User interface with summary window

A dynamic printer user interface for a printing system comprising:

• a display;
• and
• a print controller configured for displaying image frames with variable contents,
• wherein each image frame includes a selection of display items,
• wherein at least some of the image frames include a summary window displayed at a fixed location on a screen of the display,
• wherein the print controller is configured to assign a summary attribute to at least some of the display items and to display the at least some of the display items in the summary window,
• wherein the print controller has an editing function allowing a user to change a configuration of the image frames,
• wherein the editing function includes a function allowing the user to assign the summary attribute to a display item by dragging the display item into an empty sub-window of the summary window,
• wherein the print controller is configured to store contents to be displayed in a given display item in the form of a function of a contents-determining variable that reflects a status of the system such that the display item is permanently shown in the summary window but the contents of the display item in the summary window change dynamically in accordance with the status of the printing system.