In itself not a problem, but the printer "Toner invalid" reports and blocked completely. Not even the onset of old almost consumed toner creates more corrective.
Whoever bypasses a manufacturer with clients and they "rewarded" for the purchase of expensive OEM cartridges with the deactivation of the device, must not be surprised that the customer then to third-party toner and of course then also obtain replacement documents can no longer be a printer of this brand accesses - even though we both professionally and personally almost exclusively Samsung products in use have with which we are all more than satisfied.