Device for jogging sheets

Sheets (F) are taken one by one from the bottom of a stack and introduced into a margin table (M) for positioning each sheet by lateral jogging by means of three pairs (P₁, P₂ and P₃) of lower rolls ( 1) and higher (2). Each upper roll (2) can occupy a first position in which its peripheral speed is parallel to the scroll of the sheet for transport and a second position where said speed is slightly angled relative to the scroll for moving laterally the sheet towards a jogging rule. Such a device can be used in a cutting machine introduction station or printing cardboard sheets for the production of packaging.