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I just changed the ink lines that run from the cartridges to the dampers, I changed the dampers also. I am waiting on the printhead cables and the new print heads. Hopefully all my problems go away after changing all this stuff... Can anyone tell me how to in circuit test the Transistors on the...

I am pretty sure I need new heads anyway.. So I am just going to buy 2 new heads.

I think a lot of these companies list stuff as OEM that is not..... But these manifolds suck, You have to tighten them down until that part touches or it leaks.

Manifolds... Here is a picture of the two next to each other. If you notice in the center on the New one, it is shorter then the original...

I will try. I am going to take a picture of the original one next to the new one a little latter today and post it on here. That way it is easier to see what I am talking about.

I agree, I couldn't believe that they were not exactly the same as the ones I took off. But I do not know where to buy different ones to try, all the ones I see people selling are all coming from China

I did have a leak when I was pulling ink threw the heads with a syringe, But it was the Manifold, I replaced that and I do not here any leaks now- but I still get cross contamination. I am going to replace the lines, I read somewhere that if one of the line has a partial block it will cross...

I bought my Cap Tops from the local Roland dealer, I wounder if they gave me Chinese ones instead. Dam things were $50 each, I hope I got real ones...

I actually did crack the manifolds from taking the Dampers on and off so many times. But I replaced them both already. One thing to note on the OEM replacement manifolds ( If in fact they were really OEM ) They were not exactly the same... Where the manifold meets the head under the screws. The...

My guess is the Heads are toast. Not sure if it was the cleaning, the cables or whatever. I have new cables coming, I will buy new heads, I just don't want to ruin new heads... My F2 / F3 fuses are good now, but I really can't figure out how to in circuit test the PNP and NPN Transistors. I know...

I just used regular solvent ink cleaner.. Here is the link that I bought it from on eBay- http://www.ebay.com/itm/1-L-Eco-Solvent-Cleaner-Cleaning-Solution-for-Roland-Mimaki-Mutoh-Epson-Printer-/171972132214?hash=item280a567d76:g:m-4AAOSw9mFWI1x3

Thank You. I probably should have mentioned in my first post. Ink is flowing fine threw the heads. When I do a cleaning, ink goes threw them fine (I had just replaced Cap Tops and Ink Pump Lines) It defiantly is some sort of electrical problem. I was leaning towards the transistors, but both of...

I also posted this on the Roland Forums, but it seems there is more activity here so I also posted it here. So I have a SP300v I was having some issues, Turns out the Printhead manifolds were crack, probably from me changing the dampers a few times from routine maintenance. So I changes the...

I highly doubt that he would want a random person calling him and asking him how to fix their printer....

I found that also, I tried it and it did not work. It did not disconnected the tool carriage....

Thanks so much for the response! I have a Roland SP300v newest firmware. I am not sure how o do a cutting carriage assembly alignment...

Does anyone know how to fix a service call 103? I am getting this service call now... What a pain in the butt!! Any help is very much appreciated! Kyle

Sounds good! BTW, have you ever heard of "Service Mode Is Protected" when trying to get into service mode on a SP300v?

Thanks Got it! I didn't even know there was such a thing as a premium membership. I have the premium membership now, I don't know what it is, but I got it :-)

Well replaced the Thermisor, still getting the same service call 0121 :-(