Method for drying printed material

A method for drying printed material, the method comprising the following steps:

• driving a one-dimensional or two-dimensional array of radiation sources individually or in groups for drying the printed material;
• transforming high-resolution image data, describing a printing image or a content of printing forms for individual color separations, into image data of lower resolution;
• obtaining position data describing a position of the printed image in a transport direction from a device for transporting the printing material, the resolution of the image data of the lower resolution color separation image being coarser in the transport direction of the printing material than transverse thereto;
• generating control data for modulation of an intensity of the radiation sources or groups of radiation sources of the array from the image data of lower resolution and position data;
• and
• sweeping over printing material in a transport direction with time-modulated radiation points each including a plurality of image points of a higher-resolution printed image.

A method for drying printed material, the method comprising the following steps:

• driving a one-dimensional or two-dimensional array of radiation sources individually or in groups for drying the printed material;
• checking light sources of the array or groups of light sources with regard to radiation output thereby;
• transforming high-resolution image data, describing a printing image or a content of printing forms for individual color separations, into image data of lower resolution;
• obtaining position data describing a position of the printed image in a transport direction from a device for transporting the printing material;
• generating control data for modulation of an intensity of the radiation sources or groups of radiation sources of the array from the image data of lower resolution and position data;
• and
• sweeping over printing material in a transport direction with time-modulated radiation points each including a plurality of image points of a higher-resolution printed image.

A method for drying printed material, the method comprising the following steps:

• driving a one-dimensional or two-dimensional array of radiation sources individually or in groups for drying the printed material;
• transforming high-resolution image data, describing a printing image or a content of printing forms for individual color separations, into image data of lower resolution, the resolution of the lower-resolution image data being between 5 and 100 dpi;
• obtaining position data describing a position of the printed image in a transport direction from a device for transporting the printing material;
• generating control data for modulation of an intensity of the radiation sources or groups of radiation sources of the array from the image data of lower resolution and position data;
• and
• sweeping over printing material in a transport direction with time-modulated radiation points each including a plurality of image points of a higher-resolution printed image.

A method for drying printed material, the method comprising the following steps:

• driving a one-dimensional or two-dimensional array of radiation sources individually or in groups for drying the printed material;
• transforming high-resolution image data, describing a printing image or a content of printing forms for individual color separations, into image data of lower resolution, the resolution of the lower-resolution image data being about 50 dpi;
• obtaining position data describing a position of the printed image in a transport direction from a device for transporting the printing material;
• generating control data for modulation of an intensity of the radiation sources or groups of radiation sources of the array from the image data of lower resolution and position data;
• and
• sweeping over printing material in a transport direction with time-modulated radiation points each including a plurality of image points of a higher-resolution printed image.