HP LaserJet Pro MFP M521 series - Product comparison

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Product comparison

M521dn

A8P79A

M521dw

A8P80A

Paper handling

Tray 1 (100-sheet capacity)

Tray 2 (500-sheet capacity)

Optional Tray 3 (500-sheet
capacity)

Standard output bin (250-sheet
capacity)

Rear output bin (50-sheet
capacity)

Automatic duplex printing

Supported operating
systems

Windows XP, 32-bit, Service
Pack 2 and greater

Windows Vista, 32-bit and 64-
bit

Windows 7, 32-bit and 64-bit

Windows 2003 Server (32-bit,
Service Pack 1 or greater), print
and scan drivers only

Windows 2008 Server (32-bit,
64-bit, and R2), print and scan
drivers only

Mac OS X v10.6.8 and later

Connectivity

Hi-Speed USB 2.0

10/100/1000 Ethernet LAN
connection

Wireless network connection

Memory

256 MB RAM

Control-panel display

Color graphical touch screen

Print

Prints 40 pages per minute (ppm)
on A4-size paper and 42 ppm
on Letter-size paper

Walk-up USB printing (no
computer required

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Chapter 1 Product introduction

ENWW

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M521dn

A8P79A

M521dw

A8P80A

Copy

Copies at up to 20 ppm

Copy resolution is 300 dots per
inch (dpi)

This document feeder holds up to
50 pages and supports page
sizes from 127 to 356 mm (5 to
14 in) in length and from 127 to
216 mm (5 to 8.5 in) in width

Flatbed scanner supports page
sizes up to 297 mm (11.7 in) in
length and up to 215 mm (8.5
in) in width

Automatic duplex copying

Scan

Scans in black and white with
resolution up to 1200 dpi from
the flatbed glass

Scans in color with resolution up
to 300 dpi from the document
feeder and up to 600 dpi from
the flatbed glass

Automatic duplex scanning

Scan to Email (no software
required)

Scan to Network Folder (no
software required)

Walk-up USB scanning (no
computer required)

Fax

V.34 with two RJ-11 fax ports

ENWW

Product comparison

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