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822 Thermal Printer


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#1 gilsaluki OFFLINE  

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Posted Fri Sep 30, 2016 11:57 AM

Does anyone on this planet have an Atari 822 Printer?  If so, what do you use it for.   I wish I had bought one "back in the day".  Impossible to find now.



#2 slx OFFLINE  

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Posted Fri Sep 30, 2016 10:41 PM

There was one on EBay UK recently and I remember another one a couple of month ago. It would probably be nice for program listings if you don't care for longevity.



#3 slx OFFLINE  

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Posted Fri Nov 10, 2017 3:52 AM

Another one with a price that makes the last one that I found too expensive for me look like a bargain....



#4 gilsaluki OFFLINE  

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Posted Fri Nov 10, 2017 8:32 AM

Whoa! I remember them brand new for $15 at San Jose Computer. He couldn't get rid of them. In fact, sometimes he'd throw in one for free is you order two software titles. My, my, supply and demand.
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#5 Bill Lange OFFLINE  

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Posted Fri Nov 10, 2017 9:56 AM

I have one. It sits there and looks pretty. I'm planning on using the three early printers: 820, 822, 825, in my next VCF exhibit next year.


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#6 DGS-Atari OFFLINE  

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Posted Fri Nov 10, 2017 10:49 AM

I can't believe how much these things are selling for. I remember Derek Fern (Micro Discount) had a load of them out of the Atari UK warehouse he'd cleared out in about 1990 time. They were all returns, but most did actually work. I think he sold me a few of these things for about £10 each. Sold them all though not long after. Should have kept them! Getting the paper was the problem, but if you knew somebody with an industrial saw you could get a roll of thermal fax paper and cut it to the correct width.


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#7 slx OFFLINE  

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Posted Fri Nov 10, 2017 11:47 AM

Never saw one in the wild here in Austria but always thought it would be a neat, compact period device to have. At current prices, I'll pass. I suppose that thing is heavier than it looks, though, with an all-metal case.

 

(And I shouldn't have given away my EPSON FX-80.....)


Edited by slx, Fri Nov 10, 2017 11:47 AM.


#8 Bill Lange OFFLINE  

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Posted Fri Nov 10, 2017 12:16 PM

Here is a photo of my 820 and 822. These things are beasts! They look great along side the Atari 800 tank of a computer! The 822 is quite a bit bigger, but not actually that much heavier.

 

IMG_0947.JPG


Edited by Bill Lange, Fri Nov 10, 2017 12:58 PM.


#9 tschak909 OFFLINE  

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Posted Fri Nov 10, 2017 1:20 PM

irony here is that both of these mechanisms came from the industrial printing world originally for things like cash registers or monitoring stations, the 822 is a re-badged Trendcom with the centronics circuitry removed, and the 820 is a re-badged Eaton 7000+ printer, again with serial interfacing removed. 

 

The only full carriage printer that Atari sold out of the lot was the 825, which was a straight re-badge of the Centronics 737 (Centronics refused to sell Atari a bare mech, so this was one of the driving forces behind the creation of the 850)

 

-Thom



#10 gilsaluki OFFLINE  

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Posted Fri Nov 10, 2017 5:01 PM

I have been using an 820 for thirty years. Yeah, a real beast. San Jose Computer guy sold it to me for $15. I said, "Why do I need one of those?". His response, "Why not?" For that price, he was right. Should have gotten the thermal printer (822) as well.
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#11 KLund1 OFFLINE  

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Posted Mon Nov 13, 2017 6:21 PM

I have a 822, partly working. That all metal housing, and internals make it quite heavy. I think we had it on display this year at VCF-W, along with an 820 and 825, both working.



#12 wood_jl OFFLINE  

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Posted Mon Nov 13, 2017 6:58 PM

The 822 was my first printer!

 

I bought it out of a bargain bin in the toy section of JC Penny, in the early 1980s.  At that time, it was several hundred dollars for something like an Atari 825 or Epson MX-80, plus the expense of an Atari 850 Interface (remember how expensive those were).  It was the only way I could print anything out of my Atari for a while.

 

I remember other Atari BBS SYSOPS used the 820 on their BBS, and used to tell me about hearing the noisy 820 from bed across the house, as people would leave a "Message To SYSOP" at some ungodly hour.  I missed out on the 820.  I tried for a while to look for 'em, but they're just too rare, expensive, and not so usable to me now.  I stocked up on Epson FX-80s (well, 2 is a stock now) so I can do a vintage Print Shop printout, now and then.  That's about all they are good for.

 

About a year ago, I heard an old-school dot matrix impact printer going at the Bone and Joint clinic.  I hadn't heard one in years.  I was waiting for it to print across the perforation and make that really loud sound, and it did!  I couldn't believe it.  Isn't it cheaper to have a laser printer print two pages than tear apart those archaic tractor feed multi-part forms?



#13 slx OFFLINE  

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Posted Tue Jan 30, 2018 2:21 PM

Didn't check my mail for a day just to find that there was an untested 822 "buy it now" for 60 USD. No wonder it was gone a day later.

Anyone here lucky enough to have scored?



#14 gilsaluki OFFLINE  

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Posted Wed Jan 31, 2018 7:58 PM

Darn!  Missed another 822!



#15 ACML OFFLINE  

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Posted Wed Jan 31, 2018 9:23 PM

Didn't check my mail for a day just to find that there was an untested 822 "buy it now" for 60 USD. No wonder it was gone a day later.

Anyone here lucky enough to have scored?

Actually there were two for sale ($60 buy it nows).  No, I didn't buy them.



#16 slx OFFLINE  

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Posted Thu Feb 1, 2018 12:16 AM

Actually there were two for sale ($60 buy it nows).  No, I didn't buy them.

 

:_(  :_(  :_(  :_(  Might have been tempted to get both to save on shipping, thus probably increasing the European count by 25%  ;)

Really regret I missed these.


Edited by slx, Thu Feb 1, 2018 12:16 AM.


#17 electronizer OFFLINE  

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Posted Thu Feb 1, 2018 2:31 AM

A while ago I acquired the Trendcom version of this printer. Gone are the SIO connectors and associated logic, replaced by a heavy transformer and associated power suppply components so it can be plugged directly into a wall socket.

Does anyone happen to know the pinout for the data connector?

5EE9C8DD-45D5-49EF-8DA8-A10326E5F8D1.jpeg

#18 _The Doctor__ OFFLINE  

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Posted Thu Feb 1, 2018 4:23 AM

a4p1 & a8p1 are the adadapters

macrotronics made them I think.. but you can look up macrotronics trendcom printer adapter

you might find the pinout for the adapter boards or cords that connect to the 20 pin connector

I know analog did a mod for the 822 to connect up to the 850 for those that are interested.

check old ham/radio/computer magazines, they constantly spliced disparate system together..

 

it might be at below... just look at the ic that connect to the 20 pin and we can be sure... tell us the numbers, should be easy to pair up and trace out

1 strobe
2 data 0
3 data 1
4 data 2
5 data 3
6 data 4
7 data 5
8 data 6
9 data 7
10 ack
11 busy
12 paper
13 select
14 autofeed
15 error
16 init
17 select in
18-20 ground


Edited by _The Doctor__, Thu Feb 1, 2018 5:19 AM.


#19 wesmond OFFLINE  

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Posted Thu Feb 1, 2018 5:32 AM

UK one today - https://www.ebay.co....GgAAOSwdTJab4M0



#20 electronizer OFFLINE  

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Posted Thu Feb 1, 2018 11:21 AM

a4p1 & a8p1 are the adadapters
macrotronics made them I think.. but you can look up macrotronics trendcom printer adapter
you might find the pinout for the adapter boards or cords that connect to the 20 pin connector
I know analog did a mod for the 822 to connect up to the 850 for those that are interested.
check old ham/radio/computer magazines, they constantly spliced disparate system together..
 
it might be at below... just look at the ic that connect to the 20 pin and we can be sure... tell us the numbers, should be easy to pair up and trace out
1 strobe
2 data 0
3 data 1
4 data 2
5 data 3
6 data 4
7 data 5
8 data 6
9 data 7
10 ack
11 busy
12 paper
13 select
14 autofeed
15 error
16 init
17 select in
18-20 ground

Here is a picture of where the connector attaches:

B61F44DB-4D15-4FC6-B563-665540C02FF6.jpeg

Pin 1 is in the lower left corner and pin 20 is in the upper right corner (connector is at the left edge of the picture). I wonder if I can just make a straight connection to the 850 printer port with IDC connectors and ribbon cable?

Chips are 74LS373N, ULN2805A and 74LS175N.

Edited by electronizer, Thu Feb 1, 2018 11:29 AM.


#21 BillC OFFLINE  

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Posted Fri Feb 2, 2018 2:20 AM

Here is a picture of where the connector attaches:

attachicon.gifB61F44DB-4D15-4FC6-B563-665540C02FF6.jpeg

Pin 1 is in the lower left corner and pin 20 is in the upper right corner (connector is at the left edge of the picture). I wonder if I can just make a straight connection to the 850 printer port with IDC connectors and ribbon cable?

Chips are 74LS373N, ULN2805A and 74LS175N.

Very much doubt that a straight thru ribbon cable would work, the 850 printer port is only 15 pins and AFAIK the pinout is unique. The only other devices I know of that use the same pinout are the ICD MIO and P:R:Connection, and this was for compatibility with 850 cables.



#22 _The Doctor__ OFFLINE  

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Posted Fri Feb 2, 2018 2:56 AM

we need to see the traces going from the pins to the chips



#23 slx OFFLINE  

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Posted Sat Feb 3, 2018 1:34 PM

UK one today - https://www.ebay.co....GgAAOSwdTJab4M0


Didnt even fire my EBay search. Taken offline, probably after a nice side offer.




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