HP LaserJet 42 Family Print Cartridges with Smart Printing Technology ¹ for the HP LaserJet 4250/4350 printer series deliver consistently outstanding print quality. They are reliable and easy to use and provide efficient supplies management.

HP LaserJet 42 Family Print Cartridges' advanced toner formula and accurate toner placement deliver consistently outstanding print quality with extra sharp black text and smooth greyscales and fine detail in graphics.

• Smooth HP toner particles produce true HP LaserJet print quality – clear, sharp text characters, smooth grayscales, and deep blacks. Consistent toner particle size enables accurate placement and control while maximizing the efficiency of how toner is used. Continuous improvements to HP toner formulas enable reliable, high-quality results at a broad range of print speeds. With genuine HP toner, you get the most out of your HP toner cartridge and your HP printer.
• HP Smart Printing technology in the toner cartridge and your printer continuously tunes toner particle charge for accurate, consistent results. (Using genuine HP supplies ensures availability of all HP printing features).
• Count on consistently high quality results. Precise matching of components in the HP LaserJet printing system optimizes the performance of HP toner, toner cartridge and printer architecture for professional results, every time you print.

HP LaserJet 42 Family Print Cartridges with Smart Printing Technology¹ guarantee consistently reliable performance with maximum printer uptime and minimum user intervention.

• The all-in-one HP toner cartridge design and a specially designed installation handle make it easy and convenient to install or replace a cartridge. Supplies are easy to access. And HP Smart Printing technology confirms that genuine HP toner cartridges have been installed correctly. Shake-free HP LaserJet toner cartridges make your printing system even easier to use. (Using genuine HP supplies ensures availability of all HP printing features).
• HP delivers environmentally-sound printing supplies with uncompromised quality and reliability. HP Planet Partners is a free, convenient and industry-leading return and recycling program for HP toner cartridges available in more than 30 countries. Check your cartridge box or visit http://www.hp.com/recycle for details.[2] HP ensures proper recycling of returned HP cartridges, processing them to recover plastics and metals for new products and diverting millions of tons of waste from landfills.

HP LaserJet 42 Family Print Cartridges' all-in-one design allow effortless installation and maintenance. Smart Printing Technology¹ features monitoring of supplies status and usage information via the printer's control panel or web browser.

• HP toner cartridges are designed for efficient use and time-saving operation. HP Smart technology in the cartridge and your printer estimates how many pages can be printed with the supplies remaining to ensure your print job is successfully completed. (Using genuine HP supplies ensures availability of all HP printing features). The optional HP 42X LaserJet Toner Cartridge is designed for high-volume printing and offers an excellent value (available for the HP LaserJet 4250 and 4350 only).
• HP Smart Printing technology in the toner cartridge and your printer continuously tunes toner particle charge for accurate, consistent results. (Using genuine HP supplies ensures availability of all HP printing features).
• To keep your productivity high, HP designs in reliability to maximize uptime. HP is an industry-leader in research and development, design, manufacturing and testing processes. Every original HP LaserJet toner cartridge must meet strict quality standards.

1. Using genuine HP supplies ensures availability of all HP printing features

Designed for use with the following HP laser printers:

• LaserJet 4240n
• LaserJet 4250
• LaserJet 4250dtn
• LaserJet 4250dtnsl
• LaserJet 4250n
• LaserJet 4250tn
• LaserJet 4350
• LaserJet 4350dtn
• LaserJet 4350dtnsl
• LaserJet 4350n
• LaserJet 4350tn

Part Number	Q5942A
Cartridge Type	HP LaserJet toner with Smart Printing Technology
Cartridge Color	Black
Compatibility	See above
Cartridge Yield	10,000 standard pages in accordance with ISO/IEC 19752