The following tables describe the features for the HP LaserJet 4240, 4250, and 4350 series printers.

Speed

HP LaserJet 4240 series printer	HP LaserJet 4250 series printer	HP LaserJet 4350 series printer
Prints on letter-size paper at 40 pages per minute (ppm). Prints on A4-size paper at 38 ppm.	Prints on letter-size paper at 45 pages per minute (ppm). Prints on A4-size paper at 43 ppm.	Prints on letter-size paper at 55 pages per minute (ppm). Prints on A4-size paper at 52 ppm.

Resolution

HP LaserJet 4240 and 4250 series printer	HP LaserJet 4350 series printer
FastRes 1200—produces 1200-dpi print quality for fast, high-quality printing of business text and graphics. ProRes 1200—produces 1200-dpi printing for the best quality in line art and graphic images. HP LaserJet cartridges for crisp, sharp output.	FastRes 1200—produces 1200-dpi print quality for fast, high-quality printing of business text and graphics. ProRes 1200—produces 1200-dpi printing for the best quality in line art and graphic images. HP LaserJet cartridges for crisp, sharp output.

Paper handling

HP LaserJet 4240 and 4250 series printer

HP LaserJet 4350 series printer

HP LaserJet 4250tn, dtn, and dtnsl models hold up to 1,100 sheets of paper. All other models hold 600 sheets of paper. All models are compatible with additional 500-sheet paper feeders and an optional 1,500-sheet high-capacity input tray. When the maximum number of trays are installed, all models can hold up to 3,100 sheets of paper. HP LaserJet 4250dtn and dtnsl models include a duplex printing accessory for automatic two-sided printing. All other models are compatible with the optional duplex printing accessory. HP LaserJet 4250dtnsl model includes a stapler/stacker that staples up to 15 sheets of paper and stacks up to 500 sheets of paper. All other models are compatible with the optional stapler/stacker. All models are compatible with an optional 500-sheet stacking accessory. All models are compatible with the optional envelope feeder that can feed up to 75 envelopes

HP LaserJet 4350tn, dtn, and dtnsl models hold up to 1,100 sheets of paper. All other models hold 600 sheets of paper. All models are compatible with additional 500-sheet paper feeders and an optional 1,500-sheet high-capacity input tray. When the maximum number of trays are installed, all models can hold up to 3,100 sheets of paper. HP LaserJet 4350dtn and dtnsl models include a duplex printing accessory for automatic two-sided printing. All other models are compatible with the optional duplex printing accessory. HP LaserJet 4350dtnsl model includes a stapler/stacker that staples up to 15 sheets of paper and stacks up to 500 sheets of paper. All other models are compatible with the optional stapler/stacker. All models are compatible with an optional 500-sheet stacking accessory. All models are compatible with the optional envelope feeder that can feed up to 75 envelopes

Memory and processor

HP LaserJet 4240 and 4250 series printer	HP LaserJet 4350 series printer
The HP LaserJet 4240 and 4250 model includes 48 MB of random-access memory (RAM). The HP LaserJet 4250n and tn models include 64 MB of RAM. The HP LaserJet 4250dtn and dtnsl models include 80 MB RAM. All models are expandable up to 512 MB maximum memory 460-megahertz (MHz) processor speed All models are compatible with an optional EIO hard disk.	The HP LaserJet 4350n and tn models include 80 MB of random-access memory (RAM). The HP LaserJet 4350dtn and dtnsl models include 96 MB RAM. All models are expandable up to 512 MB maximum memory 460-megahertz (MHz) processor speed All models are compatible with an optional EIO hard disk.

Interface connections and networking

HP LaserJet 4240 and 4250 series printer

HP LaserJet 4350 series printer

All models include a bidirectional, extended capabilities port (ECP) type-B (IEEE 1284-compliant) parallel connection All models include a Universal Serial Bus (USB) 2.0 connection All models include two PCI-based enhanced input/output (EIO) expansion slots All models include an HP Jetlink port for connecting to optional paper-handling devices HP LaserJet 4240n, 4250n, tn, dtn, and dtnsl models include an HP Jetdirect embedded print server for connecting to a 10/100Base-TX network. All models are compatible with an optional 802.11b wireless network card.

All models include a bidirectional, ECP type-B (IEEE 1284-compliant) parallel connection All models include a USB 2.0 connection All models include two PCI-based enhanced input/output (EIO) expansion slots All models include an HP Jetlink port for connecting to optional paper-handling devices HP LaserJet 4350n, tn, dtn, and dtnsl models include an HP Jetdirect embedded print server for connecting to a 10/100Base-TX network. All models are compatible with an optional 802.11b wireless network card.

Language and fonts

HP LaserJet 4240 and 4250 series printer	HP LaserJet 4350 series printer
HP PCL6, PCL 5, and HP PostScript® (PS) 3 emulation 80 fonts for Microsoft® Windows® Additional fonts can be added by installing a CompactFlash font card.	HP PCL6, PCL 5, and PostScript® (PS) 3 emulation 80 fonts for Microsoft® Windows® Additional fonts can be added by installing a CompactFlash font card.

Print cartridge

HP LaserJet 4240 and 4250 series printer	HP LaserJet 4350 series printer
Standard print cartridge prints up to 10,000 pages. HP LaserJet 4250 series printers accept a high-capacity print cartridge that prints up to 20,000 pages. (The HP LaserJet 4240 only accepts the Standard print cartridge not the high-capacity model.) HP smart printing supplies program automatically alerts when toner is low.	Standard print cartridge prints up to 10,000 pages. All models accept a high-capacity print cartridge that prints up to 20,000 pages. HP smart printing supplies program automatically alerts when toner is low.

Economical printing

HP LaserJet 4240 and 4250 series printer	HP LaserJet 4350 series printer
N-up printing (multiple pages on one sheet) saves paper. Duplex printing (automatic or manual) saves paper. Printing in EconoMode saves toner.	N-up printing (multiple pages on one sheet) saves paper. Duplex printing (automatic or manual) saves paper. Printing in EconoMode saves toner.

Accessibility

HP LaserJet 4240 and 4250 series printer	HP LaserJet 4350 series printer
The online user guide is compatible with text screen-readers. The print cartridge can be inserted and removed by using one hand. All doors and covers can be opened by using one hand. All media-width guides can be adjusted by using one hand.	The online user guide is compatible with text screen-readers. The print cartridge can be inserted and removed by using one hand. All doors and covers can be opened by using one hand. All media-width guides can be adjusted by using one hand.

Energy Star

This product is designed to reduce power consumption and save natural resources without compromising product performance. It has been designed to reduce total energy consumption both during operation and when the device is not active.

This product qualifies for ENERGY STAR^® , a voluntary program established by the U.S. Environmental Protection Agency (EPA) to encourage the development of energy-efficient office products.

ENERGY STAR^® is a U.S. registered service mark of the U.S. EPA. As an ENERGY STAR^® partner, HP has determined that this product meets ENERGY STAR^® guidelines for energy efficiency.

To learn more about HP ENERGY STAR^® qualified products, go to the Explore HP ENERGY STAR® qualified products Web site (www.hp.com/go/energystar) (in English).

For more information about ENERGY STAR^® , go to the EPA's ENERGY STAR® Web site (www.energystar.gov) (in English).