Re: DuoDisk - Three Questions

["Laine Houghton" <laine@intergate.com>]

"Luke Forat" <iceman@nospam.digidude.homeip.net> wrote in message 
news:yGpzf.50972$eD5.840970@twister2.libero.it...
>    Laine,
>
>    Michael's correct. You probably have some dust on the transmitter LED 
> or receiver - try using a small cotton piece on a stick and insert it in 
> the aperture of the detector (small plastic black box).  If some dust 
> deposits on the IR transmitter or receiver the signal (light) is weaker 
> and this may cause intermittent write protect problems (as when the window 
> is shut it is write protected). Don't use alcohol! At max use a slightly 
> damped cotton wool piece.
>    Alternatively, you may have physical problem with the optocoupler, it 
> may be slightly out of axis as Michael said (try fiddling with it when it 
> manifests the problem and see if that changes anything) or "out of 
> tolerance" - which is rare but possible. If this is the case, the quick 
> way to see if it is the optocoupler is to swap it with the one in drive 2, 
> which involves some more handy work and soldering. Then from there, you 
> can decide what steps to take.
>
>    Luke
>
> "Michael J. Mahon" <mjmahon@aol.com> ha scritto nel messaggio 
> oZKdnTCYsPm5clDenZ2dnUVZ_tadnZ2d@comcast.com">news:oZKdnTCYsPm5clDenZ2dnUVZ_tadnZ2d@comcast.com...
>> Laine Houghton wrote:
>>> "Luke Forat" <iceman@nospam.digidude.homeip.net> wrote in message 
>>> news:_z8zf.49677$eD5.818771@twister2.libero.it...
>>>
>>>>   Hi,
>>>>
>>>>   regarding your disk drive
>>>
>>>
>>> Luke,
>>> Quick question. My Duo has been flakey for years. I get intermittent 
>>> write protects on unprotected disks. Works one day maybe not the next.
>>> I took a quick look in there sometime back and it looked like opto 
>>> switches.
>>> I don't use the drive very often but if I need to do something quick I 
>>> can count on it to be cantankerous .
>>> Any experience with this or confirmation on the switches?
>>
>> In the case of photosensors, two causes of intermittent behavior
>> (assuming good connections) are:  1) physical misalignment
>> (not very likely), and 2) dirt in either the LED hole or the
>> phototransistor hole (more likely).
>>
>> -michael

Dust bunnies makes perfect sense.
I mean I bought it brand new but after 23 years a little dust is expected :)

And dang it Luke it is against my denature to not reach for the isopropyl 
alcohol.