Ink Not Supplied; Tank Empty Message Continued - Canon BJ-W7000 Service Manual

9. Ink not supplied
Cause/Error Section
Check Item
Result
Treatment
No ink
Is there ink in the ink bottle?
NO Replace the ink
bottle.
Ink bottle installation
error
Is the ink bottle properly installed?
NO Set the ink bottle
correctly.
Tube cock open
error
Is the tube cock opened prop-
erly?
NO
Release the tube
cock.
Head joint
1s the problem solved by repiac-
ing the head joint?
END
Tube installation
error oe
|s the tube from the head joint to
the ink bottle connected correctly?
Connect the tube
correctly.
Tube
Is the problem solved by replac-
ing the tube?
10. Tank Empty Message Continued
Cause/Error Section Step
Check Item
END
Treatment
No ink 1
Is there ink in the ink bottle?
Replace the ink
bottle.
Ink bottle installation
error
Is the ink bottle properly installed?
Set the ink bottle
correctly.
Connector discon-
nected
Is the ink detection hamess con-
nected to the buffer cap?
Connect the
connectors
properly.
Ink detection har-
ness
Is the solved problem by replac-
ing ink detection harness?
END
Buffer cap
ls the solved problem by replac-
ing buffer cap? —
END
Ink detection PCB
Engine controller
PCB
Image controller
PCB
COPYRIGHT © 1998 CANON INC.
Is the solved problem by replac-
ing ink detection PCB?
END
Is the solved problem by replac-
ing engine controller PCB?
END
Replace the
image controller
PCB.
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