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The issue has now been resolved. For your reference: • For some reason Ardunio 1.6.4 did not seem to compile correctly. Ardunio 1.6.0 did work. I tried it on two different workstations and the result was consistent. • Without clearing the EEPROM (File > Examples > EEPROM > EEPROM Clear), the new fir ...

Thanks for responding. The firmware will over ride those values if enabled. Perhaps the microstepping settings are wrong? Do you mean that the compiled upload will override the "Steps per mm" in Repetier, or Repetier will override the upload? Also whenever I download any of the rostock max firmwares ...

I have mid-2013 Rostock Max that has served me well for many years - has processed ~50kg of filament. It started having some intermittent issues - primarily stopping mid-print (not time or position related). The issue was not repeatable & I suspected a dry joint on the Rambo board so I purchased a ...