Abstract: A non-impact printing system in which a multi-wire head collects debris has an arrangement for cleaning the head with a brush by sweeping the head over the brush in a first direction and immediately sweeping the head back over the brush in the reverse direction, while simultaneously pulling the head away from the brush.Certain aspects of the preferred embodiment disclosed herein include inventive subject matter set forth in the copending application of Robert Burdett Taggart, Ser. No. 26,647, filed Apr. 3, 1979, entitled, "Printing Apparatus Drive System".