Which type of printer keeps the print well fixed even if youtouch it with water.
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From: Peter on 9 Feb 2010 03:55 On 09/02/2010 08:31, Jean wrote: > Currently I have a HP6100 printer but the ink is not "fixed", if I touch the > paper with wet hands or water/coffee is falling on it it becomes unreadable. > Can you recomment, except an expensive laser) which type of printer does not > have such problems ? > Thanks in advance, > Jean > > I haven't tried it but it has been reported that a coating of hair lacquer or similar seals the print against slight wetness. Otherwise you are looking at Laser (not really that expensive nowadays) or dye transfer, but that is generally small photo printers
From: Arthur Entlich on 9 Feb 2010 12:23 There are two basic ways of having a relatively "fixed" image from an inkjet printer, one is based upon the ink technology and the other on the paper. If your printer is using dye colorant inks, as your HP does, then you need a paper which uses microporous technology. This paper has a semi-permeable membrane on the surface that allows the ink to penetrate it, but the ink is then trapped in a kaolin clay surface underneath that locks the colorants in. The paper then basically becomes "waterproof" Epson makes such papers (in both matte and glossy finish), as do many other manufacturers. Most of HP's inkjet papers, which do have a higher fade resistance when dye colorants are used, is called swellable polymer, and this paper's surface is water soluble. It works by having the ink wet the paper, and then the ink is reintegrated into the surface polymer, which tangles the ink color into the long chain polymer molecules to keep them from being re-energized by environmental conditions like UV light and certain reducing agents like ozone. The problem with this system is that the paper coating remains water soluble. The second approach is to use a printer which works with pigment colorant inks. These inks use non-soluble particles suspended in a fluid, which usually contains a resin to both adhere them to the paper surface and to coat them to make the surface smoother and more evenly glossy. The main supplier of pigment color ink printers today is Epson, although Canon makes a few, as well. Any of Epson's printers which use Durabrite, Durabrite Ultra, Ultrachrome or Ultrachrome Glossy inks use these waterproof pigment colorant. The least expensive of these printers are the 4 color Durabrite or Durabrite Ultra ink printers (they only make them in 4 color versions) which include the C, single function, or CX and DX models All-in-One models. Both the Ultrachrome and Durabrite inkset are waterproof when dry (the Durabrite sets dry faster, but also clog faster with lack of use), and both have very long fade resistance, extending to several hundred years under glass. Art PS: If you are expecting there to be no damage at all to a print when you spill coffee on it, I'm afraid the only answer for that is to laminate it in plastic on both sides... then you can literally wash it off. If you are interested in issues surrounding e-waste, I invite you to enter the discussion at my blog: http://e-trashtalk.spaces.live.com/ Jean wrote: > Currently I have a HP6100 printer but the ink is not "fixed", if I touch the > paper with wet hands or water/coffee is falling on it it becomes unreadable. > Can you recomment, except an expensive laser) which type of printer does not > have such problems ? > Thanks in advance, > Jean > >
From: Arthur Entlich on 9 Feb 2010 12:25
I should mention that HP does now make some pigment colorant inks (besides black) for some printers as well, but they are higher end models. The Epson C, CX and DX models start at about $60 US. Art If you are interested in issues surrounding e-waste, I invite you to enter the discussion at my blog: http://e-trashtalk.spaces.live.com/ Jean wrote: > Currently I have a HP6100 printer but the ink is not "fixed", if I touch the > paper with wet hands or water/coffee is falling on it it becomes unreadable. > Can you recomment, except an expensive laser) which type of printer does not > have such problems ? > Thanks in advance, > Jean > > |