For some reason my latch button doesn’t seem to latch the ribbon . It used to work before. Does anyone have this same problem or know how to fix this? Thanks I got it to work now. I read that the button switches sometimes need to be pressed 50 to 100 times and this will solve the problem. I didn’t
Press the button 50 to 100 times. I just pressed it again and the latch button works like it did before.
I read the switches are self cleaning. I hadn’t used the PRO3 for awhile so maybe that was the cause.