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Conference 7.286::atarist

Title:Atari ST, TT, & Falcon
Notice:Please read note 1.0 and its replies before posting!
Moderator:FUNYET::ANDERSON
Created:Mon Apr 04 1988
Last Modified:Tue May 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:1433
Total number of notes:10312

763.0. "Yet another printer" by COMICS::DSMMGR () Tue Feb 06 1990 13:19

    Okay folks here's another printer for you 8 ^)
    
    I have been given a printer in a box with no instructions with it at
    all. So, ANY help will be appreciated. Let me give you what little info
    I have.
    
    It is a thermal (yuch... yes I know, but it was free !!!) printer and
    the box describes it as follows :
    
    Trademark = SERIAL 8056 compact printer.
    Features  = 80 columns, 56 characters per second (WOW !!!) RS232 serial
    interface
    Made in   = Japan.
    
    That's all I have. The rs232 lead is wires straight into the back of
    the printer (ie no plug at the prionter end and the rs232 plug at the
    other end has been cut off.
    
    What I want is (ideally) a manual, but other than that instructions on
    how to rewire the rs232. At the end of the cable are the following
    wires
    
    
    1. The sheilding wire, one white wire, one red wire and two black
    wires.
    
    Can anyone help me please. 
    
    Thanks, 
    
    Jonathan
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763.1Go for itPRNSYS::LOMICKAJJeffrey A. LomickaTue Feb 06 1990 13:5219
Well -
Do you have a voltmeter?

Assume the black wires are ground.  Check for continuity between them. 
If they come up connected, then wire one of them to pin 7 of a female
25-pin connector and ignore the other.  If not, well, check for
continuity between them and the shield.  If one is connected to the
shield, it goes to pin 1, and the other to pin 7.  If you want to
connect the shild to pin 1, you can, but personally I wouldn't bother.

Turn on the printer and measure the voltage between the black wire and
the white wire, and also between the black wire and the red  wire. 
Whichever shows a strong voltage between -5 and -12 (I THINK it's
negative) should be attached to pin 3.  The other wire will show a weak
+ or - 0 to 3 volts, and should be attached to pin 2.

Connect the result to the serial port of the ST and start printing.

I wonder what baud rate it uses?
763.2thanksCOMICS::DSMMGRWed Feb 07 1990 07:056
    Thanks Jeff,
    
    I don't have a voltmeter, but it is not impossible that I can lay my
    hands on one so I'll give it a go.
    
    Anyone got a manual ?????????
763.3Wot? No thermal paper?CHEFS::MURPHYJ1Thu Feb 08 1990 05:529
    HA!
    
    (A clue to the printers pedegree...)
    
    Dixons used to give this away with the good old Sinclair QL when
    it was trying to get shot of them!
                                        
    Jon
    
763.4thanksCOMICS::DSMMGRThu Feb 08 1990 11:357
    Thanks for the tip Jon, I don't suppose you happen to know of someone
    with a QL (and such a printer) who might have a manual ???
    
    Reaching a straws
    
    
    Jonathan