In searching the website support section for help on my current problem, I see that InkjetMall is now using/selling a different type of refillable cart for the 38xx printer, and that there is no information at all regarding the older style that I have.
So first some brief background: I initially installed this system in my 3800 in order to run ConeColors a little over 2 years ago in December of 2010. The initial setup was marred by what turned out to be bad control chips, but Dana sent replacements and life was good. I used it for a month or 2, but found the profiles to be not quite right. I did not want to spring for custom profiles at that time. When a job for a client came along requiring more accurate color fidelity than I was getting at that point, I switched back to OEM inks and that is how it remained until a week ago. Having run out of the last of the OEM inks I had on hand, and having just moved my studio to a new location and with no client jobs on the near horizon, I decided it was a good time to try the ConeColors again. I have plenty of ConeColor ink on hand and am not averse to using plenty to get this dialed in. I also now have the ability to make my own profiles.
This 3800 has performed almost flawlessly for the almost 5 years I have had it, rarely needing a cleaning cycle even after long periods of inactivity. (Wish I could say the same for my 7600, but that's another story.)
To cut to the chase, after going through the setup procedure, I find that I am only getting ink to the head in 4 of the 8 channels. MK/PK, C, M, and LM are delivering ink. LK, LLK, LC, and Y are not. I went through the 3 Power Clean cycles as instructed to charge the lines with new ink and flush out the old. No love. I disassembled the machine, checked the head for obstructions, etc., cleaned the lines, dampers, capping station, and wiper with piezoflush, reassembled, recharged, retested ... no change. Exactly the same as before except that now (since the lines have been cleaned) I can actually see that 4 of the lines are empty of ink. Last night drifting into sleep it occurs to me that obviously ink isn't getting through the valves into the lines on those 4 channels. I can think of 2 possible causes: those carts are not pressurizing, or the valves are blocked. This morning I tested those hypotheses. Pressure is there just as in the working channels, but I am unable to pull ink through the valves with a syringe. I can pull ink through the valves of the channels that are working.
So does this mean that the valves on the carts in question have failed? If so, can they be fixed? (When I first switched back to the OEM carts, I drained the remaining ink from these and cleaned them with piezoflush and distilled water.) Will replacing the carts solve this problem? Or is it something deeper and more serious? I don't mind buying a new set of carts if that will solve the problem and get this machine running again.
Sorry for being so long-winded, and thanks for any assistance.