The HP LaserJet Pro MFP M521dn ($899.99 direct) is a quietly impressive beast. Designed as a mono laser workhorse, with a 75,000 page per month maximum duty cycle and a 6,000 page per month recommended maximum, it can print and fax from, as well as scan to, a computer, including over a network, and...

High-quality text; Prints; Scans; Faxes; Copies; Direct email sender.

Graphics output is at the low end of par for a mono laser multi-function printer.

Overall this printer and fax component are great. Unfortunately scanning is horrible. It doesn't matter if you have a couple pages or 50 pages it will constantly jam and take you 25 minutes to successfully scan a couple pages.

The HP LaserJet Pro MFP M521dn is a quietly impressive beast. Designed as a mono laser workhorse, with a 75,000 page per month maximum duty cycle and a 6,000 page per month recommended maximum, it can print and fax from, as well as scan to, a computer – including over a network – and it can work as...

High quality text output; Duplex scanning and copying; Good paper handling; Impressive overall feature set

Graphics output isn't so hot; Can't scan in duplex for faxing

The HP LaserJet Pro MFP M521dn monochrome laser MFP is slower than expected for its rated speed, but it's strong on text quality and paper handling, particularly for scanning. (4 out of 5) Editor's Choice Pros High-quality text Prints Scans Faxes Copies Direct email sender Scans both sides of a page...

High-quality text; Prints; Scans; Faxes; Copies; Direct email sender; Scans both sides of a page at once

Graphics output is at the low end of par for a mono laser multi-function printer; Can't scan in duplex for faxing

Beware this machine is LOUD! It sounds like propellers starting up. My office is approximately 16x20 and this machine is too loud for my space. They scanning feature is incredibly slow. It seems the machine needs time to calibrate each time you perform an action. It does not get better or faster.

Affordable

is a high-end home office laser printer. The printer features duplex printing, ePrint, automatic document feeder, as well as, the typical multiple function features, fax, copy, and scan. Additional features include touch screen access to business apps and HP ePrint.

Have had this printer for 4 months and had 8 service calls on it already. Boards have been replaced and yet it cannot reliably work for a week without developing a new issue. HP has not been supportive when called or emailed, so we're eating the cost and getting something else.

Small footprint; HP PCL support

Unreliable; Have to change fax settings on device, not via UI setup; Non-descriptive error messages

The major plus for me is that I can put a stack of 3.5x5 cards in the manual tray instead of feeding them one at a time, and it prints on heavy cardstock with a straight print path if you open the rear door.

I have got this thing fixed for more than 5 times in last two months and still is not working fine.

Do buy this printer if you need to print >400 pages on daily basis. Personally speaking this is the printer you shall consider for economy and fast printing. At my office we need to print at-least >400 pages a day and sometimes 5-7 whole bundles of Copy-Power this is the product that meets our...