3000 Leaf? Cartridge unlock!

The shipment took some 4 days ago, but was in line displayed;
the print quality of the cartridge is indistinguishable from the original cartridge and thus very satisfactory!
Now, after 300 Print the computer reports with the reference to the approaching of the Exitus Tonerbehaelters;
The print quality is still perfect!
I hope that the "alert" the software of the computer (Mac) or the cartridge is owed.
I'm very curious to see if 3000 angekuendigte prints are achieved.
The product is great in itself, the question remains: How many prints are possible.
If there should be 2000 prints, I will order this product again, especially against the backdrop of the demanded for the original price.

IMPORTANT ADDENDUM:
After the printer had indeed ceased its operation and I complained about this fact the seller,
was informed by the seller within 24 hours via email the approach to troubleshooting;
and it goes like this ...

Open the front cover and leave it open this while performing the following steps:
- Turn off the printer.
- Hold down the "GO" (or "Start" button) when the printer. All ads should now light up
- Release the button "GO" (or "Start" button) going on.
- Press now quickly press the "GO" (or "Start" button) 2 times.
- Pause. All ads will light.
- Press the "GO" (or "Start" button) 6 times.
The toner light should be off.
-Close The cover. The Ready light should be turned on as a single lamp.
"
The printer is now and so far with the "defective" cartridge firmly; No more error messages, impeccable print quality.