THE FIX IS FOR A SINGLE PRINTERThis FIX is performed only once and lasts forever.You'll use less toner chip or recharge your toner
Installing the firmware fix is very simple (a mouse click), and just do it once!
completely eliminating the need to replace the chip toner and charge the toner at very low cost or the use of compatible toner
there are no electronics parts to be welded or replaced. the fix is transferred by software with operating system windows (xp, vista, 7, 8, 10)
Please provide the following information when you orderA) Specific printer modelB) Printer serial number (back of printer)C) Printer firmware versionD) serial CRUM (for some models)
How you can know firmware version of your machine?