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I've gotten great help so far with this printer but I'm running into more and more problems. I did get the printer to print full color, but very poorly. It was found that the heads were partially plugged and not printing 100%. I bought new print heads, installed them and got nothing to print...

Replaced print heads today and now I'm back to no printing at all. I think I still have issues with my pump because the clean cycle didn't pull any color ink, like it was doing before. However, it did pull black. Shouldn't it be printing black?

Pics attached.

Yes I do realize that, I'm asking for a few pointers now that it's actually putting ink down.

Images attached for reference.

Thanks to Robert at solventinkjet.com I got my new hose in today so I could rebuild my pump. Everything went great on the rebuild and my printer is FINALLY PRINTING! I will need a new clip that holds the pump transmission gear in place some time soon (tape keeping it together now) but at least...

Correct.

Artbot - When the black line is hooked to the black ink it does pull ink. Fluid was going into the waste tank from both sides. I just bought some hose from Robert so I can redo all of the lines. That should be here on Friday so we'll see if that helps. In the mean time. The black print that...

I dropped some solution in the color cap and it drained out of the line right away. The spongy part does look to be swollen compared to the black side, does that matter?

Got color from the black pump line and nothing at all from the color pump line when switched to the black side of the capping station.

Just tried pulling ink from the color side of the capping station. It pulled without any noticeable bubbles and with a fair amount of resistance. I also just switched the lines on the pump to the capping station and I could see the ink pumping to the waste tank right away.

I wouldn't say it's a lot of resistance. I could tell the membrane did suck in when I was pulling but looks like it's relaxed as much as the black (which I didn't have to syringe). Switch the lines at the capping station and run the clean cycle?

After I put the ink cartridges back and doing a clean cycle I was not getting fresh in into the damper (except on the black). I pulled the lines with a syringe (I could also see air in the lines) to get the dampers full.

I couldn't find the video but cleaned up the pump and inspected the hoses and they looked fine. I ended up doing a head soak and clean cycles for the last few days. I could see the lines cleaning up and the waste tank was filling up too. I finally put the ink cartridges back in but I still...

Thank you so far for all of the information given on this site, I've learned a ton already. Some of you answered a few of my questions about pump tubing in another thread. I took the entire maintainance station out to get at the pump but upon further inspection, I'm not sure if the tubing on...

:doh: Anyone have a source not in China?

Called CMYK parts and they don't have that tubing. I found this place http://www.lavaink.com/Printer-Parts/Mutoh-RJ-4100-Parts.html is the pump tubing listed the correct stuff?

How do you fix the pump tube if you see ink on the gears?