My printer will not print colour, its coming out as a greeny blue wash of colour. I have ran the nozzle check and the magenta section is completely missing even though it is showing as full when I check the ink levels. I have already ran the head cleaning about 10 times and its just wasting all my ink. Do you have any suggestions?Ink levels determined by the internal software of the printer are NOT a reliable gauge of existing capacity. They are based on the number of cycles of use of the printer.If you cannot physically observe the level in the cartridge another METHOD is to weight compare it with a known full cartridge and that will give you a more accurate ink volume capacity of the cartridge. When you say"coming out as a greeny blue wash of colour" do you mean it is slurried and lacking definition. If so then it sounds like the print heads are allowing more ink volume through the nozzles than is necessary. If a printer will still permit printing when a cartridge is empty then it is misreading the ink capacity of a particular cartridge (such as the magenta POSSIBLY in this case). Or the head for the magenta is blocked or not functioning. We have a problem with a magenta print head on an Epson printer currently that all attempts at resolution have failed. Be careful of "investing" any money into a repair as usually it is less expensive to simply PURCHASE another. If your printer is still under warranty (including extended) then i suggest you exercise that option. truenorthHmm this sounds familiar and today I found one cure.

Basically i replaced the cyan cartridge and lo there was no cyan coming out of the printer.......eventually I deduced it was a bad cartridge but replacing it did not cure the problem...it seems like the 'bad' one caused some sort of blockage/airlock.

The fix....well at the back there happened to be a convenient hatch to acces the waste ink pipes and basically I pulled them out and sucked quite hard using a syringe on each one (drastic I thought but all else had failed)...I noticed only red/yellow from the color one but it suddenly gave blue as welll..hmmmm. I replaced the pipes and sure enough cyan had returned and all was fine..
I discovered the bad cartridge because I put it back in and the same happened so I went through the same routine.

This was on a 4 month old B40w but I was in a hurry and had no TIME to MESS about with warrantees and epson being awkward.

From what i read it appears there is a separate route for priming rather than through the head jets so no damage that I had feared occured but of course try this at yer own risk.

hope that helps

Mike