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Something to share about the membrane inside the head, what I learned yesterday There is a membrane inside the head. There are two chambers inside the head. One for nozzle row 1 one for row 2 The membrane separates both chambers inside the head. If you put too much pressure on the...

we have a roland 540 soljet3. I optimally cleaned all heads, no blocked nozzles. Still if we print something , the edges are somewhat foggy, if I look close (with a magnifier) I see that the reason is series of very small dots close to the printed colour (in my case black) it only appears in...

I am not a tech and I don't know about heaters inside a head. Futher I doubt if there is any signal feedback from the head. However if you have a heater inside, probably there will be also a sensor. Another thing passed my mind, but probably nothing new because it is obvious: Can it be that it...

FYI I somewhere found out that the DX4 head comes in waterbased-ink models like the fastjet 540 and also in models for the eco-sol inks e.g. for our roland 540 soljet pro-3. the only difference is the material of some plastic part, which is more resistant for ecosol inks. So probably the...

Nothing fires but did you see water coming out of the nozzles while cleaning? If not (any more) maybe there were clottings inside the head which began to move and block the nozzles because of the bigger force you put on the cleaning fluid movement. It might help to use a simple ultrasonic...

Some do-it-yourself info to save a lot of money: We have a roland 540 printer with epson dx4 heads and nazdar bulk system, and the results were not okay lately. the test-print shows blocked nozzles and lots of irregular placed stripes (deflection) Our supplier said simply to clean the machine...

I need to design a dot pattern for a certain size edge-lit acrylic, to create backlight for posters. In order to crate an even licht-source, the dot pitch (or size) changes, depending on the distance to the leds. Any one wth experience in this field? we want to print the dots with white ink in...

As a part of our business we print on objects using screenprinting or padprinting. For foils we have also a roland 540. Now we look for a UV printer which can print on thick substrates (up to about 25cm or 10 inch) I know Mimaki has a small one, also I look at the eagle60 (from Italy) Has any...

I also have a reuest form helmet-sticker (small ones) The customer wants to know if the material is not weakening the helmet. Any idea if the generlal sticker-glue can weaken the helmet-plastic??

in case you studied the above here is one extra trick I use : If (older, experienced) sales people from sign supplier companies come to you to sell their stuff, take your time, give them coffee, and ask them all details you want to know. It tickles their ego, and you learn. Tipical Win-Win...

silkscreen the right way , or laser using cermark(for the contrast)

Greetings from the Netherlands, You know, the land of... what shall I say<<

viny might last to 80 deg celcius or so , and polyester maybe till 150 deg celcius. Even without flames (yet ) at the ceiling, the temp gets higher rapidly. Printing aluminum stickers with TCI ink might be good enough (cheaper) or indeed engraving anodised alumminum or glass. We can make both...

What you see on our site is indeed the same principle, but that is photochromic ink (gets colour if the sun shines on it, and the colour dissapears when the sun is away) The topic I am curious about is Piezochromic ink (pressure sensitive). in the meantime i sent an email and asked the supplier...

hey techman, it is not about a ink-dispencing technique, but about the ink itself. The colour changes if you apply pressure to the product on which the ink is printed. I know about thermochromic and photochromic ink for we print it ourselves (see also...

Hi, Has anybody experience wth piezochromic ink? It is totally new for me. I search for applications http://olikrom.com/en/

Best quality: fill with paint after etching. Milling is too expensive for the quantity. Best price: screenprinting

We are using corel 3 as well , in combination wit a GCC laser (installed as a printer) I noticed once that the laser can plot someting not visable on screen. It was present in corel however, but in another layer. Per layer you can select if you want to view, and/or print that layer. Maybe you...

Misunderstanding I guess>> i mentioned pre-treated, not pre-coated. The pre-treatment is called "corona" (check it out) and will alter the surface tension of the bare material. The usage is limited in time (few months) and the treatment cannot be repeated. When the material als covered by...

If the polyprop is pre-treated for printing, be aware that this pre-treatment lasts only a few months or so. We sometimes deal with this when screenprinting such material