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weve had similar issues from too much heat. What is your heater set at? Also slowing down the carraige speed in your rip might help reduce the length of the overspray.
It looks like your print is running diagonaly. Ive had that problem on a roland before. Replacing the encoder strip didnt work but replacing the encoder itself did work. The blurriness is because your printer isnt aligning its passes (similar to your bidirectional being off) because of the...
To me it kind of looks like the heads are drying out. Try pausing midprint and run a cleaning cycle. Resume print and see if problem goes away for a few passes. If it seems to clean up briefly from the clean then I would say you need to lower the heat or run it faster with same heat.
I was not trying to argue against you. I just didnt like how you shunned my resolution without giving one of your own. I am well aware that you weren't referring to my printer but infact to the one in question.
The printer I operate is a vutek 3360 and inconsistent material movent is an issue ive worked hard to correct. I really dont have problems with it anymore. It is very inconsistent and only shows up on certain colors. Im 100% sure that in my case its overstepping. Of course heat, tension, and...
Our 3360 does this on some colors occassionaly. Its a stepping problem. Not sure what to do in your case since youve already reduced the heat and put slack in the material. Do you have all of those feet on the machine? When my printer (not a sp540v) gives me problems like this I usually find it...
I agree with studebaker that its a partially clogged nozzle. First I would try running at a lower temp 35 to 40 c. Also a lower interlace mode may do better as well (4 pass). Make sure your head height is low too. I'm not saying there isnt anything wrong with the black heads, just saying there...
Absolutely no magenta or yellow on test print? Yellow and magenta on the same head? Clean the wipers for the yellow and magenta and then run a cleaning cycle. If yellow and magenta ink appears on the wipers after cleaning cycle then you have ink flow. Next I would disconnect all power and remove...
So that pump creates all the air pressure? We have air compressors feeding around 95 psi to two of our vutek printers. In the 5th picture are those the solenoids floating directly above the subtanks? One connection is open. Also it appears that there is an open line attached to the subtanks...
here is some more info of our machine setup. I have 7 lines coming into the carriage. 4 ink, 1 solvent, and 2 air. The path of the air lines are as follows
#1 goes first to the venturi (where negative pressure is created)
then to the overflow subtank(where the ink goes...
alright did some research. When the solenoid closes(usually open), the positive air pressure is applied to the subtank pushing ink through the system. Locate the air line going in to the subtank. disconnect it with the machine on. When you press ink purge the solenoid should close and you should...
ok one time i took apart the solvent lines in front of the solvent solenoids to clean them. They had these small black plastic tube fittings that I had removed and put back on. I put them on backwards as I later found out they were one way flow fittings. This created a situation where I press...
ok so are you saying that the pumps are turning on but ink isnt making it to the secondary reservoir? The solenoid fires but without ink in the reservoir nothing will come out? It looks like the tanks are empty. Is this correct?
Im not sure about your "china" printer but our vutek printers have solenoids that fire for ink and solvent purges. One set for ink and one for solvents. When I press ink purge you can hear the solenoids click and ink begins flowing from the heads. If you're saying that your ink purge command...
It might take a little longer to dry but it should not affect adhesion. You might have to expirement with the heat a little bit to find a good setting. We use 3 different solvent printers and run the heat around 100 f on each of them. Just try it around 35 to 40 and see if it helps.
Just a thought but what are the heaters set at? We had this problem on a sp540v, reduced the heaters to 37/40 and overspray went away. If the lower res prints faster and has less overspray it could be that your heat is set to high.
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