Subj : H-P DeskJet 639C
To   : Matt Mc_Carthy
From : Roy J. Tellason
Date : Tue Aug 16 2005 06:02 am

Matt Mc_Carthy wrote in a message to Roy J. Tellason:

MMC>> The linefeed signals are either not getting from the processor 
MMC>> to the driver chips, or from the driver chips to the motor.  If 
MMC>> you can 'unplug' or 'release' the cables and re-seat them with 
MMC>> no benefit, it is probably going to be too difficult to trouble
MMC>> shoot, and I would have to agree with the 'boat anchor' 
MMC>> scenario! :-((

RJT> Jeez,  doesn't anybody fix this stuff any more?  (Feeling more 
RJT> and more like this skillset I've been honing for decades now is 
RJT> completely obsolete...)

MMC> Heh!  Myself, I'm slowing a bit, just have too much 'broken stuff'
MMC> that I know I'll never live long enough to get around to, and even
MMC> if I did, no one would want that old 'obsolete' stuff.   :-((

I hear ya.  I'm finding it easier to collect stuff as time goes by,  harder to 
figure out where the heck I'm gonna put it!

MMC> The last dot matrix I fixed was one I was printing my daughter's
MMC> school papers on when it died on a Sunday night!  [25 years ago!].
MMC> I _had_ to get it going, and found one section of a quad driver
MMC> was dead.  I cut out the dead section and replaced it with a TiP
MMC> transistor, and it is still running.  I've since collected a fair
MMC> bunch of working ink jets, and they are much easier to move around
MMC> to wherever I need them.  Since I only print about one page per
MMC> month I don't keep any printers connected to the computers.

Yeah.  I don't have any printers hooked up to any computers here at the moment, 
though I do have a laser,  an inkjet,  and a dot matrix here in the room.

MMC> I actually changed from the dot matrix to the ink jets when I
MMC> discovered my 20 year old supply of dot matrix ink had all jelled
MMC> up in the bottles!  I tried several solvents to get it flowing
MMC> again, but not much luck.  Not even WD-40 thinned it!

I wonder what they used?

MMC> Hey, when WD-40 fails, it's time to quit!   :-))

I guess.  I know that if I pull out that old Oki 92 again I'm going to 
definitely need a new ribbon...!  :-)

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