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How to preserve thermal paper hard copies?
A lot of receipts are printed on thermal paper these days. I know it's possible to photocopy or scan the originals on day one, however, there are situations where the original is required years after it was printed. The trouble is that the thermal paper commonly used for receipts goes black after about a year or two.
Is there any way to slow that down or perhaps prevent it?
At present, they're stored in a orange manilla envelopes, which are either in file cabinets or rubbermaid storage bins. No light can get to them. The room is a closet off an air conditioned room, so it's air conditioned in summer and heated in winter (the heat vents and ducts are nowhere near the closet). The longest I've been able to keep them readable is 2 or 3 years. Trouble is they need to stay readable for 3-5 years for warranties, and 6 years for the tax man. The only other option I can think of might be to put them into zip lock bags and toss them in the freezer, but that just sounds nuts.
3 Answers
- JohnLv 41 decade ago
There is a product called "Archival Mist" that I use to preserve old newspaper clippings with. It makes all paper Acid - Free. You just spray it on and it will keep paper from aging. My sister has been using it for her scrap booking projects for years. Works great.
