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When in doubt, flush it out

As a Roland Dealer we cannot send service manuals out to end users, sorry about that.

Yes, VG's come with TU included

JFYI if that was our inks or OEM, i wouldn't recommend it, different chemistry could harm your printer, i would recommend going back to your supplier and get the correct inks for your printer.

Right but OEM EcoSol Max 2 doesn't work/register in an older Roland printer that uses EcoSol Max inks. Different chips on the carts, firmware, heads in the printer, chemistry, etc... I just looked on Fellers website and found this... Designed for Roland XR-640™, XF-640™, RF-640 VERSA...

Zigns62 did they send you the ESL4 (EcoSolMax 2) equivalent instead of the ESL3 (EcoSol Max) version for your printer?

When is the last time you had the dampers changed? When you send the carriage over to them maintenance station and clean around the printhead are there more drops of ink on the nozzle plate around that channel than the others?

x2

Take a look at the SG300 from Roland

Humidity in KS was running about 10% during the winter and we had issues as everyone else does with static and overspray due to the ambient environmental conditions. Our demo room is about 2300 square feet with 15' ceilings and we added a Aprilaire 800 series steam humidifier, which cured that...

0400 [0014] Indicates the Nozzle line code or which nozzle the error occurred to, if i'm reading the VG640 service manual correctly [0014] is indicating head 3 but obviously you have issues with more than one head. The metal pieces are frames (for lack of a better word) that go around the...

Have you tried cleaning the encoder to see if that makes a difference?

DX7 face plate is Gold colored/Plated, not sure if that is the only difference but I wouldn't spend $2k-2500 to find out.

Send your files to Roland and have them printed on both and then decide.

SG300 is $3k less MSRP than the VS300i, if you need metallic and white that eliminates the SG from the equation. SG300 cutter has 500g of down force the VS only has 300g 500mL SG/VG inks are more economical and have more volume than 440 mL VS SG uses Versaworks Dual (improved gradients/drop...

I would think a dealer that could sell you a new Roland would/could service your old Roland

When in doubt flush it out Typically 3rd party inks are designed to be compatible (plug and play) with the oem but not other 3rd party inks, when in doubt flush it out

If you have hyper critical customers or corporate colors (i.e. Coke, Nike, etc...) to hit you might need to reprofile but otherwise color change is minimal.

http://www.rolanddg.com/download/euv4/index.html

Roland LEJ640FT is up to 6" Z axis x64"x98"