TNR-C4J "Large Capacity 4-Color Set" (Black TNR-C4JK1, Cyan TNR-C4JC1, Magenta TNR-C4JM1, Yellow TNR-C4JY1) Compatible Toner Cartridges for OKI C301DN, 4-color set, approximately 5000 pages per color, with IC chip, individually packaged, can be used with genuine cartridges. Set Contents - This set includes 4 TNR-C4J toner cartridges [1 black, 1 cyan, 1 magenta, 1 yellow]. Each toner cartridge is individually packaged, effectively preventing problems such as product damage and toner leakage. Suitable for long-term storage (includes 1 instruction manual). High Printing Volume - Nestink TNR C4J toner cartridges adopt a large-capacity design, with a black toner cartridge printing approximately 1500 pages and color toner cartridges also printing approximately 1500 pages, ensuring sufficient printing volume. Saves the trouble of frequent replacement and is easy to use (calculated at 5% coverage on A4 paper). Compatible Models - TNR-C4J toner cartridges are compatible with the following printers: C301dn