M C251FW Designed for business productivity These compact A4 printers were made with your business productivity in mind. They combine exceptional functionality with low total cost of ownership, and allow you to print immaculate double-sided colour and black and white prints at a productive up to 25 pages per minute. Key Features Prints up to 25 ppm 4.3″ touch operation panel 6,900 sheets black toner yield Automatic Toner Delivery Specifications
| Functions | Copy, print, scan, fax |
| Colour | Yes |
| Memory – Standard | 256 MB |
| Operation Panel | 4.3" touch operation panel |
| Physical Dimensions (WxDxH) – Mainframe | 420 x 493 x 473 mm |
| Weight – Mainframe | 30 kg |
| Standard Input Capacity (Sheets) | 251 |
| Maximum Input Capacity (Sheets) | 751 |
| Standard Output Capacity (Sheets) | 150 |
| Maximum Output Capacity (Sheets) | 150 |
| Paper Input Configuration – Standard | 250-sheet paper input tray, 1-sheet bypass tray, 50-sheet SPDF, duplex unit |
| Paper Output Configuration – Standard | 150-sheet paper output tray |
| Supported Media | Standard and bypass trays: Plain paper 1, Plain paper 2, Recycled paper, Middle thick paper, Thick paper 1, Thick paper 2, Thin paper, Colour paper, Letterhead, Pre-printed, Pre-punched Paper, Labels, Bond, Cardstock, Envelope |
| Paper Feed Unit | Plain paper 1, Plain paper 2, Recycled paper, Middle thick paper, Thin paper, Thick paper 1, Colour paper, Letterhead, Pre-printed, Pre-punched paper |
| Maximum Paper Size | A4 |
| Media Weight (g/m2) | 60–163 |
| Interfaces – Standard | 10Base-T/100Base-TX (Ethernet), USB 2.0, IEEE 802.11 a/b/g/n/ac (Wireless LAN, 2.4 GHz/5 GHz1), Wi-Fi Direct |
| Network Protocols – Standard | TCP/IP, IPP, Bonjour |
| Copy Speed | 25 cpm |
| First Copy Time | 20 seconds or less |
| Copy Resolution | 600 x 600 dpi—platen, 300 x 600 dpi—SPDF |
| Zoom Range | 25%–400% in 1% steps |
| Enlargement Ratios | 122%, 141%, 200%, 400% |
| Reduction Ratios | 93%, 82%, 71%, 50% |
| Duplex Copy | Standard—supports A4, B5, Legal, Letter, Executive, Foolscap, Folio, 16K |
| Book Copy | Not supported |
| ID Card Copy | Supported—2 in 1 only, A4, Letter |
| Print Speed Colour | 25 ppm—simplex, 13.5 ppm—duplex |
| Print Speed Black and White | 25 ppm—simplex, 13.5 ppm—duplex |
| First Print Time | 9.8 seconds in colour, 9.4 seconds in black and white |
| Print Resolution | 600 x 600 dpi (2,400 x 600 dpi equivalent) |
| Page Description Languages (PDLs) | PCL 5c, PCL 6, PostScript3 emulation |
| Printer Drivers | PCL 5c, PCL 6, PostScript3 |
| Duplex Printing | Standard |
| Mobile Printing | AirPrint, Mopria®, RICOH Smart Device Connector, Wi-Fi-Direct |
| Scan Speed | 24 seconds—black and white, 40 seconds—colour |
| Scan Methods | Scan to USB/SD, Scan to email, Scan to folder (SMB, FTP) |
| Colour Scanning | Standard |
| Scan Resolution – Copy | 600 x 600 dpi—platen, 300 x 600 dpi—SPDF |
| Scan Resolution – Scan | 100 x 100 dpi, 150 x 150 dpi, 200 x 200 dpi, 300 x 300 dpi, 400 x 400 dpi, 600 x 600 dpi, 1,200 x 1,200 dpi |
| TWAIN | 75–19,200 dpi—platen, 75–600 dpi—SPDF |
| Scan to File Types | Single- and multi-page TIFF, single- and multi-page PDF, single-page JPEG (greyscale) |
| Scan to Email | Protocols: SMTP gateway, TCP/IP; Authentication: SMTP authentication, POP3 before SMTP; Scan Resolution: 100 x 100 dpi, 150 x 150 dpi, 200 x 200 dpi, 300 x 300 dpi (default), 400 x 400 dpi, 600 x 600 dpi; Scan to Email File Types: Single-page: TIFF, JPEG, PDF; Multi-page: TIFF, PDF |
| Scan to Folder | Protocols: SMB, FTP; Authentication: GSS API, NTLM v1/v2; Resolution: 100 x 100 dpi, 150 x 150 dpi, 200 x 200 dpi, 300 x 300 dpi (default), 400 x 400 dpi, 600 x 600 dpi; Scan to Folder File Types: Single-page: TIFF, JPEG, PDF; Multi-page: TIFF, PDF |
| TWAIN Scanning | Scan Mode: Colour, Black and white, Greyscale; Scan Resolution: 75 dpi, 100 dpi, 150 dpi, 200 dpi, 300 dpi, 400 dpi, 500 dpi, 600 dpi, 1,200 dpi, 2,400 dpi, 4,800 dpi, 9,600 dpi, 19,200 dpi (Max 19,200 dpi selectable with soft processing) |
| Fax Types | Internet fax (T.37), LAN-Fax |
| Fax Circuit | PSTN, PBX |
| Fax Compatibility | T.30 (ITU-T Super G3) |
| Fax Modem Speed | 33.6 Kbps–2,400 bps with Auto Fallback |
| Fax Compression Methods | MH, MR, MMR, JBIG |
| Fax Resolution | Standard: 8 x 3.85 lines/mm, 200 x 100 dpi; Detail, Photo: 8 x 7.7 lines/mm, 200 x 200 dpi |
| G3 Fax Transmission Speed | Approx. 3 seconds |
| Fax SAF Memory Capacity | 8 x 3.85 lines/mm, approximately 100 pages by ITU-T # 1 chart |
| Fax Memory Backup | 2.5 MB, 100 pages stored with MMR, ITU-T # 1 standard |
| Quick Dials | Quick Dials: 20 locations—name (20 digits), number (40 digits), email (64 digits); Speed Dials: 200 locations—name (20 digits), number (40 digits), email (64 digits) |
| Authentication | User code authentication—available on Locked print; Wireless LAN security—WEP 64-bit, WEP 128-bit and AES, TKIP/AES, WPA; Network user authentication; Secure Print |
| Windows | Windows 8.1, 10, Server 2012/2012 R2, Server 2016, Server 2019, Server 2022 |
| Macintosh | OS X Native v10.10–11, 12 |
| Standard | @Remote, Web Image Monitor |
| Optional | Device Manager NX Lite, Device Manager NX Accounting |
| Mobile Apps | RICOH Smart Device Connector |
| Power Source | 220–240 V, 50/60 Hz—Asia Pacific; 110 V, 60 Hz—Taiwan |
| Power Consumption | 1,300 W or less—maximum (guaranteed); 422 W—black and white printing (nominal); 444 W—colour printing (nominal); 35.4 W—Ready Mode (nominal); 26.5 W—Mode 1, Energy Saver Mode (nominal); 0.74 W—Mode 2, Energy Saver Mode (nominal) |
| TEC* | 0.31 kWh—nominal, 0.35 kWh—guaranteed |
| Warm-up Time | 20 seconds |
| Green Labels | Energy Efficiency Labelling Scheme (Hong Kong), ErP, Lot6 |

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