Canon L250 - Manual (Page 268)

4
Insert the screws into the plugs and push them in with your finger.
■ If you cannot push the screws in with your finger, use a phillips screwdriver to push
them in. (Do not screw them in as the screws may break.)
■ Make sure the screws are inserted all the way into the plugs.
5
Connect the handset cord to the input jack marked on the left side of the unit.
Appendix B – Options
B-4