CRUM - Customer Replaceable Unit Monitor.
In other words it is the chip on the cartridge.
To order a new Samsung firmware you must enter it identification number in the input field.
In the report you must looking for the serial number - crum (11 numbers).
It's located in the supplies report in the Toner Information.
This report is printed by pressing and holding the "Stop" button for more than 15 seconds.
In the report you must looking for serial number - crum (11 numbers).
Other ways to print the supplies report:
Print report in 472x
menu - # - 1934
tech mode - report - all report
Print report in 2160
Press and hold the printscreen - LED blinks for three times and stay lit - will printed the Supplies Information report
Print report in 3400 - 3400W
Quick press: up-up-stop-down-down-stop-stop
Choose АА - print all reports and press "Print".
Print report in 3400F 3400fw 3400FH
MENU - # -1934 - MENU
Enter the service mode
Print all reports.
SCX-4650N
When you turn on the printer it asks you "Ended cartridge. Stop or continue?". Click on "continue". Through the menu print two configuration reports and supplies report.
Download the latest version of usbprns3
And remember In our firmware the crum checked once during the firmware update process - you don't need to keep it!