Patent ID: 11945212
Assignee: CANON PRODUCTION PRINTING HOLDING B.V.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 8:
9. An ink jet printing method comprising the steps of:
moving a media sheet past a print station and printing an image onto the media sheet;
conveying the media sheet with the printed image through a drying station while the media sheet is supported on a support surface; and
attracting the media sheet against the support surface by means of a vacuum device;
wherein the step of attracting comprises a first sub-step of attracting the sheet against the support surface with a high suction pressure in order to remove cockles from the sheet, and a second sub-step of holding the sheet in engagement with the support surface by applying a suction pressure that is lower than the suction pressure in the first sub-step, and
wherein a ratio between the suction pressure in an upstream section and a downstream section is between 1.3:1 and 5:1.