Patent ID: 11872817
Assignee: CANON PRODUCTION PRINTING HOLDING B.V.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. An ink printer for printing to a recording medium in the form of a web, the ink printer comprising:
a printing unit with at least one print bar having one or more print heads for printing an ink color, wherein the printing unit is arranged stationary in the ink printer,
a web guide unit movable on an axis to guide the recording medium, the web guide unit being arranged so as to be linearly movable along a guide element below the printing unit, and
a maintenance unit movable on an axis to service the printing unit, the maintenance unit being arranged so as to be linearly movable along the guide element below the printing unit,
wherein, in a printing state, the web guide unit is positioned in a region of the print bars below the printing unit and, in a maintenance state, the maintenance unit is positioned in the region of the print bars,
wherein the web guide unit and the maintenance unit are mechanically coupled with one another so as to be releasable, and are configured to be moved linearly, independently of one another or jointly, on the guide element in a horizontal direction,
wherein the web guide unit comprises one or more web guide elements that, in the printing state, are coupled with a lifting device in order to move the recording medium in a stroke movement in a direction of the printing unit to perform a printing operation,
wherein the maintenance unit comprises at least one cleaning device and at least one covering device, wherein, in the maintenance state, the cleaning device and the covering device are coupled with the lifting device in order to move the cleaning device and/or the covering device jointly or separately in the direction of the printing unit for maintenance, and
wherein the lifting device is arranged below the web guide unit and the maintenance unit, the lifting device comprising stroke elements that are moved vertically, to a side of and next to the recording medium, in order to perform the respective stroke movement for the web guide elements, the cleaning device, and/or the covering device.