Patent ID: 7471914

Claim:
A cleaning unit for cleaning of a transport belt for transport of recording media in a transfer printing region of an electrographic printer or copying device, comprising: a ceramic abrasion element comprising a rigid elongated bar positioned transverse to a running direction of the transport belt to abrade toner located on the transport belt with either of at least two opposite corner edges by rotating the bar 180° for the abrading, materials of the ceramic element having a grain size smaller than or equal to that of the toner particles; a flexible support element for the transport belt provided on a side of the transport belt opposite the abrasion element; a toner capture reservoir to capture the abraded toner; the capture reservoir being removable from the printer or copying device; and an opening of the toner capture reservoir through which the abraded toner falls into the toner capture reservoir being selectively sealable in the printer or copying device.