Digital BW, The Print

Thanks - all these noobie type questions I'm asking 

it's currently just one cartridge, but it's good to know "best practices" going in.

This would give me a great reason for getinng the vacum sealer - "but honey I have to save money on ink !" - although if the cart was not fully sealed - wouldn't it pull ink out the exit port when you vacum seal ?

I hadn't thought about bacteria, is that with all inks, dye or pigment,  or only certain ones - I'm using the MIS EZ inks - are the materials in here more (or less, or equally) prone to bacterial buildup ?
  ----- Original Message ----- 
  From: hmseattle2004 
  To: DigitalBlackandWhiteThePrint@yahoogroups.com 
  Sent: Monday, December 27, 2004 5:25 PM
  Subject: Re: [Digital BW] longevity of a cartirdge hat's been partiall used



  This is a good question, that I wish I had asked when I first 
  archived some partially used ink cartridges.

  Basically there are two issues you need to deal with

  1) Evaporation (which is obvious) and,
  2) Bacteria growth (which, at least for me, wasnt initially obvious)

  You can slow evaporation by sealing a cartridge in a well evacuated 
  plastic bag, but, this will not prevent bateria from  growing within 
  the ink itself. If bacteria forms, you'll be able to tell because 
  the ink will become *stringy* (which is actually the bacteria!). You 
  can slow the growth in several ways: placing it in a well evacuated 
  plastic bag, seal all the ports on the cartridges and put in a cool 
  place (think of it as a piece of meat - but DONT freeze it!). This 
  could keep a cartridge for up to a year (I've done it with ok 
  success), but its not guaranteed, and different inks are prone to 
  bacteria growth at different rates.  You can also try to *seal* the 
  cartridge in a food storage vacuum sealer (for instance something 
  like http://www.cooking.com/products/shprodde.asp?SKU=302042) , 
  which, in theory, will slow evaporation and bacteria better than 
  just a platic bag. Of course, if its just a cartridge or two, it 
  just easier and cheaper to not risk gumming up your print head and 
  buy fresh cartridges... or print more often :->

  Hope this helps.

  Howard



  --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Aaron Good" 
  <agood214@c...> wrote:
  > Anyone have any tips on how t best store a partially used cart ?
  > 
  > Thanks
  > 
  > [Non-text portions of this message have been removed]





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