This is toner chip developed and made in Korea and firmware upgrade is not needed. You can use this chip like OEM chip.
1. Page Yield : Black 1.5K, Color 1K
2. Model No : CLT-K409S, CLT-C409S,CLT-M409S, CLT-Y409S
3. Workable Printer : Samsung CLP-310/315/315WK
CLX-3170FN/3175N/3175FW
4. Origin : Made in Korea
5. Delivery : The shipment within 2 days after we receive your payment
6. Available Version : EUR, EXP, DOM, CHN
Thanks a lot for your inquiry.
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