Machine not recognizing new toner cartridge - Phaser 7800

[Kowen de Bordeaux]

Hi Joe

Thanks but it's the second toner

first low capacity without PagePack

second big capacity and PagePack

...

[Joe Arseneau]

return it as defective

[Kowen de Bordeaux]

Hi,

New yellow toner not recognized...

I change other color it's ok but...

Thanks