Grasping at straws:
Are both chadless punches? Is the KTR doing a worse job with the lids?
And your TD isn’t quite adjusted quite right so that the sensing pins are too near the hinges of the lids?

Also on chadless reperfs IIRC, the spiked sprocket wheel is the only thing creating sprocket ”dimples”, so the wheel-to-punchblock distance is critical. Are your sprocket dimples properly aligned with the data holes?

On Sun, Oct 31, 2021 at 11:28 AM Daniel Jones <djones@k6yic.com> wrote:
It’s the weirdest thing. 

When I punch a tape with my 253 (KTR) I get random spaces and things like that when I run it through the TD.  This happens whether I use its own keyboard or type from my KSR.  When I punch identical tapes at the same time using the 192 (Compact Reperf) and the 253 from the KSR the tapes look identical but the 192 tape reprints fine when fed through the TD and the 253 tape again prints out random stuff. 

It’s so weird.   Have you experienced this before?  This 253 has always had an occasional random character issue but now it seems to be worse. 

I am going to tear down the KTR Reperf next weekend and do some cleaning on it. 

Daniel
K6YIC

Sent from my iPhone
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