Smart Functionality for the
Forward-Looking Workplace


Model MX-6051/5051 MX-4051/3551/3051/2651
Type Desktop
Engine speed A4 (8 1/2" x 11")*1 Max. 60/50 ppm Max. 40/35/30/26 ppm
A3 (11" x 17") Max. 27/26 ppm Max. 20 (19)/18/16/15 ppm
SRA3 Max. 26/24 ppm Max. 18/16/15/15 ppm
Control panel display 10.1-inch colour LCD touchscreen
Paper size Max. SRA3 (12" x 18"), min. A5 (5 1/2" x 8 1/2"*2)
Paper capacity
(80 g/m2)
Standard 650 sheets
(550-sheet tray and 100-sheet multi-bypass tray)
Maximum 6,300 sheets
(650 sheets & optional 550 + 2,100-sheet tray and 3,000-sheet tray)
Paper weight Tray 60 g/m2 to 300 g/m2 (16 lbs bond to 110 lbs cover)
Multi-bypass tray 55 g/m2 to 300 g/m2 (13 lbs bond to 110 lbs cover)
Warm-up time*3 Colour: 31 sec.*4    B/W: 26 sec.*4 20 sec.*4
Memory 5 GB (copy/print shared)    500 GB HDD*5
Power requirements Rated local AC voltage ±10%, 50/60 Hz
Power consumption Max. 2.07 kW (220 V to 240 V) Max. 1.84 kW (220 V to 240 V), max. 1.65 kW (110 V)
Dimensions (W x D x H)*6 608 x 650 x 834 mm (23 15/16" x 25 19/32" x 32 27/32")
Weight (approx.) 82 kg (180.8 lbs) 79 kg (174.2 lbs)


Model MX-6051/5051 MX-4051/3551/3051/2651
Original paper size Max. A3 (11" x 17")
First copy time*7 Colour: 4.8 sec.    B/W: 3.7 sec. Full colour: 6.7 sec.    B/W: 4.7 sec.
Continuous copy Max. 9,999 copies
Resolution Scan (colour) 600 x 600 dpi
Scan (B/W) 600 x 600 dpi, 600 x 400 dpi
Print (colour) 600 x 600 dpi, 9,600 (equivalent) x 600 dpi (depending on copy mode)
Print (B/W) 1,200 x 1,200 dpi*8, 600 x 600 dpi, 9,600 (equivalent) x 600 dpi (depending on copy mode)
Gradation Equivalent to 256 levels
Zoom range 25% to 400% (25% to 200% using RSPF) in 1% increments
Preset copy ratios Metric: 10 ratios (5R/5E), inch: 8 ratios (4R/4E)


Model MX-6051/5051 MX-4051/3551/3051/2651
Scan method Push scan (via control panel), pull scan (TWAIN-compliant application)
Scan speed*9 Colour & B/W Max. 80 originals/min.
Resolution Push scan 100, 150, 200, 300, 400, 600 dpi
Pull scan 75, 100, 150, 200, 300, 400, 600 dpi
50 dpi to 9,600 dpi via user setting*10
File formats TIFF, PDF, PDF/A-1a*11, PDF/A-1b, encrypted PDF, XPS, compact PDF*12*13, JPEG*13, searchable PDF*11, OOXML (pptx, xlsx, docx)*11, text (TXT [UTF-8])*11, rich text (RTF)*11
Scan destinations Scan to e-mail/desktop*14/FTP server/network folder (SMB)/USB drive/HDD

Document Filing

Model MX-6051/5051 MX-4051/3551/3051/2651
Document filing capacity*15 Main and custom folders: 20,000 pages or 3,000 files
Quick file folder: 10,000 pages or 1,000 files
Stored jobs*16 Copy, print, scan, fax
Storage folders Quick file folder, main folder, custom folder (max. 1,000 folders)


Model MX-6051/5051 MX-4051/3551/3051/2651
Resolution 1,200 x 1,200 dpi*8, 600 x 600 dpi, 9,600 (equivalent) x 600 dpi
Interface USB 2.0 (host, high-speed), 10Base-T/100Base-TX/1000Base-T, wireless LAN (IEEE 802.11 b/g/n)*17
Supported OS*18 Windows Server® 2008, Windows Server® 2008 R2, Windows Server® 2012, Windows Server® 2012 R2, Windows Server® 2016, Windows Server® 2019, Windows® 7, Windows® 8.1, Windows® 10,
Mac OS 10.6, 10.7, 10.8, 10.9, 10.10, 10.11, 10.12, 10.13, 10.14, 10.15
Network protocols TCP/IP
Printing protocols LPR, Raw TCP (port 9100), POP3 (e-mail printing), HTTP, FTP for downloading print files, IPP, SMB, WSD
PDL Standard PCL 6 emulation
Option Adobe® PostScript® 3
Available fonts 80 fonts for PCL, 139 fonts for Adobe PostScript 3

Facsimile (requires optional MX-FX15)

Model MX-6051/5051 MX-4051/3551/3051/2651
Compression method MH/MR/MMR/JBIG
Communication protocol Super G3/G3
Transmission time Less than 3 seconds*19
Modem speed 33,600 bps to 2,400 bps with automatic fallback
Transmission resolution From Standard (203.2 x 97.8 dpi) to Ultra Fine (406.4 x 391 dpi)
Recording size A3 to A5 (11" x 17" to 5 1/2" x 8 1/2")
Memory 1 GB (built-in)
Greyscale levels Equivalent to 256 levels

  • MX-5051 shown with optional equipment.
Long-edge feeding.
Only short-edge feeding can be used with 5 1/2" x 8 1/2" paper.
In a standard measurement environment. May vary depending on operating conditions and environment.
When starting the MFP via the power button. 45 sec. (colour) and 40 sec. (B/W) for the MX-6051/5051 and 33 sec. (colour & B/W) for the MX-4051/3551/3051/2651 when starting via the main power switch.
HDD capacity depends on procurement and sourcing status.
Including adjusters and protuberances.
Long-edge feeding of A4 (8 1/2" x 11") sheets from 1st paper tray, using document glass, without Auto Colour Selection and Auto Colour mode, MFP in fully ready condition. May vary depending on operating conditions and environment.
Based on Sharp’s A4 standard chart, using document feeder, long-edge feeding, and one-sided scanning. Using factory default settings with Auto Colour Selection off. Scan speed will vary depending on the type of document and the scan settings.
Resolution will vary depending on the size of the scanned area.
Requires optional MX-EB20.
Requires optional MX-EB19.
Colour/greyscale only.
Requires Network Scanner Tool Lite.
Storage capacity will vary depending on the type of document and the scan settings.
Some features require optional equipment.
Requires optional MX-EB18. Availability of this option varies by country/region.
Requires optional MX-PK13 for Mac OS.
Based on Sharp’s standard chart with approx. 700 characters (A4 or 8 1/2" x 11" long-edge feeding) at standard resolution in Super G3 mode, 33,600 bps, JBIG compression.
  • Design and specifications are subject to change without prior notice.
  • Adobe and PostScript 3 are either registered trademarks or trademarks of Adobe in the US and/or other countries. Microsoft, Windows Server, and Windows are either registered trademarks or trademarks of Microsoft Corporation in the US and/or other countries. QR Code is a registered trademark of DENSO WAVE INCORPORATED in Japan and other countries. Dropbox is a trademark or registered trademark of Dropbox, Inc. Gmail and Android are trademarks of Google LLC. Mac is a trademark of Apple Inc., registered in the US and other countries. PCL is a registered trademark of Hewlett-Packard Company. Qualcomm DirectOffice is a product of Qualcomm Technologies, Inc. and/or its subsidiaries. Qualcomm is a trademark of Qualcomm Incorporated, registered in the US and other countries. DirectOffice is a trademark of CSR Imaging US, LP, registered in the US and other countries. All other brand names and product names may be trademarks or registered trademarks of their respective owners.

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