Brother International PT-P700 Master Command Reference - Page 46

Raster Command Reference 5.3 Concurrent printing error flow for USB connection (with a concurrent printing error such as end of tape) Computer (host) If there are no problems with the printer status (media, etc.), the data is transmitted. If there is a problem, an error appears. READ Displaying sending Invalidate Initialize Printer Any jobs with errors remaining in the printer are cleared. The printer is initialized. Status information request Status (response to status information request) The status of the printer (media, etc.) is checked and a response is sent. Sending control codes Data received. Sending raster data Status (Phase change : "Printing") Beginning printing without waiting for a print command Printing Sending raster data Displaying printing Phase change "Printing" received. READ "Printing completed" received. Phase change "Waiting to receive" received. Finishing process for printing page 1 Sending data for page 2 Sending a print command (print command with feeding (1A) for the last page or print command (0C) for other pages) Status ("Printing completed") Status (Phase change: "Waiting to receive") Sending control code/raster data Printing of the 1st page is actually not finished, but the "Printing completed" status and "Waiting to receive" phase are sent. Status (Phase change : "Printing") Printing 1st page Printing 2nd page Sending raster data Sending raster data Status ("Error Occurred") Displaying printing Phase change "Printing" received. READ "Error Occured" received. An error appears. When restarted, data is resent starting with the 2nd page since "Printing" for the 2nd page is received. Resending process for data of 2nd page Sending a print command (print command with feeding (1A) for the last page or print command (0C) for other pages) Initialize Error occurred If an error occurs, all data read from the computer is cleared. Reprinting 2nd page - 42 - 5. Flow Charts