This black ink cartridge easily slides into the pull down front of the Samsung C430W color printer. The old cartridge slides out from the bottom of four trays (yellow, magenta, cyan, black), this new one slides in. Delivery was prompt, in two days. Samsung's packaging allows for the proper environmental disposal of the old cartridge, by inserting it in the plastic puff pack and the box the new cartridge came in. The new black ink cartridge was soon printing dark legible text.