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High speed workgroup printer, powerful enough for the most demanding print environments
- 43ppm print speed
- 1200dpi Print Resolution - PCL & PS3
- 500Mhz Processor, Network Ready
- Duplex as standard (4551ND)
- 150,000 page monthly duty cycle
- Up to 2100 Sheet Paper Capacity

- Increased efficiency with high speed document output
- Cut paper usage with inbuilt duplex function
- Keep confidential documents safe with secure print feature
- Reduce downtime with a high capacity toner cartridge
- Maintain productivity levels by expanding on-line paper capacity


Efficient and economical mono printing for the most demanding working environments
Download ML-4551N & ML-4551ND brochure
(PDF - Adobe Acrobat required)
SmarThru™ web based utility for remote device management
Toner Save Button reduces toner usage by up to 40%
Job Management System allows users to remotely monitor the progress of print jobs through to completion
| ML-4551N | ML-4551ND | ||
| Speed | Up to 43 ppm in A4 | Up to 43 ppm in A4 | |
| Resolution | Up to 1,200 x 1,200 dpi effective output | Up to 1,200 x 1,200 dpi effective output | |
| First Print Out Time | 8.5 seconds (from Ready) | 8.5 seconds (from Ready) | |
| Controller | Processor | Samsung 500 MHz | Samsung 500 MHz |
| Memory | 128 MB (Max. 512 MB) | 128 MB (Max. 512 MB) | |
| Emulation | PS3, PCL6, IBM ProPrinter, EPSON, PDF Direct | PS3, PCL6, IBM ProPrinter, EPSON, PDF Direct | |
| Interface | Hi-Speed USB 2.0, IEEE 1284 Parallel, Ethernet 10/100 Base TX | Hi-Speed USB 2.0, IEEE 1284 Parallel, Ethernet 10/100 Base TX | |
| Fonts | 45 Scalable, 1 Bitmap, 136 PS3, OCR Fonts | 45 Scalable, 1 Bitmap, 136 PS3, OCR Fonts | |
| OS Compatibility | Windows 98/Me/NT4.0/2000/XP(32/64bit)/2003 Server(32/64bit), Various Linux OS including Red Hat 8~9, Fedora Core 1~3, Mandrake 9.2~10.1 and SuSE 8.2~9.2, Mac OS 8.6~9.2/10.1~10.4 | Windows 98/Me/NT4.0/2000/XP(32/64bit)/2003 Server(32/64bit), Various Linux OS including Red Hat 8~9, Fedora Core 1~3, Mandrake 9.2~10.1 and SuSE 8.2~9.2, Mac OS 8.6~9.2/10.1~10.4 | |
| Paper Handling | Input Capacity and Types | 500-sheet Cassette Tray, 100-sheet MP Tray | 500-sheet Cassette Tray, 100-sheet MP Tray |
| Output Capacity and Types | 250-sheet Face Down, 100-sheet Face Up | 250-sheet Face Down, 100-sheet Face Up | |
| Duplex | Optional | Built-in | |
| Media size | 76 x 127 mm (3" x 5") ~ 216 x 356 mm (8.5" x 14") | 76 x 127 mm (3" x 5") ~ 216 x 356 mm (8.5" x 14") | |
| Special Media | Transparency, Label, Post Card, Envelope | Transparency, Label, Post Card, Envelope | |
| General | Net Dimension (W x D x H) | 396 x 453 x 353 mm (15.6" x 17.8" x 13.9") | 396 x 526 x 353 mm (15.6" x 20.7" x 13.9") |
| Packing Dimension (W x D x H) | - | - | |
| Net Weight | 17.83 Kg (39.3 lbs) | 17.83 Kg (39.3 lbs) | |
| Packing Weight | |||
| Noise Level ** | Less than 57 dBA (Printing) Less than 35 dBA (Standby) | Less than 57 dBA (Printing) Less than 35 dBA (Standby) | |
| Consumables | Type | Single Cartridge | Single Cartridge |
| Yield | - Standard: Average Cartridge Yield 10K standard pages. - High Yield: Average cartridge yield 20K standard pages. * Declared cartridge yield in accordance with ISO/IEC 19752. | - Standard: Average Cartridge Yield 10K standard pages. - High Yield: Average cartridge yield 20K standard pages. * Declared cartridge yield in accordance with ISO/IEC 19752. | |
| Model Code | - ML-D4550A - ML-D4550B | - ML-D4550A - ML-D4550B | |
| Options | Network | N/A | N/A |
| Others | - 3x500-sheet Cassette Tray - Memory : 128 MB, 256MB - Duplex Unit - 40GB Hard Disk | - 3x500-sheet Cassette Tray - Memory : 128 MB, 256MB - 40GB Hard Disk | |

Our wide range of service options includes:
insurance and extended warranties our corporate service programme


















