There is no fault warning, but it does not print?

1)The setting of Width or Product Delay in Message Parameters is wrong. Adjust Width or Product Delay.

2)Malfunction of photocell. Check the connection of photocell, and clean the inductive head of photocell.

3)The installation position of photocell has changed. Install and fix photocell all over again.

4)The setting of sensitivity of photocell is not correct. Adjust the sensitivity of photocell.