Print Problem Missing the third digit when it prints. 13 x 13 = 1, 99

Could be 2 things:
Either the 3rd digit of the number wheel is sticking or the solenoid for the 3rd digit is dirty, stuck or bad.
You can take the cover for the paper and see if the wheels are turning. Enter all 8888888888's and keep hitting +, this will make all of the wheels turn. If the 3rd digit isnt moving, then you can try to take a very small drop of light weight machine oil on a small flat tip screwdriver, and place a drop on both sides of the wheel that is sticking.
Enter all 8888888888's again, and keep hitting the + and see if it gets any better or starts to move.
If the wheel doesnt turn at all, then the solenoid might be stuck and it will be a lot harder to reach to service it.