sub-tank unit.
4. Re-install or replace the carriage home position sensor if the installation is
incorrect.
5. Replace stained linear scale.
6. Replace the carriage unit.
7. Replace the motor controller.
8. Replace the mech. controller.
9. Replace the head controller.
10. Replace the system controller.
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BJ-W9000 Part 5: Maintenance