Accessing a TK50 or TK70 from RT
rodsmallwood52 at btinternet.com
Mon Jun 13 11:20:50 CDT 2016
On 13/06/2016 15:33, Jerome H. Fine wrote:
> >Rod Smallwood wrote:
>> >On 13/06/2016 02:33, r.stricklin wrote:
>>> The metal tape path rollers are used as tachometers to make sure the
>>> tape is feeding at the correct speed. If the tape drags over them,
>>> the firmware will consider the transport jammed and abort. A drop or
>>> two of light machine oil over the axle has been enough to get the
>>> rollers moving again on my TK50s where this failure mode has occurred.
>>> There are multiple failure domains involved. Lubricating the feed
>>> roller spindles doesn't solve the sticky tape problem.
>> We have a winner !!! yes that's what I did.
>> I had a small bottle of oil that came with my electric razor (Braun
>> pronounced Brown not Brawn)
>> It even had a fine nozzle. This is what you do.
>> Press each roller down (They are sprung) if they do not spring back
>> up quickly.
>> then press down again to reveal the top of the shaft.
>> One tiny drop only where the roller meets the shaft
>> Do not spin or press the rollers.
>> Of course it doesn't fix the sticky tape problem.
>> But it will stop good tapes going in the trash.
> Thank you BOTH for that information. My experience
> with TK70 media did not have that happen often enough
> that I realized there was a problem. But I will try to
> remember to check the rollers next time.
>> I have also been trying bulk erasing tapes and had partial success.
>> I used a six inch magnet that holds my mobile antenna onto the car.
>> On INIT it no longer says write protect but it still falls over after
>> about a minute
> I am holding in my hand a cylinder that is about 2 1/2" long
> and about 2 3/4" in diameter. It probably weighs about
> 5 lb.. and if I remember correctly it was the voice coil
> from an old speaker that was so badly damaged it no
> longer worked. So a permanent magnet needs to be
> fairly strong. I suggest that you might try to move your
> magnet in a circular motion of about 4" in diameter while
> toughing both large sides of the TK70 plastic container.
> If you achieve partial success with a minute or two, then
> maybe 5 minutes or even 20 minutes might be fully
> successful although I would agree that 20 minutes for
> every tape is too long. But it would at least prove that
> the method works in principle.
> Jerome Fine
Thank you for your input I'll give it a bit longer.
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