Patent ID: 8702098

Claim:
A printing system, comprising: a marking engine for applying a marking substance onto a sheet; and a sheet conveying device comprising: a belt arranged to carry sheets from an upstream end to a downstream end of a transport path, the belt having at least two arrays of perforations; an array of suction nozzles arranged below the belt for sucking-in ambient air through the perforations of the belt, wherein the array of suction nozzles is aligned with one of the at least two arrays of perforations; at least one blow nozzle arranged at the downstream end of the transport path for blowing out a gas through the perforations of the belt; and an array of anti-friction blow nozzles interleaved with the array of suction nozzles and connected to a blower for blowing-out a gas towards the bottom surface of the belt during the traverse of the sheets along the marking engine.