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I'm afraid here is some misunderstanding. 'Latex 90% is plastic' how it comes? Left and right cover, platen and some part in stand is plastic. Top and rear cover are stainless steel, made too perfect so ppl don't realize. Inside the printer aluminum alloy and steel frame, motors well built...

If you use original cartridge all the time, air in the system is extremely rare. I think you should replace your blue cartridge and try to find 'set-up head'. It is for filling up the system used only once. You should need 6 of them. Ask where you usually buy inks and heads. Did you manage to...

You're right, air in the ink supply tube. Ink runs out from the printhead. Fill up the printhead with ink (about 5 ml), you will need special funnel, cap and syringe. Try to print anything with this color about 1 sqm in high quality setting, then refill the printhead again. If it is not work try...

Royal Sovereign is better for you, if possible heat assist version. It costs more, but you will save time and material. This laminators pressure sensitive and very easy to load. AK 500 looks like Beijing Fulei Laminator, it's not bad but difficult to adjust pressure and tend to wrinkle on thin...

Yes we all try to help each other. But should be aware what is talking about. Soljet pro II has DX4 printhead vs VS DX7. Finding problem is far more difficult. I changed these things, cost me almost a 10 grand. What does it mean 'the cyan cable is in the magenta head'? It is only one head costs...

Yes, it was odd. RA640 is identical to VS640 but cutter exempt and only 4 color print. When left Cyan 3rd channel spraying, guys here advised me change flex data cables and carriage board. I did, but it changed to right Cyan 6th Yellow 7th channels. Then I thought I need to change everything...

I had 2 RA640, after 3 printheads replacement, 2 print carriage board, flex data cables 3 long, 4 short it turns out faulty crop sensor board. You would also check the linear encoder board too.

I couldn't find model?

Thanks for your guidance. I guessed that you have older Roland with DX4 printhead. I had Mimaki JV 3-160 4 DX4 printheads and JV4 -160 6 DX4 printheads. This printhead is about 500 USD that time and one of them goes wrong exchange to others like C,M to Y,K less noticeable colors. It saved most...

I do all my own maintenance on my Roland. Why? Because I can, and everybody and their brother make parts for solvent printers and many bits are universal. Signs 101 is also a super resource for repair tips and where to get parts. What Roland model do you have? Where can I get RE640 crop...

Yes sir, I have been using HPz6100 for 9 years. Had 2 DJ5100s and just last year upgraded to HP DJ D5800 the fastest dye printer. It prints about 200-300 sqf/h. For 8 hrs full three 50"x164" rolls can be printed. Within these years I've never had any single technician visit for any of this 4...

Could you at Oki colorpainter W64s and give your opinion pls? I had 3 Mimakis, 2 Rolands. But I'm really tired of all those dampers, wipers, cap top, pumps and rediculiuosly expensive printheads. I've seen Hp Latex in China exhibitions, but they use it only on wallpapers. W64s is not sold in...

That's why I don't use chinese printers. These printers delivered with no printheads installed and it will be done at site. Maybe later models supplied with factory installed printheads. Problem starts here, if printheads are not adjusted properly all further actions useless. It is really for...

i have had mimaki jv5. it has 4 DX5 printheads. It was too complicated to fine tune these printheads. Try to following: make all adjustment on printheads, I guess 4 of them, print in higher number of pass or unidirection, or print by one printhead. Dual printheads good for 6 or 8 colors, if you...

some people confuse within roland models. SP or VP are using different (older) printhead than VS, RE, XF, RF etc. The new printheads speed limit is in VS and RE. No more speed you can get. XF has multicolor dual printheads, so banding issue is inherent, impossible to resolve. Mimaki dual...

str table hockey already gave you the answer. you need to replace printhead. but before you replace the printhead you should have cleaning cartridges and dummy cartridges. in service menu - sub menu - pump up. this the way, you can remove all air bubbles without using a syringe and all other...

1. Where located the headboard? I have new OEM print carriage board, but don't know how to replace. I think, it needs some program called Peck 6. 2. Head cable is Ok, because I have another RA640 with eco sol ink and I changed the cables. Will you recommend a repair company in Beijing. 3. Where...

Yes, it it difficult to point what went wrong. I bought one RA640 (ecosol) almost 3 years ago and after 2 years working without problem I decided to buy another one replacing my HP 5100 60"(it was great machine but too slow and I don't have room for accommodate more of them) . First RA640...

This happens 3rd time within 9 months for Versa art RA-640. It burns when printing, following strong smell of fumes. Dear printer gurus, should I dig it up or throw it away and buy HP? My Z6100 60" over 8 years old, 50K square meters printed, still runs as new.

This is chinese UV printer using Epson desktop printer parts. It is for African or similar market, I don't think you can get sellable quality from this. I had experience recently how hard to find Epson printhead from Chinese market, because all gone for production. If you still want Chinese...