When "Alarm" and "Data" LEDs light, you need to replace the toner cartridge. (TN-430) View Video Animation >> (swf-file 373KB) (Requires Macromedia Flash Version 4.0 or later) View PDF File >> (pdf-file 136KB) The Toner cartridge yield is up to 3,000 pages when printing at 5% coverage on A4/Letter sized paper. When When "Alarm" and "Data" LEDs blink every 5 seconds, you should order a new toner cartridge as the toner will run-out soon. You can configure the printer to e-mail you when there is a problem. Click here for more information (HL-1470N only). The Status Monitor tool can be used to monitor the status of the printer. The BRAdmin Professional Software can be used to monitor the status of the printer (HL-1470N only). You can use a web browser to monitor the status of the printer (HL-1470N only).

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