New : Xpress SL M 2071 serie
fix firmware version 3.00.01.26  available to reset now at a special price
For this model of cartridge ,  after ~ 1000 pages chip block printing ,
, even if such a full loaded cartridge (MLT-D111) print 2000 pages.

After reset, printer will work without chip which means,  you can use cartridge to print at maximum
(until it physically damages) saving money at every 1,000 pages printed!

Reset details 
Samsung M2071 / M2070W
http://www.ereset.com/fix-firmware-reset-samsung-xpress-sl-m-2071-w-f-fw-india/