To create fix firmware reset for printers Samsung
CLP-320 CLP-325 N / W / K  necessary to know
printer serie (SN)     and  firmware version

This information can be found by printing the Configuration report
Serial Number appears noted also on the label behind the printer

~ 3 seconds STOP / CLEAR until the LED starts blinking – print configuration report
~ 8 seconds STOP / CLEAR until light stabilizes – print report supplies information

In the 2nd part ( min 3:12 ) can see 
– How simple it is to install fix firmware reset  sent by us
– Working cartridge without chip (covered with tape or taken out)
– Counters reset to 100% after each stop/ start the printer

After reset is  necessary only refill toner cartridge.
Reset procedure will cancel all 4 chips from cartridge and also  chip from image unit DRUM.
Video refill cartridge CTL-406
http://www.ereset.com/refill/reincarcare-refill-cartus-clt-407/