TASKalfa 2551ci

  • Compact and productive, a mark of high functionality
  • A4 copy/print speed up to 25 cpm (Mono/Color)
  • Fast first copy time in 6.2 seconds for mono and 8.1 seconds for color and warm up time 30 seconds or less
  • Three types of optional Document Processor with up to 175 sheets paper stacking capacity*
  • Support A6 original scanning from Document Processor with dual scan speed up to 100 ipm A4 Mono/Color*
  • Standard 160GB hard disk capacity and 3GB RAM to meet heavy duty tasks without additional hard drive
  • Inner Job Separator as standard
  • Low energy consumption design with intelligent device recovery systems
 * When using optional Document Processor DP-772


“Blank Page Skip” Demonstration

“Covers & Page Inserts” Demonstration

“Form Overlay” Demonstration

“Prevent Bleed Through” Demonstration

Catalog PDF Download
3 MB


Main Function Copy, Print, Scan, Fax (Optional)
Writing Method Semiconductor Laser
CPU P1022 (Dual Core) / 800MHz
Print Speed (A4) , Mono/Color 25/25 cpm
Scanning Speed (A4) 300dpi , DP-770(B) (Mono/Color) , Simplex 65/65 ipm
Scanning Speed (A4) 300dpi , DP-770(B) (Mono/Color) , Duplex 39/39 ipm
Scanning Speed (A4) 300dpi Dual Scan , DP-772 (Mono/Color) , Simplex 70/70 ipm
Scanning Speed (A4) 300dpi Dual Scan , DP-772 (Mono/Color) , Duplex 100/100 ipm
Scanning Speed (A4) 300dpi , DP-773 (Mono/Color) , Simplex 48/48 ipm
Scanning Speed (A4) 300dpi , DP-773 (Mono/Color) , Duplex 15/15 ipm
Memory/ HDD Capacity 3.5GB/160GB
Warm Up Time 30 seconds
Paper Capacity , Standard 2 x 500 sheets (Cassette) + 100 sheets (MPT)
Paper Capacity , Maximum 4,100 sheets (Main Unit + PF-810 + MPT)
Paper Size , Cassette Min. A5R - Max. A3 / Ledger
Paper Size , MPT Min. A6R - Max. A3 / Ledger
Paper Weight , Cassette 60 to 256 g/m²
Paper Weight , MPT 60 to 256 g/m²
Duplex Printing Paper size: A5R / Statement to A3 / Ledger; Paper weight: 60 to 220 g/m²
Control Panel 8.5 inch Color Touch LCD Panel
Dimension (W x D x H) (Main Unit) 594 mm x 737 mm x 745 mm
Weight (Main Unit) Approx. 87.5kg
Power Consumption (Standard configuration) , Copy/Print Mode Mono or Color: 550W or less
Power Consumption (Standard configuration) , Stand-by Mode 130W or less
Power Consumption (Standard configuration) , Energy Saver 1.7W or less
Noise (ISO7779/ ISO9296) , Copy/Print Mode Mono: 67.75dB(A), Color: 68.5dB(A)
Noise (ISO7779/ ISO9296) , Stand-by Mode 47dB(A)

Print Functions

Resolution 600 x 600 dpi; 9600 x 600 dpi level
PDL PRESCRIBE, PCL6 (PCL-5e, PCL-XL), KPDL3 (PostScript 3 compatible), XPS, PDF Direct Print
First Print Out Time (Mono/Color) 6.9/9.1 seconds
Supported Protocol NetBEUI, FTP, LPR, Port 9100, IPP, IPP over SSL, WSD Print
Operating System Supported Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10; Apple Macintosh OS 10.x
Interface USB2.0 High Speed x1; 1000BASE-T/100BASE-TX/10BASE-T; USB Host interface (USB Host) x4
USB Memory Printing Standard
USB Memory Printing Format TIFF, JPEG, PDF, XPS
e-MPS Printing Job retention and Custom Box function

Copy Functions

Copy Size Max. A3 (Ledger) - Min. A6R
Resolution 600 x 600 dpi
First Copy Time (Mono/Color) 6.2/8.1 seconds
Zoom Ratio , Manual 25% to 400% (1% Step)
Zoom Ratio , Pre-defined 5R5E
Multiple Copy 1 to 999

Scan Functions

Color Selection Auto Color (Color/Gray); Auto Color (Color/B&W); Full Color; Grayscale; Black & White
Resolution 600dpi, 400dpi, 300dpi, 200dpi, 200x100dpi, 200x400dpi
File Format TIFF, JPEG, XPS, PDF, High-compression PDF, Searchable PDF (Optional)
Image Type Mode Text, Photo, Text + Photo
Transmission Type Scan to PC (SMB); Scan to E-mail (SMTP); Scan to FTP or FTP over SSL; Scan to USB; TWAIN Scan; WSD Scan
Address Storage 2,000 addresses (Common address list), 500 groups (Group address list)


Fax Functions (Optional)
Original Size Max. A3(Ledger) – Min. A5 (Statement)
Coding Method MMR, MR, MH, JBIG
Transmission Speed 33.6/31.2/28.8/26.4/24.0/21.6/19.2/16.8/14.4/12.0/9.6/7.2/4.8/2.4 kbps
Memory Standard: 12MB; Maximum: 120MB (with optional fax memory)
G3 FAX/ DUAL FAX/ Network FAX Yes
  • 2014 BLI Highly Recommended
  • Blue Angel eco label


2014 BLI Highly Recommended Blue Angel Energy Star