GS1200 sideways judder

[Mark Norton]

That little cone shaped eccentric where the film exits the gate should be in contact with the edge of of the film.

[Rob Young]

Looking closely that lower adjustment screw on the fixed gate alignment seems to have a slightly worn head...like it's been adjusted in the past.

Clive, would it be an idea to post the exact same image with the leader in your GS1200 Xenon?