[Coco] TRP-100 Thermal Printer

[wdg3rd at comcast.net]

Apparently, Computer Friends <www.cfriends.com> in Oregon still sells the MacInker.  Whether they still have an adapter that works with the DMP-100 ribbon may require a phone call.
--
Ward Griffiths    wdg3rd at comcast.net

I thought about being diplomatic and polite.  Honest, I really did.  But while I was thinking about it, I accidentally bumped the button that puts my mouth on autopilot, because it said, "That's a load of crap, Captain, and you know it".    Jim Butcher, _Small Favor_

 -------------- Original message ----------------------
From: John Eric <jet.pack at ymail.com>
> I think you may be confusing the TP10 with the TRP-100. The TP10 was meant to 
> accompany the MC10 and the combo, I believe was the TRS answer to the Sinclair 
> ZX81 (TS-1000) and the ZX-Printer (TS-2040). It used approx 4" wide paper. It 
> also worked with the regular CoCo. It had a design flaw in that the graphics 
> characters were the inverse of what would be displayed on the CoCo and MC-10. 
> The TRP-100 is a full 8x10-ish printer that could print on thermal paper or use 
> a thermal ribbon to print on plain paper (although, sometimes the print wouldn't 
> stick just right to some papers.) However, the main thing you mentioned is in 
> fact the bane of thermal printing - I folded a piece of thermal paper and put it 
> in my jacket pocket - my body heat darkened the paper to a darker color than the 
> print, so... for all intents and purposes, it was erased. sigh.. but it's still 
> the cheapest method I've found to use for debugging ASM listings. BTW - anyone 
> still sell DMP-105
>  ribbons? JEric
> 
> 
> 
> 
> ________________________________
> From: "wdg3rd at comcast.net" <wdg3rd at comcast.net>
> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> Sent: Thursday, January 8, 2009 11:09:51 PM
> Subject: Re: [Coco] TRP-100 Thermal Printer
> 
> From: John Eric <jet.pack at ymail.com>
> > I've just been using plain old thermal fax paper with mine - 99 cents for 
> three 
> > rolls at a local junk store - of couse the ribbon would probably let me use 
> > plain paper...
> 
> Any printouts you make on thermal paper, if you want to preserve them, remember 
> to make copies with a regular plain-paper copier at your earliest convenience.  
> Yes, it means you may have to have to cut it into short strips that you have to 
> keep together with paper clips, in the case of output from the TRP-100.  But 
> thermal printouts are transient.  I lost three months work due to leaving a roll 
> of TI-700 output in my car.  In August in Las Vegas.  The background became the 
> foreground darkness.  Stuff that would have advanced AI by 20 years (well, 
> looking at recent progress in AI, maybe 40).  That was back in 1979, but thermal 
> paper technology has not advanced much since then.  (Nor has AI, though Real 
> Stupidity has made great gains, judging by the last several decades of US, 
> European, Asian and every else politics and economics).
> 
> Nah, I'm just fooling.  I'd managed a great (at the time) fusion of two of the 
> best bits from David Ahl's "BASIC Computer Games", Eliza and Animals (translated 
> to HP-2000A BASIC [crappy string functions, great array functions], since that's 
> what I had to work with before I got my first TRS-80, a couple of years before 
> the Color Computer).  I should try it again (probably in Python, since that's 
> what I'm learning now, though I'm not dropping the Bourne shell & descendants).  
> Didn't even bother remembering it during the several years without disk storage, 
> and got busy for a while after anyway.  In fact, mention of thermal paper is 
> what dragged it out of long-term storage covered with long-dead brain cells.  
> But do back up thermal to plain paper if you want your data to last.
> --
> Ward Griffiths    wdg3rd at comcast.net
> 
> I thought about being diplomatic and polite.  Honest, I really did.  But while I 
> was thinking about it, I accidentally bumped the button that puts my mouth on 
> autopilot, because it said, "That's a load of crap, Captain, and you know it".    
> Jim Butcher, _Small Favor_
> 
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