Procedures as follows below :
1. Unplug and then press the Menu Button and hold the plug. Wait till the screen is in Maintenance Mode and scroll
2. Press 80
(using scroll arrows look for 8 and then press OK, scroll arrows look for 0 (zero) and the press OK)
3. Press Mono Start so on find that Purge : XXXX (click about 25 times)
4. Press in 2783 (using scroll arrows look for 2 then OK, scroll look for 7 then OK,scroll look for 8 then OK,scroll look for 3 then OK)
5. Purge : 0000 becomes all zero, and then press Stop
6. Press in 1999 (using scroll 1 then OK, scroll 9 then OK, scroll 9 then OK, scroll 9 then OK)
