Lighter Line showing on Colour Laser Print

[saf]

My colour laser QMS Magicolour 2200DL has started to leave a lighter line about 2/3rds of the way along the print. It doesn't seem to be colour specific (having tried blocks of colour and moving them around the page). Anyone have any idea what could be causing this, prints are perfect otherwise.

Thanks
Sharon

[agent006]

Toner's running out.

[malman]

Could be something stuck to or a damaged transfer roller assuming its a vertical stripe.