The HP OfficeJet 8122e All-in-One Printer has 2 ppm more print speed (ISO/IEC 24734) black than the Epson EcoTank ET-4951 (20 ppm vs 18 ppm). The HP OfficeJet 8122e All-in-One Printer has 1 ppm more print speed (ISO/IEC 24734) colour than the Epson EcoTank ET-4951 (10 ppm vs 9 ppm). The HP OfficeJet 8122e All-in-One Printer has 18,400 pages per month more maximum duty cycle than the Epson EcoTank ET-4951 (20000 pages per month vs 1600 pages per month). Optical scanning resolution: 1200 x 2400 DPI on the Epson EcoTank ET-4951, 1200 x 1200 DPI on the HP OfficeJet 8122e All-in-One Printer. Image formats supported: BMP, JPEG, PICT, TIFF, MTIFF, PNG on the Epson EcoTank ET-4951, BMP, JPG, PNG, TIFF on the HP OfficeJet 8122e All-in-One Printer.
Print speed (ISO/IEC 24734) black
EcoTank ET-4951:18 ppm
OfficeJet 8122e All-in-One Printer:20 ppm
Print speed (ISO/IEC 24734) colour
EcoTank ET-4951:9 ppm
OfficeJet 8122e All-in-One Printer:10 ppm
Optical scanning resolution
EcoTank ET-4951:1200 x 2400 DPI
OfficeJet 8122e All-in-One Printer:1200 x 1200 DPI
Maximum duty cycle
EcoTank ET-4951:1600 pages per month
OfficeJet 8122e All-in-One Printer:20000 pages per month
Print speed (black, normal quality, A4/US Letter)Known for one
—Unknown — not stated by the source
20 ppm
Print speed (colour, normal quality, A4/US Letter)Known for one
—Unknown — not stated by the source
10 ppm
Print speed (black, draft quality, A4/US Letter)Known for one
—Unknown — not stated by the source
29 ppm
Print speed (colour, draft quality, A4/US Letter)Known for one
—Unknown — not stated by the source
25 ppm
Print speed (ISO/IEC 24734) blackDiffers
18 ppm
20 ppm
Print speed (ISO/IEC 24734) colourDiffers
9 ppm
10 ppm
N-in-1 print functionKnown for one
—Unknown — not stated by the source
Yes
Watermark printingKnown for one
—Unknown — not stated by the source
Yes
Booklet printing functionKnown for one
—Unknown — not stated by the source
Yes
Borderless printing
Yes
Yes
Duplex print speed (ISO/IEC 24734, A4) blackKnown for one
7 ppm
—Unknown — not stated by the source
Duplex print speed (ISO/IEC 24734, A4) colourKnown for one
5 ppm
—Unknown — not stated by the source
Time to first page (black, normal)Known for one
8.5 s
—Unknown — not stated by the source
Time to first page (colour, normal)Known for one
13.5 s
—Unknown — not stated by the source
Copyingidentical
CopyingKnown for one
—Unknown — not stated by the source
Colour copying
Copy speed (black, normal quality, A4)Known for one
—Unknown — not stated by the source
25 cpm
Copy speed (colour, normal quality, A4)Known for one
—Unknown — not stated by the source
17 cpm
Copy speed (black, draft, A4)Known for one
—Unknown — not stated by the source
25 cpm
Copy speed (colour, draft, A4)Known for one
—Unknown — not stated by the source
17 cpm
Maximum number of copiesKnown for one
—Unknown — not stated by the source
99 copies
Copier resizeKnown for one
—Unknown — not stated by the source
25 - 400%
ID-card copy functionKnown for one
—Unknown — not stated by the source
Yes
Auto fit functionKnown for one
—Unknown — not stated by the source
Yes
Copy speedKnown for one
Up to12 ipm Black, Up to5 ipm Colour; *Simplex ADF 600 x 600 dpi (ISO/ IEC 24735)
—Unknown — not stated by the source
Scanning2 differ
ScanningKnown for one
—Unknown — not stated by the source
Colour scanning
Optical scanning resolutionDiffers
1200 x 2400 DPI
1200 x 1200 DPI
Maximum scan resolutionKnown for one
—Unknown — not stated by the source
1200 x 1200 DPI
Maximum scan areaKnown for one
—Unknown — not stated by the source
215.9 x 297 mm
Scanner typeKnown for one
—Unknown — not stated by the source
Flatbed scanner
Scan technology
CIS
CIS
Scan toKnown for one
—Unknown — not stated by the source
Software
Scan speed (black)Known for one
—Unknown — not stated by the source
8 ppm
Scan speed (colour)Known for one
—Unknown — not stated by the source
3.5 ppm
Image formats supportedDiffers
BMP, JPEG, PICT, TIFF, MTIFF, PNG
BMP, JPG, PNG, TIFF
Document formats supported
PDF
PDF
Input colour depthKnown for one
—Unknown — not stated by the source
24 bit
Greyscale levelsKnown for one
—Unknown — not stated by the source
256
Scan driversKnown for one
—Unknown — not stated by the source
TWAIN
Duplex scanningKnown for one
Yes
—Unknown — not stated by the source
Duplex scan speed (A4/Letter, black): up toKnown for one
3.5 ppm
—Unknown — not stated by the source
Duplex scan speed (A4/Letter, colour): up toKnown for one
3.5 ppm
—Unknown — not stated by the source
Scan speed (black, normal quality)Known for one
5 ipm with ADF scan 9 sec. with flatbed scan
—Unknown — not stated by the source
Scan speed (colour, normal quality)Known for one
5 ipm with ADF scan 21 sec. with flatbed scan
—Unknown — not stated by the source
Features3 differ
Maximum duty cycleDiffers
1600 pages per month
20000 pages per month
Recommended duty cycleKnown for one
—Unknown — not stated by the source
0 - 800 pages per month
Duplex functionsKnown for one
—Unknown — not stated by the source
Print
Digital senderKnown for one
—Unknown — not stated by the source
Yes
Number of print cartridges
4
4
Printing coloursDiffers
Yellow, Magenta, Cyan, Black
Black, Cyan, Magenta, Yellow
All-In-One-multitaskingKnown for one
—Unknown — not stated by the source
Yes
Country of originDiffers
Philippines
Thailand
Replacement cartridgesKnown for one
—Unknown — not stated by the source
HP 923 Black Original Ink Cartridge (~530pages) 4K0T3LN; HP 923 Cyan Original Ink Cartridge (~400 pages) 4K0T0LN; HP 923 Magenta Original Ink Cartridge (~400 pages) 4K0T1LN; HP 923 Yellow Original Ink Cartridge (~400 pages) 4K0T2LN. Actual yield varies considerably based on content of printed pages
Apple AirPrint, Epson Smart Panel, Epson Connect, Epson Email Print, Epson Remote Print, Epson Scan to Cloud
Mopria Print Service, Apple AirPrint
Performanceidentical
Internal memoryKnown for one
—Unknown — not stated by the source
256 MB
Maximum internal memoryKnown for one
—Unknown — not stated by the source
512 MB
Built-in processorKnown for one
—Unknown — not stated by the source
Yes
Processor frequencyKnown for one
—Unknown — not stated by the source
1200 MHz
Sound power level (printing)Known for one
—Unknown — not stated by the source
6.6 dB
Design2 differ
Built-in display
Yes
Yes
DisplayKnown for one
—Unknown — not stated by the source
CGD
Display diagonalDiffers
6.1 cm (2.4")
6.86 cm (2.7")
Control typeDiffers
Touch
Buttons, Touch
Colour display
Yes
Yes
Product colourKnown for one
Black
—Unknown — not stated by the source
Market positioningKnown for one
Home & office
—Unknown — not stated by the source
Poweridentical
Power consumption (ready)Known for one
—Unknown — not stated by the source
4.07 W
Power consumption (sleep)Known for one
—Unknown — not stated by the source
1.02 W
Power consumption (off)Known for one
—Unknown — not stated by the source
0.11 W
AC input frequencyKnown for one
—Unknown — not stated by the source
50/60 Hz
AC input voltage
100 - 240 V
100 - 240 V
Brand-specific featuresidentical
HP Instant InkKnown for one
—Unknown — not stated by the source
Yes
HP Dynamic securityKnown for one
—Unknown — not stated by the source
Yes
HP Security toolsKnown for one
—Unknown — not stated by the source
SSL/TLS (HTTPS); IPP over TLS; 802.1x Authentication for Ethernet (PEAP and EAP-TLS); WPA2-Enterprise; WPA3-Enterprise; WPA2-Personal; WPA3-Personal; Certificates configuration; Password protect EWS; Unused protocol and service disablement; Signed firmware; Administrator settings
HP GTIN (EAN/UPC)Known for one
—Unknown — not stated by the source
198415788283
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 11.0 Big Sur, Mac OS X 12.0 Monterey, Mac OS X 13.0 Ventura, Mac OS X 14.0 Sonoma, MacOS
Other operating systems supportedKnown for one
—Unknown — not stated by the source
ChromeOS
Operational conditionsidentical
Non-operating altitudeKnown for one
—Unknown — not stated by the source
0 - 4500 m
Operating altitudeKnown for one
—Unknown — not stated by the source
0 - 3000 m
Operating relative humidity (H-H)Known for one
—Unknown — not stated by the source
20 - 80%
Operating temperature (T-T)Known for one
—Unknown — not stated by the source
5 - 40 °C
Storage temperature (T-T)Known for one
—Unknown — not stated by the source
-40 - 60 °C
Recommended humidity operating rangeKnown for one
—Unknown — not stated by the source
25 - 75%
Recommended operating temperature range (T-T)Known for one
—Unknown — not stated by the source
15 - 32 °C
Certificatesidentical
CertificationKnown for one
—Unknown — not stated by the source
CISPR 32:2015 / EN 55032:2015 Class B; CISPR 24:2010 / EN 55024:2010; CISPR 35:2016 / EN 55035:2017+A11:2020; EN 61000-3-2:2014 / IEC 61000-3-2:2014; EN 61000-3-3:2013 / IEC 61000-3-3:2013; EN 301 489-1 V2.2.3; EN 301 489-17 V3.2.4; FCC CFR 47 Part 15 Class B ICES-003, Issue 7; Class B VCCI V-3:2015
Sustainabilityidentical
Sustainability certificatesKnown for one
—Unknown — not stated by the source
ENERGY STAR, Forest Stewardship Council (FSC)
Sustainable technologies and materialsKnown for one
—Unknown — not stated by the source
Contains ocean-bound recycled plastic; Recyclable through HP Planet Partners; FSC Certified Packaging
Weight & dimensions4 differ
WidthDiffers
375 mm
460 mm
DepthDiffers
347 mm
337.5 mm
HeightDiffers
240 mm
233 mm
WeightDiffers
7.3 kg
8 kg
Packaging data4 differ
Package widthDiffers
415 mm
506 mm
Package depthDiffers
510 mm
298 mm
Package heightDiffers
325 mm
408 mm
Package weightDiffers
10.9 kg
10.2 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
255 pages
Included cartridge capacity (CMY)Known for one
—Unknown — not stated by the source
270 pages
Bundled softwareKnown for one
—Unknown — not stated by the source
HP Printer Software
Logistics dataidentical
Harmonized System (HS) codeKnown for one
—Unknown — not stated by the source
8443310000
Technical details1 differ
Box contentsDiffers
1 set of ink (1x 127ml BK, 3x 70ml CMY) + Extra Black, Main unit, Power cable, Quick Setup Guide, Warranty document
NA: HP 923 Setup Black Ink Cartridge; HP 923 Setup Cyan Ink Cartridge; HP 923 Setup Magenta Ink Cartridge; HP 923 Setup Yellow Ink Cartridge; Power Cord; Regulatory Flyer; Ink Caution Flyer; Setup Poster; Reference Guide; EMEA/AP DM: HP 924 Setup Black Ink Cartridge; HP 924 Setup Cyan Ink Cartridge;
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
Colours capacityKnown for one
Black [127ml], Cyan [70ml], Yellow [70ml], Magenta [70ml]
—Unknown — not stated by the source
Other features2 differ
Number of usersDiffers
4 user(s)
5 user(s)
Compatible operating systemsDiffers
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
Windows 11; Windows 10; macOS 11 Big Sur; macOS 12 Monterey; macOS 13 Ventura; macOS 14 Sonoma; Linux; Chrome OS
Manufacturer warrantyKnown for one
—Unknown — not stated by the source
One-year limited hardware warranty with option to extend to two-years with acceptance of HP+ Offer. For more info please visit us at http://support.hp.com . [9]
Number of print headsKnown for one
—Unknown — not stated by the source
4
Power supply typeKnown for one
—Unknown — not stated by the source
Internal (Built-in) Universal Power Supply
Processor frequencyKnown for one
—Unknown — not stated by the source
1.2 GHz
Recommended system requirementsKnown for one
—Unknown — not stated by the source
Microsoft Windows 11; 10; 32-bit or 64-bit; 2 GB available hard disk space; Internet connection; Microsoft Internet Explorer or Edge. Apple macOS v11 Big Sur; macOS v12 Monterey; macOS v13 Ventura; 2 GB HD; Internet required.
Electromagnetic compatibilityKnown for one
—Unknown — not stated by the source
CISPR 32:2015 / EN 55032:2015 Class B; CISPR 24:2010 / EN 55024:2010; CISPR 35:2016 / EN 55035:2017+A11:2020; EN 61000-3-2:2014 / IEC 61000-3-2:2014; EN 61000-3-3:2013 / IEC 61000-3-3:2013; EN 301 489-1 V2.2.3; EN 301 489-17 V3.2.4; FCC CFR 47 Part 15 Class B ICES-003, Issue 7; Class B VCCI V-3:2015
Custom media sizesKnown for one
—Unknown — not stated by the source
Tray 1: 76.2 x 127 to 215.9 x 355.6 mm
UNSPSC-codeKnown for one
—Unknown — not stated by the source
43212110
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
All-in-one functionsKnown for one
Scan, Copy, Fax, Print
—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
Faxidentical
FaxingKnown for one
Colour faxing
—Unknown — not stated by the source
Fax transmission speedKnown for one
3 sec/page
—Unknown — not stated by the source
Modem speedKnown for one
33.6 Kbit/s
—Unknown — not stated by the source
Fax memoryKnown for one
100 pages
—Unknown — not stated by the source
Auto-redialingKnown for one
Yes
—Unknown — not stated by the source
Fax speed dialing (max numbers)Known for one
100
—Unknown — not stated by the source
Fax forwarding toKnown for one
PC
—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.
