Brother International QL-1110NWB Raster Command Reference - Page 43

Raster Command Reference 5.3 Error flow for USB connection (with a concurrent printing error such as end of tape) Computer (host) Printer 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 Initialize Status information request Status (response to status information request) Sending control codes Sending raster data Status (Phase change : "Printing") Sending raster data Displaying printing Phase change "Printing" received. READ Sending a print command (print command with feeding (1A) for the last page or print command (0C) for other pages) "Printing completed" received. Phase change "Waiting to receive" received. Finishing process for printing page 1 Sending data for page 2 Status ("Printing completed") Status (Phase change: "Waiting to receive") Sending control code/raster data Sending raster data Status (Phase change : "Printing") Status ("Error Occurred") Sending raster data 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 Any jobs with errors remaining in the printer are cleared. The printer is initialized. The status of the printer (media, etc.) is checked and a response is sent. Data received. Beginning printing without waiting for a print command Printing Printing of the 1st page is actually not finished, but the "Printing completed" status and "Waiting to receive" phase are sent. Printing 1st page Printing 2nd page Error occurred If an error occurs, all data read from the computer is cleared. Reprinting 2nd page - 39 - 5. Flow Charts