PC CLI42 PM showing banding/clogging again, what am I doing wrong?

martin0reg

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Ink flow in sponge carts could be a difficult issue...
-lower sponge has to be saturated, without air voids (which may be hard to recognize if they are inside) and without foam building. If you try a magenta mouth and blow into the air vent, there should come out ink, not foam.
- upper sponge should not be saturated, at least not like the lower, because it is only for "breathing": air must be able to flow from the air vent through the upper sponge down to little ridges...through which the air finally reach the gap to the ink compartement.
(there are threads with dissected canon carts telling more...
- the outlet of the cart has to sit tightly on the rubber gasket of the head's inlet.
 
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