59A CF259A For Printer Toner Cartridges Used for H P LaserJet MFP M428 M304 M404

Product details :

Why choose SOUTH YUSEN toner cartridge ? :

A. High Quality

1) Most raw material are import from Korea,  Japan

2) 100% enough toner loading and page yield

3) Defective rate, Mono is near 0.3-0.5%, Color is 0.8-0.9%.

4) 100% testing before delivery

5) 4 times QC checking during the production

B. Perfect Customer Services

1) Any claims will be reply within 12 hours if have time difference

2) 18 months quality guarantee after delivery

3) Protect the interests of each customer

Quality control :

1) Only qualified materials and components are applied to each cartridge ( most raw material import from Korea , Japan ).

2) Well trained & qualified R & D,engineering and production staff,defective rate-monochrome less than 0.3-0.5%,Color less than 0.8-0.9%.

3) 100% OEM page yield , toner loading optical density and color gamut .

4) Professional equipment and facilities , certified and required by STMC and ISO9001 , ROHS.

5) 100% testing before delivery ( black / grey / ghost / blank / word test ).