It does sound like you probably fried a board rather than actually resetting it... not surprising, given that the printer might be over 10 years old now.
no cigar! - youll see from your screen shot that is one case the machine still know its a ir3300 and the other it doesnt - so no not zeroed just a confused machine hence it cant read it counter board as the serial number have clashed.
I reinstalled the system software & it went back to normal, all working fine but with the original count back
A little knowledge is a dangerous thing
14 Million through a 3300, well done.
Hope they had a paper deck on it.
Yes, I am a nerd.
Gaming PC - check. Raspberry Pi - Check. Custom ROM on phone - check. Thick glasses - check.