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 TechnologyLaser
Print ColorBlack
Maximum Resolution1200 x 1200 dpi
Print SpeedLetter: 42 ppm
A4: 40 ppm
Toner Cartridge CompatibilityCE255A Black LaserJet Toner Cartridge
CE255X Black LaserJet Toner Cartridge
First Print Out Speed8.0 sec
Duplex PrintingYes
Printer Duty CycleMonthly: 75,000 A4-prints
Wireless Printing FeaturesHP ePrint, AirPrint or DirectPrint


Scanner TypeFlatbed with automatic document feeder
Image SensorContact Image Sensor
Optical Resolution300, 600, or 1200 dpi
Hardware ResolutionFlatbed: 1200 x 1200 dpi
ADF: 300 x 300 dpi
Scan SpeedLetter:
21 ppm in black & white
15 ppm in color
36 ppm in black & white
14 ppm in color
Maximum Scan Area8.5 x 11.7″
Scanner DriversTWAIN Version 1.9
Scan ModesPC Software: Solution Center Lite, Device Stage, or TWAIN and WIA-compliant software
Scan File FormatPDF, JPG, PNG, TIFF, HP-Raw, Searchable PDF
Color Depth24-bit
Grayscale8 bit for duplex
Duplex ScanningYes
Scanner FeaturesDuplex 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 Resolution300 x 300 dpi
Copy SpeedLetter: 42 ppm
A4: 40 ppm
Maximum Copy Size8.5 x 11.7″
Duplex CopyingYes
QuantityUp to 99 copies
Reduction / Enlargement25-400%
Copy FeaturesNumber of copies

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


Modem SpeedUp to 33.6 kbps
Transmission Speed6 sec per page
Fax Resolution300 x 300 dpi
Fax MemoryUp to 250 letter-sized pages
Fax FeaturesAuto 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 Handling100-sheet multipurpose tray, 500-sheet input tray 2, 50-sheet automatic document feeder, 250-sheet output bin, 100-sheet rear output bin
Paper-Feed MethodTray, Automatic document feeder
Paper CapacityInput: Up to 600 sheets or 10 envelopes
Output: Up to 250 sheets or 75 transparencies
Paper TypesPaper: Bond, color, letterhead, plain, pre-printed, prepunched, recycled, rough, Envelopes, Labels, Cardstock, Transparencies, User-defined
Paper SizesTray 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 WeightTray 1: 52 to 199 g/m²
Tray 2: 52 to 120 g/m²
Tray 3: 52 to 120 g/m²
InterfacesUSB 2.0, Host USB, 10/100/100 Base-TX Ethernet, Telecom, Phone
OS CompatibilityWindows 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 RequirementsWindows 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 RequirementsMac OS X v 10.6.8 or later, 500 MB hard disk, CD-ROM/DVD-ROM or Internet, USB or Network port
Memory256 MB
Processor800 MHz
Fonts84 scalable TrueType fonts
Printer LanguageHP PCL 6, HP PCL 5c, HP postscript level 3 emulation, PCLm
Network ProtocolsVia 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 ManagementWindows:
HP Device Toolbox, Status Alerts (default install), SNP Alerts (minimum network install), HP Web Jetadmin (download)
HP Utility

General Attributes

Control Panel3.5″ touchscreen control panel with color graphic display, Buttons: Home, Cancel, Help, Right/Left Arrows, Back, LED Indicator Lights: Ready, Error
Image Preview Display3.5″ (8.89 cm) touchscreen LCD
Power Requirements110 to 127 VAC (±10%), 50/60 Hz (±2 Hz)
Power ConsumptionPrinting: 760 W, Ready: 18.2 W, Sleep: 4.3 W, Off: 0.3 W
CertificationsENERGY STAR Qualified
Acoustic NoiseAcoustic 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 / HumidityOperating 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)
Weight52.7 lb (23.9 kg)

Packaging Info

Package Weight64 lb
Box Dimensions (LxWxH)28.9 x 23.4 x 23″


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