Embedded Printer defect analysis system using print out and command interpreter
Original Publication Date: 1999-Nov-01
Included in the Prior Art Database: 2003-Jun-18
Disclosed is a method for debugging system for print er. This method can acquire printer working information as print-outs by using command inputs via parallel or network printer port. By this method, service person for field support can acquire the detailed printer working situation easily and can acquire documented information without hardware operations as cover open, external debugging terminal attachment or special ROM creation as usual. Target printer has print data parser, command interpreter, command execution shell, and output formatter. Operator creates command for system analyzing and sends analyzing commands from hosts as printer data stream to target printer system(~). And target printer parses these commands by command parser(~), interprets these commands(~), executes these commands~~~ via command execution shell by using OS system call or embedded task analyzing function~~~.