Increase office efficiency—produce professional-quality documents consistently. Print at high speeds without sacrificing quality, and get increased energy-saving Original HP toner cartridges are designed for optimal performance with HP printers.²

Boost efficiency, using Original HP LaserJet toner cartridges. Enhanced HP toner fuses quickly to documents for fast printing with outstanding quality. Get quick and easy installation, plus exceptional value with optional high-capacity cartridges.⁴

• Optimize printing performance with enhanced HP toner.
• Save time with easy installation, and get exceptional value from optional high-capacity toner cartridges.⁴
• Save time with built-in cartridge intelligence that connects supplies to market-leading management tools.
• Receive an alert when toner is low, and easily shop for replacement cartridges, using HP SureSupply.¹

Produce professional-quality documents and get trouble-free printing for your business. Print crisp text and sharp, black graphics page after page. Original HP LaserJet toner cartridges are designed and tested with the printer for consistent results.

• Make a professional impression with bold, crisp text and sharp, black graphics.
• Get consistent print quality from a cartridge designed and tested with the printer.
• Choose cartridges designed for reliability and avoid frustrating reprints, wasted supplies and delays.
• Rely on consistent results and optimized print quality with built-in cartridge intelligence.

Rely on the environmental leadership of HP. Original HP LaserJet toner cartridges with enhanced toner increase energy-savings,² and are designed with the environment in mind. Recycle toner cartridges responsibly, using HP Planet Partners.³

• Original HP LaserJet toner cartridges with energy-efficient toner enable an energy savings of over 18% on every page you print.²
• Take advantage of intuitive design—HP LaserJet toner cartridges are designed with the environment in mind.
• Get free, easy recycling—HP Planet Partners recycles cartridges responsibly.³
• Choose high-capacity HP LaserJet toner cartridges for cost-effective, high-volume, more responsible printing.⁴

1. Program features and availability may vary by country. For more information, visit http://www.hp.com/learn/suresupply
2. Energy savings based on comparing conventional toner and print system used in HP LaserJet M4345 MFP series with energy-efficient HP toner and print system used in HP LaserJet Enterprise M4555 MFP series. Testing per Energy Star Typical Electricity Consumption test. Actual savings may vary.
3. Program availability varies. HP toner cartridge return and recycling is currently available in more than 50 countries and territories around the world through the HP Planet Partners program. For more information, or to request return envelopes and bulk collection boxes, visit http://www.hp.com/recycle.
4. The HP 90X LaserJet Black Toner Cartridge not included; please purchase separately.

Designed for use with the following HP laser printers:

• LaserJet Enterprise 600 Printer M601n
• LaserJet Enterprise 600 Printer M602n
• LaserJet Enterprise 600 Printer M603n
• LaserJet Enterprise 600 Printer M603xh
• LaserJet Enterprise M4555h MFP

Part Number	CE390A
Cartridge Type	HP LaserJet toner
Cartridge Color	Black
Compatibility	See above
Cartridge Yield	Average cartridge yields 10,000 standard pages. Declared yield based on ISO/IEC 19752 and continuous printing. Actual yields vary considerably based on images printed and other factors. For details see http://www.hp.com/go/learnaboutsupplies.