Patent ID: 7770518
Filing Date: 2010-08-10
Classification: B41J

Abstract:
1. An apparatus comprising: a drum along an axis; printheads arcuately arranged about the axis; a media supply configured to supply an individual sheet to the drum; a media output configured to withdraw the individual sheet from the drum; and a first web extending in an arc about the axis; an arcuate track spaced from the drum and configured to guide movement of the first web about the axis; a first spool and a second spool, wherein the first web wraps about the first spool and the second spool; a housing joining the first spool, the second spool and the track a torque source, wherein the second spool is removably coupled to the torque source; and a guide configured to receive the housing, wherein the guide moves between a first position in which the second spool is coupled to the torque source and a second position in which the second spool is disengaged from the torque source.