Feature 1PERFECT REPLACEMENT: This CRG054 Y yellow toner cartridge is compatible with for 054H 054 CRG054 toner cartridge 2COMPATIBLE PRINTER: Toner cartridge is compatible with for Color imageCLASS MF640C, MF641Cw, MF642Cdw, MF643Cdw, MF 644Cdw, MF645Cx, LBP621Cw, LBP622Cdw, LBP623Cdw printer 3PAGE YIELD: 5% coverage based on letter or A4 paper, a total of up to 2,300 pages per 054H toner cartridge 4ADVANCED PRINTING EFFECT: Compatible for 045 toner cartridge, provide you with realistic colors, clear text, clear graphics and high resolution printing results 5EXCELLENT PERFORMANCE: Toner cartridge is made with fine workmanship, possess compact appearance and stable performance, can make sure stabilityItem Type: Toner CartridgeColor: YellowCompatible: For Color imageCLASS MF640C, MF641Cw, MF642Cdw, MF643Cdw, MF 644Cdw, MF645Cx, LBP621Cw, LBP622Cdw, LBP623Cdw printer .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xTonerCartridge