Paver and method for its operation

The invention relates to a road finisher (1) having a material hopper (3) for provisional acceptance of incorporated bound or unbound materials in the form of a mixed material (M), a conveying device (4) for transport of the mixed material (M) from the material hopper (3) to at least a distribution and / or processing means and at least one pressure roller (10) at a front side for positioning a Mischgutversorgungsfahrzeugs (MF) during a filling of the mix (3) in the material hopper (3). the at least one pressure roller (10) is parallel to the direction of travel (F) mounted displaceably accordance with the invention. Furthermore, the invention relates to a method for the operation of the road finisher (1).