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Originally Posted by UTR My point is that just because a print head hasn't completely failed doesn't mean it shouldn't be replaced. At least this was my experience. |
That's not the way heads work. Your problem was blocked passages in the tank/head carriage, between the tanks and the head. This could have been solved with a cleaning kit, using tanks filled with solvent, or simply by soaking the head. It's also cause by faulty tanks, unvented tanks, or tanks that have been refilled too many times.
In any case, a faulty head certainly will not cause color shifts, only banding or absent colors. So, if the nozzle check test is good, so's the head.