Brother International TD-4420DN Raster Command Reference - Page 48

Raster Command Reference 8.1 Buffered printing normal flow for USB/Bluetooth connection Computer (host) Invalidate If there are no problems with the printer status (media, etc.), the data is READ transmitted. If there is a problem, an error appears. Initialize Status information request Status (response to status information request) Displaying sending Sending control codes Sending raster data Printer Printer reset The printer is initialized. The status of the printer (media, etc.) is checked and a response is sent Data received. Display ing printing Sending raster data Sending raster data Sending raster data Sending a print command (print command with feeding (1A) for the last page or print command (0C) for other pages) Printing Phase change "Printing" received. "Printing completed" received. READ Status Phase change：Printing state/Printing Status ("Printing completed") Phase change "receiving" received. Finishing process for printing page 1 Sending data for page 2 Status Phase change: Receiving state/Waiting to receive Sending control codes Printing 1st page Printing 2nd page Sending raster data Sending raster data - 42 - 8. Flow Charts