Printing The HP LaserJet Pro 4001n prints using laser technology, which picks up powdered "toner" on a roller and fuses it to the paper with heat. It prints black-and-white text with excellent quality. Text printing speed is typical, 5 pages took 16 seconds, costing 4.9 cents per page. It prints mono graphics with some obvious defects, but OK for casual use, costing 12.3 cents per page. The capacity of the main paper tray is 250 sheets, a generous amount. There's a second input tray that can hold another 100 sheets.
Scanning and Copying This is a single-function printer. It lacks a built-in scanner/copier.
Ease of Use This printer's usability is very limited—it lacks many helpful things. Not so helpful, HP claims this model will only work with their brand of ink and reject any other brands. It has a monochrome display screen with a 1.8-inch diagonal size.
Versatility It's not so versatile—it offers a few things: a USB port and Ethernet. The main tray can hold up to 250 pages, a generous amount. It has 2 input paper trays, which you can preload with different paper types. It can handle 200 gsm weight paper—for printing on stiff office paper. The largest paper size it may accept is 8.5 x 14 inches, larger than most models. It has a second input paper tray that can store another 100 sheets, a large amount. The output tray can hold up to 150 sheets, helpful when you need print a very large amount all at once. It's a small design that may find a place on a crowded desktop, and a middleweight at 18.1 pounds.
Connectivity and Networking It can print documents via USB and Ethernet.
You can also print from your smartphone or tablet. One option is "cloud printing" which most phones and tablets natively support. If yours doesn't, look for the HP printer app at the online store. For more details see
HP's website. Be aware that cloud printing transmits your document outside your home network, to a cloud server before reaching your printer. If you're near the printer, then the second, more-private option found on most printers is "WiFi Direct" which wirelessly connects the printer exclusively to your phone or tablet. A third option is wired—a "USB OTG cable for printer" with the USB that's compatible with your device—an inexpensive accessory, but it may not be supported on older devices.
Costs and Toner When this page was last updated, the printer's purchase price was about $ 379, high for a regular black and white laser printer. Printing uses up toner and the costs add up over time. This printer uses one cartridge. When the toner runs low, you replace the empty cartridge. The toner we used in testing was the HP 148A BK cartridge—at the time, the price was $ 141. According to our tests, one cartridge will print approximately 2878 pages of black text, a generous amount. We estimate each cartridge of toner to last at least 10 years—an extra-long time—following a typical printing cadence of 23 text pages per month. After 2 years of typical use, we estimate your total equivalent cost to be $ 406—high among mono laser printers. The theoretical total cost after 5 years is $ 447.
Notes The printer uses up very little space.
Printer Firmware Firmware is software that exists inside the printer. All models are evaluated using the latest firmware version available at the time of testing. The firmware version of the HP LaserJet Pro 4001n was YOSHINXXXN002.2419A.00.
Software The collection of software accompanying the printer may include: the printer driver, printer applications, electronic user manual. These get installed on your personal computer. All models are evaluated with a PC and the Windows operating system, using the latest version of printer software (driver) and printer support apps available at the time of testing. The software version was 8.0.2004.9313.
About the toner, software and firmware Our test results are valid only for the HP-brand toner, and the software and firmware versions indicated. If your printer's software or firmware differ from the ones shown, you either have an older or a newer version of these. Manufacturers may periodically upgrade the printer's firmware to enhance operation, fix bugs, or add features. Firmware updates are downloadable directly to your printer via a wired or wireless network (if internet capable). You can check your printer's firmware version, or upgrade to the latest firmware: Either (1) run the HP printer-update app on the PC, or (2) access the "Settings" section of the printer menu and navigating to the firmware update option. Consult the user manual or HP's website for further guidance.
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