HP LaserJet Pro MFP M521dn Printer


  • Print & Scan Resolution: 1200 x 1200 dpi
  • Letter-Sized Prints at Up to 42 ppm
  • First Page Out in 8 Seconds
  • Copy Resolution of 300 x 300 dpi
  • Fax Speed: 33.6 kbps; 6 Seconds per Page
  • Monthly Duty Cycle: 75,000 Pages
  • ADF for Multipage Scan, Copy, & Fax
Availability: Out of stock



Printing Technology Laser
Print Color Black
Maximum Resolution 1200 x 1200 dpi
Print Speed Letter: 42 ppm
A4: 40 ppm
Toner Cartridge Compatibility CE255A Black LaserJet Toner Cartridge
CE255X Black LaserJet Toner Cartridge
First Print Out Speed 8.0 sec
Duplex Printing Yes
Printer Duty Cycle Monthly: 75,000 A4-prints
Wireless Printing Features HP ePrint, AirPrint or DirectPrint


Scanner Type Flatbed with automatic document feeder
Image Sensor Contact Image Sensor
Optical Resolution 300, 600, or 1200 dpi
Hardware Resolution Flatbed: 1200 x 1200 dpi
ADF: 300 x 300 dpi
Scan Speed Letter:
21 ppm in black & white
15 ppm in color
36 ppm in black & white
14 ppm in color
Maximum Scan Area 8.5 x 11.7″
Scanner Drivers TWAIN Version 1.9
Scan Modes PC Software: Solution Center Lite, Device Stage, or TWAIN and WIA-compliant software
Scan File Format PDF, JPG, PNG, TIFF, HP-Raw, Searchable PDF
Color Depth 24-bit
Grayscale 8 bit for duplex
Duplex Scanning Yes
Scanner Features Duplex scanning from ADF, Scan to USB drive, Scan to network folder ,Scan to email, Scan to cloud, Optimize text/picture, Image adjustments, Output quality setting, Selectable scan resolution: 75-600 dpi


Maximum Resolution 300 x 300 dpi
Copy Speed Letter: 42 ppm
A4: 40 ppm
Maximum Copy Size 8.5 x 11.7″
Duplex Copying Yes
Quantity Up to 99 copies
Reduction / Enlargement 25-400%
Copy Features Number of copies

Multi-page copy
Tray select
Draft mode
Image adjustment
Set as new defaults
Restore defaults


Modem Speed Up to 33.6 kbps
Transmission Speed 6 sec per page
Fax Resolution 300 x 300 dpi
Fax Memory Up to 250 letter-sized pages
Fax Features Auto fax reduction, Auto redialing, Distinctive ring detection supported, Fax forwarding supported, Fax phone TAM interface, Fax polling supported, Junk barrier supported, PC interface supported, Telephone handset supported, Fax telephone mode supported
Paper Handling 100-sheet multipurpose tray, 500-sheet input tray 2, 50-sheet automatic document feeder, 250-sheet output bin, 100-sheet rear output bin
Paper-Feed Method Tray, Automatic document feeder
Paper Capacity Input: Up to 600 sheets or 10 envelopes
Output: Up to 250 sheets or 75 transparencies
Paper Types Paper: Bond, color, letterhead, plain, pre-printed, prepunched, recycled, rough, Envelopes, Labels, Cardstock, Transparencies, User-defined
Paper Sizes Tray 1: 3 x 5″ to 8.5 x 14″ (76 x 127 to 216 x 356 mm)
Tray 2 and Optional Tray 3: 4.1 x 5.8″ to 8.5 x 14″ (105 x 148 mm to 216 x 356 mm)
Media Weight Tray 1: 52 to 199 g/m²
Tray 2: 52 to 120 g/m²
Tray 3: 52 to 120 g/m²
Interfaces USB 2.0, Host USB, 10/100/100 Base-TX Ethernet, Telecom, Phone
OS Compatibility Windows 8, Windows 7 32-bit and 64-bit, Windows Vista 32-bit and 64-bit, Windows XP 32-bit (SP2 or higher)
Driver only installs supported on: Windows Server 2008 32-bit and 64-bit, Windows Server 2003 32-bit (SP3 or higher); Mac OS X v 10.6.8 and later; Linpus Linux (9.4, 9.5), Red Hat Enterprise Linux 5.0 supported with a pre-built package); SUSE Linux (10.3, 11.0, 11, 11.1, 11.2), Fedora (9, 9.0, 10, 10.0, 11.0, 11, 12, 12.0), Ubuntu (8.04, 8.04.1, 8.04.2, 8.10, 9.04, 9.10, 10.04), Debian (5.0, 5.0.1, 5.0.2, 5.0.3) (supported by the automatic installer); HPUX 11 and Solaris 8/9
Windows System Requirements Windows 7 (32-bit/64-bit), Windows Vista (32-bit/64-bit):
1 GHz 32-bit (x86) or 64-bit (x64) processor, 1 GB RAM (32-bit) or 2 GB RAM (64-bit), 400 MB free hard disk space, CD/DVD-ROM or Internet, USB or Network port
Windows XP (32-bit) SP2:
Pentium 233 MHz processor, 512 MB RAM, 400 MB free hard disk space, CD/DVD-ROM or Internet, USB or Network port
Apple System Requirements Mac OS X v 10.6.8 or later, 500 MB hard disk, CD-ROM/DVD-ROM or Internet, USB or Network port
Memory 256 MB
Processor 800 MHz
Fonts 84 scalable TrueType fonts
Printer Language HP PCL 6, HP PCL 5c, HP postscript level 3 emulation, PCLm
Network Protocols Via Built-In Networking Solution:
TCP/IP, IPv4, IPv6
TCP-IP port 9100 Direct Mode, LPD (raw queue support only), Web Services Printing, IPP Print, FTP Print
SLP, Bonjour, Web Services Discovery
IP Config:
IPv4 (BootP, DHCP, AutoIP, Manual), IPv6 (Stateless), SNMPV1/V2/V3
SSL Security and certificate management, 802.1x
Account and System Management Windows:
HP Device Toolbox, Status Alerts (default install), SNP Alerts (minimum network install), HP Web Jetadmin (download)
HP Utility

General Attributes

Control Panel 3.5″ touchscreen control panel with color graphic display, Buttons: Home, Cancel, Help, Right/Left Arrows, Back, LED Indicator Lights: Ready, Error
Image Preview Display 3.5″ (8.89 cm) touchscreen LCD
Power Requirements 110 to 127 VAC (±10%), 50/60 Hz (±2 Hz)
Power Consumption Printing: 760 W, Ready: 18.2 W, Sleep: 4.3 W, Off: 0.3 W
Certifications ENERGY STAR Qualified
Acoustic Noise Acoustic power emissions: 6.7 B(A)
Acoustic power emissions (active copy): 6.8 B(A)
Acoustic power emissions (ready): Inaudible
Acoustic pressure emissions bystander (active copy): 54 dB(A)
Acoustic pressure emissions bystander (active, printing): 54 dB(A)
Acoustic pressure emissions bystander (ready): Inaudible
Temperature / Humidity Operating humidity range: 10 to 80% RH
Non-operating humidity range: 10 to 90% RH
Recommended operating humidity range: 30 to 70% RH
Operating temperature range: 50 to 90.5ºF (10 to 32.5ºC)
Recommended operating temperature range: 50 to 90.5ºF (10 to 32.5ºC)
Storage temperature range: -4 to 104ºF (-20 to 40ºC)
Dimensions (WxHxD) 18.3 x 18.3 x 20.0″ (46.5 x 46.5 x 50.8 cm)
Maximum: 18.3 x 35.4 x 29.5″ (46.5 x 90.0 x 75.0 cm)
Weight 52.7 lb (23.9 kg)

Packaging Info

Package Weight 64 lb
Box Dimensions (LxWxH) 28.9 x 23.4 x 23″


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