I've been well pleased with the above for 18 months but just recently my head alignment seems to have gone awry I've tried manual re-alignment and since that did not return me to the previously good quality, tried auto alignment.Photos are still banded with fairly obvious horizontal stripes about 2mm apart.Also the colours (hues) nolonger bear much similarity to the image on screen, anybody suffered similar/ or knows how to put it right?? One more thing, when doing a manual alignment, all the magenta swatches have jagged white vertical patches in them, so choice of which is best is pretty imaterial.
I've been to scared to remove the print engine as the manual warns you not to touch the lever that locks it in place and also warns you not to touch any of the "business bits". I don't know how it would react if I removed it and ran water over it, sounds a bit drastic though I follow your logic. What do you do with the isopropanol? immerse the print engine in a bath of it or what?