The Xerox C255a Laser A4 has 1.9 s more time to first page (black, normal) than the Epson EcoTank ET-4951 (10.4 s vs 8.5 s). The Epson EcoTank ET-4951 has 2.8 s more time to first page (colour, normal) than the Xerox C255a Laser A4 (13.5 s vs 10.7 s). The Xerox C255a Laser A4 has 48,400 pages per month more maximum duty cycle than the Epson EcoTank ET-4951 (50000 pages per month vs 1600 pages per month). Maximum resolution: 4800 x 1200 DPI on the Epson EcoTank ET-4951, 2400 x 600 DPI on the Xerox C255a Laser A4. Optical scanning resolution: 1200 x 2400 DPI on the Epson EcoTank ET-4951, 600 x 600 DPI on the Xerox C255a Laser A4.
TCP/IP: HTTP/HTTPS, IPP, LPR/LDP, Raw Socket Printing/Port 9100, IPv4/IPv6, MS Web Services WSD-Print, 802.1x, Simple Network Management Protocol (SNMP), ThinPrint, Microsoft Universal Print, Bonjour
Mobile printing technologiesDiffers
Apple AirPrint, Epson Smart Panel, Epson Connect, Epson Email Print, Epson Remote Print, Epson Scan to Cloud
Apple AirPrint, Google Cloud Print, Mopria Print Service
Performanceidentical
Internal memoryKnown for one
—Unknown — not stated by the source
1000 MB
Built-in processorKnown for one
—Unknown — not stated by the source
Yes
Processor frequencyKnown for one
—Unknown — not stated by the source
1000 MHz
Sound pressure level (printing)Known for one
—Unknown — not stated by the source
51 dB
Design1 differ
Product colourDiffers
Black
White, Black
Market positioning
Home & office
Home & office
Built-in display
Yes
Yes
Display diagonalKnown for one
6.1 cm (2.4")
—Unknown — not stated by the source
Control typeKnown for one
Touch
—Unknown — not stated by the source
Colour displayKnown for one
Yes
—Unknown — not stated by the source
Power1 differ
Power consumption (printing)Known for one
—Unknown — not stated by the source
386 W
Power consumption (standby)Known for one
—Unknown — not stated by the source
0.8 W
Energy Star Typical Electricity Consumption (TEC)Known for one
—Unknown — not stated by the source
0.29 kWh/week
AC input frequencyKnown for one
—Unknown — not stated by the source
47-63 Hz
AC input voltageDiffers
100 - 240 V
110 - 240 V
System requirementsidentical
Windows operating systems supportedKnown for one
—Unknown — not stated by the source
Windows 10, Windows 11
Mac operating systems supportedKnown for one
—Unknown — not stated by the source
Mac OS X 15.0 Sequoia, Mac OS X 14.0 Sonoma
Server operating systems supportedKnown for one
—Unknown — not stated by the source
Windows Server 2022, Windows Server 2019, Windows Server 2016
Operational conditionsidentical
Operating relative humidity (H-H)Known for one
—Unknown — not stated by the source
15 - 80%
Operating temperature (T-T)Known for one
—Unknown — not stated by the source
10 - 32.2 °C
Sustainabilityidentical
Sustainability certificatesKnown for one
—Unknown — not stated by the source
ENERGY STAR, EPEAT, SCS Product Category Rule (PCR)
Weight & dimensions4 differ
WidthDiffers
375 mm
411 mm
DepthDiffers
347 mm
400 mm
HeightDiffers
240 mm
345 mm
WeightDiffers
7.3 kg
19.5 kg
Packaging data4 differ
Package widthDiffers
415 mm
515 mm
Package depthDiffers
510 mm
560 mm
Package heightDiffers
325 mm
450 mm
Package weightDiffers
10.9 kg
24 kg
Quantity per packKnown for one
1 pc(s)
—Unknown — not stated by the source
Packaging contentidentical
Cartridge(s) includedKnown for one
—Unknown — not stated by the source
Yes
Included cartridge capacity (black)Known for one
—Unknown — not stated by the source
750 pages
Included cartridge capacity (CMY)Known for one
—Unknown — not stated by the source
500 pages
Cables includedKnown for one
—Unknown — not stated by the source
AC
Drivers includedKnown for one
—Unknown — not stated by the source
Yes
Other featuresidentical
Processor frequencyKnown for one
—Unknown — not stated by the source
1 GHz
Printing methodKnown for one
Epson PrecisionCore
—Unknown — not stated by the source
Standard input traysKnown for one
250-sheet paper tray
—Unknown — not stated by the source
Number of usersKnown for one
4 user(s)
—Unknown — not stated by the source
All-in-one functionsKnown for one
Scan, Copy, Fax, Print
—Unknown — not stated by the source
Compatible operating systemsKnown for one
Mac OS X 10.9.5 or later, Windows 10 (32/64 bit), Windows 11, Windows 7 (32/64 bit), Windows 8 (32/64 bit), Windows 8.1 (32/64 bit), Windows Server 2008 (32/64bit), Windows Server 2008 R2, Windows Server 2012 (64bit), Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2
—Unknown — not stated by the source
EmulationsKnown for one
ESC/P-R
—Unknown — not stated by the source
InterfaceKnown for one
USB, Ethernet, Wi-Fi Direct, Wireless LAN IEEE 802.11a/b/g/n/ac(Wi-Fi 5)/k/v/r
—Unknown — not stated by the source
Colour printing technologyKnown for one
Pigment black and Dye colour Inks
—Unknown — not stated by the source
Ink dropKnown for one
3.3 pl
—Unknown — not stated by the source
Page yield high capacity (black & white)Known for one
15,100 pages
—Unknown — not stated by the source
Page yield high capacity (colour)Known for one
5,500 pages
—Unknown — not stated by the source
Print head nozzlesKnown for one
400 Nozzles Black, 128 Nozzles per Color
—Unknown — not stated by the source
Print speedKnown for one
35 pages/min Monochrome (plain paper 75 g/m²), 23 pages/min Colour (plain paper 75 g/m²)
—Unknown — not stated by the source
Technical detailsidentical
Safety warningKnown for one
Contains 1,2-benzisothiazol-3(2H)-one. May produce an allergic reaction.<br>Contains 2,4,7,9-tetramethyldec-5-yne-4,7-diol. May produce an allergic reaction.<br>Always follow the information on the product label.
—Unknown — not stated by the source
Box contentsKnown for one
1 set of ink (1x 127ml BK, 3x 70ml CMY) + Extra Black, Main unit, Power cable, Quick Setup Guide, Warranty document
—Unknown — not stated by the source
Colours capacityKnown for one
Black [127ml], Cyan [70ml], Yellow [70ml], Magenta [70ml]
—Unknown — not stated by the source
A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.
