Two weeks ago my R2400 was printing fine. Last week, I try printing and the resulting image came out poorly. I did a nozzle check and saw the yellow channel was not printing. After several attempts to clear what I presumed was a clogged head, I pulled the cartridge for the yellow channel and noticed it was not pulling ink. Thinking something was clogged in the line, I tried to pull ink to the cartridge using the suction bottle. It worked perfectly, filling the cartridge. But still no ink output.
I took the printer to a local Epson service shop. Today, the tech said she had conducted a flush of the printhead but the yellow channel was still not functioning. After several other attempts to clear the head, she noticed (what I had also noticed on doing a nozzle check) the print head seemed to make a indentation on the paper but no ink came out. She believes the printhead is fine and think it has something to do with my bulk ink CIS.
Does anyone have any suggestions on the possible problem and corrective measures? If I can't get any suggestions, I will probably going to have her replace the waste pads (already reset once and, according to the tech, are about 85% full) and bring the printer home. Next step, in my logical thinking, would be to swap one of the working cartridges into the bad slot and see if the problem is corrected.
Thanks in advance for any suggestions/advice.