Different manufacturers can have the exact same part number. Make sure to check your part links to one of our models! Please contact us if you need help.
Samsung: HWH450/ZA ML-4551NR SCX-4826FN SCX-4623FW SCX-4521FG ML4551N ML4050N ML3561ND ML3561N ML2551N ML2550
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R-chip
2007-000075, SAM2007-000075