【Product Contents】 Compatible Toner Cartridge CRG-057H 1 piece (3010C003) ※ This product is not a genuine product. ※ This product does not support remaining ink level display. Replace the toner if the printing becomes faint or white streaks appear on the printouts. 【Compatible Models】 Canon Monochrome Laser Beam Printer Satera LBP224 / LBP221 【Number of Printed Pages】 10,000 pages / per cartridge (Based on ISO/IEC 19752) 【How to Use】 You can use the toner cartridge by removing the protective sheet, protective tape, etc., and setting it in the printer. If the toner cartridge does not fit in the printer body, or if you cannot remove the used cartridge, the gears of the printer body and the gears of the toner cartridge may not be meshing properly. You can adjust the gear position by pressing the gear adjustment knob on the right end of the cartridge label several times. Please note that this product cannot be used with printers not listed as compatible models. 【Quality】 Toner Powder Used: Only toner powder that meets quality standards, with fine and coarse particles removed, is used. We do not use any inferior toner powder that could damage the printer body as well as the print quality. In addition, all products undergo "all-item inspection" by dedicated personnel on the production line. For one cartridge out of every production lot (1 lot = 100 cartridges), continuous mass printing is performed, and rigorous inspections including solid and halftone printing are conducted. [International Quality Standards] We provide products manufactured in factories that have obtained STMC (Standardized Test Methods Committee) certification, the international quality standard for toner cartridges, as well as ISO 14001 and ISO 9001 (environmental and quality management) international standards, RoHS Directive, REACH Regulation, and CE mark.