Printing The HP Laserjet MFP M140w 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 was reasonably fast, 5 pages took 21 seconds, costing 5.4 cents per page. The mono graphics printing is poor—choose another printer for that purpose. If any color ink runs out, it stops printing—it can't be set to just use the remaining black ink. If the black ink runs out, it stops printing—it can't be set to just use the remaining color ink. The capacity of the main paper tray is 150 sheets, a typical amount.
Scanning and Copying This is a multi-function printer. Scanning performance was OK, but had a few noticeable flaws. It can scan or copy paper up to letter.
Controls and Display The printer has a monochrome display screen 0.9-inch diagonal size.
Connectivity and Networking It can print documents via USB and WiFi.
Cost of Ownership and Toner When this page was last updated, the printer's purchase price was about $170, low for a all-in-one black and white laser printer. Printing uses up toner and the costs add up over time. This printer uses one (1) cartridge. When the ink runs low, you replace the empty cartridge. The toner we used in testing was the HP 141A cartridge—at the time, the price was $54. We estimate each cartridge of toner to last at least 3 years—a reasonable amount of time—following a typical monthly printing amount of 26 text pages. After 2 years of typical use, we estimate your total equivalent cost to be $204—low for a monochrome laser. The estimated yearly cost is $17, which is high for a monochrome laser type of printer. The theoretical total cost after 5 years is $254. 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.
Software The collection of software accompanying the printer may include: the printer driver, printer applications, electronic user manual and scanning, faxing, and OCR apps. 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 NP.
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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