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