Page printer with internal and external memories
AssigneeSharp Kabushiki Kaisha
InventorShinji Imagawa
Life of this patent
Estimating the term…
Abstract
A page printer for printing a document by a page on receiving printing data sent from an external device. The printer comprises printing engine for performing a printing process based on page data and a page data preparing section for preparing page data on printing data input from the external device. The printer is provided with an external memory for storing prepared page data and control section for alternatively selecting either the external memory or the page data preparing section. The control section supplies the printing engine with page data from selected one of the page data preparing section and the external memory based on the selection.
Claims7
A page printer for printing a document by a page on receiving printing data sent from an external device, said printer comprising:
- printing means for performing a printing process based on page data;
- page data preparing means for preparing page data based on printing data input received from the external device;
- external memory means having a capacity for storing said prepared page data;
- storage controlling means for supplying said prepared page data to said external memory means after printing the document to store said prepared page data into said memory means;
- selecting means for alternatively selecting either said external memory to print out page data which have once been printed or said page data preparing means to print out newly prepared page data;
- and
- supply means for supplying said printing means with page data from a selected one of said page data preparing means and external memory means based on the selection by said selecting means.
Dependencies are inferred from the claim text.