HP 37A Black Original LaserJet Toner Cartridge, CF237A

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Fast, professional results—improved HP ColorSphere toner. With reliable, consistent performance from everyday documents to marketing materials, and time-saving supplies management features, using Original HP printing supplies means high productivity.

Professional, high-impact prints—ColorSphere toner

Improved HP ColorSphere toner produces higher gloss and a wider range of perceived colors.Produce professional documents quickly—HP ColorSphere toner delivers consistent, quality results.The difference gets noticed. Improved HP ColorSphere toner is designed together with the printer.A broader range of available colors for subtle shading and fine gradations in color transitions.

Easy, cost-effective printing

Tailored to the needs of your business, choose from two sizes of Original HP black toner cartridges.Keep your printing up and running smoothly. Intelligence built into the cartridge provides alerts.Designed for easy, reliable operation—the all-in-one HP toner cartridge and ColorSphere toner.Free and convenient HP recycling program available in more than 47 countries worldwide.

Always print responsibly. Why? For a cleaner, greener future. Original HP toner cartridges and papers are designed with the environment in mind. HP makes it easy to recycle Original HP toner cartridges. The HP Planet Partners program is a free, convenient and industry-leading return and recycling program for HP toner cartridges available in more than 47 countries. Check your cartridge box or visit the official website for details.