Samsung SCX-4623FW fix firmware [chipless / sin chip]

Model	Firmware version
SCX-4623FW	V2.01.00.94 V2.01.00.97 V2.01.00.98 V2.01.00.99

Order

To create a fix firmware you need to send the data of your printer:
1. Exact printer model
2. Firmware version
3. Machine Serial Number
4. CRUM Number (Toner chip)

To check printer reports (in order not to make a mistake in the data) we recommend use the free program  PRINTER REPORTS BY ORPYS
It has the ability to save reports, you can send this report to us

Instruction (Manual) for program firmware

1. Connect printer to computer and turn ON

2. Extract the archive and drag and drop file P_NU_XXXXXXXXXXXXXXXXX_SCX4623FW_V2.00.01.xx.hd on usbprns2.exe
    - Wait for the printer to done programming (1-2 minutes) and then it will reboot itself
    - After the firmware, you need to glue tape of toner chip and not allow other chips
3. Done, the firmware is finished.

P/S: After the firmware, we recommend disconnecting the CRUM connector from the mainboard

Instruction (Manual) for program original firmware

Enter Download Mode [forced mode]