Printing device and printing system to manage print jobs based on print history and computer readable storage medium for storing a computer program therefor
US8244144B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 23, 2009 |
| Grant date | Aug 14, 2012 |
| Priority date | — |
| Expiry date | Oct 23, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/5075
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A printing apparatus connectable with an external storage device is provided. The printing apparatus includes a printer unit to execute a printing operation to print an image in a current print job, a print log provider to provide a print log, which indicates a record of the printing operation for the current print job, to the external storage device, a print log obtainer to obtain a preceding print log, indicating a record of an earlier printing operation executed earlier in the printing apparatus, provided to and stored in the external storage device, a print log examiner to examine the preceding print log and determine normality of the preceding print log based on the record of the earlier print operation, and a controller to permit the printer unit to print the image and restrict the printer unit from printing the image depending on normality of the obtained print logs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.