[Coladam] Latest update on the display/printer saga

Geoff Oltmans oltmansg at bellsouth.net
Thu Dec 23 02:23:32 CET 2010


That's the one! :)

On Dec 22, 2010, at 5:45 PM, mark wrote:

> don't know if this is the "reset" your talking about:
> 
> 
> Print Head Whines Fix
> From: The Paper Peripheral
> 
> Journal of the Triangle ADAM Users
> 
> February, 1987
> 
> 
> 
> Many ADAM printers exhibit a common problem, The print head moves to
> the right, then stops and whines, There is a simple(?) remedy for this
> problem, Turn off the printer. Remove the Printer cover. Slide the
> print head all the way to the right, Locate, in the upper left corner
> of the circuit board. a small metal circle next to an upside down
> "E-8".
> 
> Obtain a wide blade screwdriver or similar metal tool. Place the blade
> so it touches both the metal circle and the small metal box behind it.
> While maintaining this contact turn on the printer. The print head
> should begin moving to the left. Maintain the contact until you must
> remove you hand to allow the print head to pass.
> 
> If all went well the printer should print out random characters, Turn
> off the printer, then turn it back on and try it out, it should now
> work properly. If it still whines turn off the printer and try again,
> If you try this Please be extra careful, TAU can assume no
> responsibility for damage.
> 
> 
> 
> 
> On Wed, Dec 22, 2010 at 4:52 PM, geoffrey oltmans
> <oltmansg at bellsouth.net> wrote:
>> I think the last two steps may only occur when it's connected and talking to the
>> ADAM. Can't recall off the top of my head.
>> 
>> I'll have to see if I can dig up information on how to put the printer into the
>> self test mode I was talking about in the earlier email.
>> 
>> 
>> 
>> 
>> ________________________________
>> From: Justin Salvato <justin76here at hotmail.com>
>> To: coladam at adamcon.org
>> Sent: Wed, December 22, 2010 3:55:46 PM
>> Subject: Re: [Coladam] Latest update on the display/printer saga
>> 
>> The bad printer is detached from the ADAM, so I am not sure if that matters now.
>> But here goes...
>> 
>> Move head to home position CHECK
>> spin daisy wheel to home position CHECK
>> advance roller NOPE
>> move print head to left margin NOPE, just stays left.
>> 
>> 
>> 
>> 
>> 
>> From: geoffrey oltmans
>> Sent: Wednesday, December 22, 2010 4:45 PM
>> To: Justin Salvato ; coladam at adamcon.org
>> Subject: Re: [Coladam] Latest update on the display/printer saga
>> 
>> Does it spin the daisy wheel when it reaches home?
>> 
>> Normal sequence should be:
>> 
>> Move head to home position
>> spin daisy wheel to home position
>> advance roller
>> move print head to left margin
>> 
>> 
>> 
>> 
>> 
>> --------------------------------------------------------------------------------
>> From: Justin Salvato <justin76here at hotmail.com>
>> To: coladam at adamcon.org
>> Sent: Wed, December 22, 2010 3:38:45 PM
>> Subject: Re: [Coladam] Latest update on the display/printer saga
>> 
>> When I pull the reset on the non-printing SmartWriter, it returns to the home
>> position but does not advance the roller.
>> 
>> 
>> From: geoffrey oltmans
>> Sent: Wednesday, December 22, 2010 4:30 PM
>> To: Justin Salvato ; coladam at adamcon.org
>> Subject: Re: [Coladam] Latest update on the display/printer saga
>> 
>> If memory serves (and maybe someone can validate). There is a way to put the
>> printer into self test mode while shorting out a pin on the circuit board while
>> powering it up. It'll print every character on the print wheel over and over
>> when you do. Can't remember where exactly you do that.
>> 
>> When you pull the system reset, does the print head return to the home position
>> and advance the roller?
>> 
>> 
>> 
>> --------------------------------------------------------------------------------
>> From: Justin Salvato <justin76here at hotmail.com>
>> To: coladam at adamcon.org
>> Sent: Wed, December 22, 2010 3:31:32 PM
>> Subject: [Coladam] Latest update on the display/printer saga
>> 
>> I opened up the first printer, the one giving me display problems, but could
>> print.  I took some compressed air to it.  Made some observations: 1) some
>> screws were missing 2) the wires & components are slightly different than the
>> 2nd printer.  3) a shield that was blocking the daisy wheel/print mechanism  in
>> the 2nd printer, was not present in this one.
>> 
>> Well, ever since I put it back together, does display hasn’t screwed up on me. A
>> Christmas miracle perhaps?  I dunno.
>> 
>> 
>> However, my second ADAM is pretty much useless, but if I ever get around to
>> learning electronics, I’d like to repair it.
>> 
>> Justin
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>> 
> 
> 
> 
> -- 
> -Mark



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