From: John Devereux
Subject: Re: Front Panel Printer: Thermal or Impact?
Date: Sun, 19 Jan 2003 12:40:29 +0000
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NNTP-Posting-Date: 19 Jan 2003 12:40:26 GMT
>"Gary Tait" wrote in message
>> On Sat, 18 Jan 2003 17:35:19 +0000, John Devereux
>> >In one of our designs we have a small impact printer
>> >mechanism. It works OK, but is slow and noisy.
>> >I am considering a thermal printer instead, but am worried
>> >about long term fading (to invisibility). Is this a real
>> >problem? Have they fixed this?
>> Why not Inkjet?
>Cause you have the same problem as impact, high maintenance. I have never
>seen a small OEM inkjet mech either..
No, neither have I.
>Fading of thermal paper is exactly that, fading of the paper. Buy decent
>paper and then the amount of fade is reduced and takes a lot longer to
Really? OK, I can look into that.
> If you are really worried about long term storage, then you should
>be logging data to a more stable form of media, such as harddisk or cd-rom.
I agree, and in fact we do that too. It's a portable
instrument that logs to EEPROM, then periodically is
connected to a computer at "base" when it downloads its data
into a database. I dislike having any printer at all; it
complicates the design significantly. But the customers want