Brother International TD-4420DN Raster Command Reference - Page 50
Buffered printing cooling flow for USB/Bluetooth connection
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Raster Command Reference 8.3 Buffered printing cooling flow for USB/Bluetooth connection Computer (host) If there are no problems with the printer status (media, etc.), the READ data is transmitted. If there is a problem, an error appears. Invalidate Initialize Status information request Status (response to status information request) Printer Printer reset The printer is initialized. The status of the printer (media, etc.) is checked and a response is sent Displaying sending Display ing printing READ Phase change "printing" received. Sending control codes Sending raster data Sending a print command (print command with feeding (1A) for the last page or print command (0C) for other pages) Data received Printing Status Phase change: Printing state/Printing Status Notification: "Cooling (started)" Cooling * "Cooling (started)" and "Cooling (finished)" may be repeated multiple times during one printing operation. Phase change "Printing" received. Phase change "receiving" received. Finishing process for printing page 1 Sending data for page 2 Status Notification: "Cooling (finished)" Status ("Printing completed") Status Phase change: Receiving state/Waiting to receive Sending control codes Sending raster data Sending raster data Printing Printing 1st page Printing 2nd page - 44 - 8. Flow Charts