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http://www.epson.com.cn/resource/Download/Service/driver/SPC/WP-M4521/WP-M4521M4011_X86_133.exe
Epson WP-M4011  For Win XP/03/08/Vista/Win 7/Win 8/8.1/Win 10 32λ [ٷ]

http://www.epson.com.cn/resource/Download/Service/driver/SPC/WP-M4521/WP-M4521M4011_X64_133.exe
Epson WP-M4011  For Win XP/03/08/12/Vista/Win 7/Win 8/8.1/Win 10 64λ [ٷ]
