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In refactoring the code to separate the actual printer part from the interface part, I forgot to hook up the margin switch. The diagnostic program promptly figured this out and had these suggestions:




Also there's some strange behavior if I select the head alignment test at the beginning. It seems to print the screen improperly and won't proceed past the firmware test, updating the screen but never finishing.



typing Y then N will stop the alignment.



testing the firmware never completes with 4 character blocks being constantly updated.




If I reset, type IN#6 and select the same test, it will print properly and continue.



This is what it's supposed to look like:



and now following the reset, the test completes normally.



I'd be interested to see if it does this on real hardware, anyone have a real Silentype?