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Product comparison · 2 multifunction printers

Brother MFC-7420 multifunction printer Laser A4 vs Brother MFC-7840W multifunction printer Laser A4

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  • 40specifications compared
  • 18differ
  • 22identical
  • 39known for one product only

Key differences

  • Print speed (black, normal quality, A4/US Letter)
    • 20 ppm
    • 22 ppm
  • Copying
    • No
    • Mono copying
  • Maximum copy resolution
    • 600 x 300 DPI
    • 600 x 600 DPI
  • Copy speed (black, normal quality, A4)
    • 20 cpm
    • 22 cpm
  • Greyscale levels
    • 64
    • 256
  • Fax memory
    • 400 pages
    • 500 pages
  • Standard interfaces
    • Parallel, USB 2.0
    • USB 2.0
  • Internal memory
    • 16 MB
    • 32 MB

Side by side

Differences highlightedShow differences only
79 specifications
A

Brother

MFC-7420 multifunction printer Laser A4

Model MFC-7420

View product
B

Brother

MFC-7840W multifunction printer Laser A4

Model MFC-7840W

View product
Printing1 differ
Print technologyLaserLaser
PrintingNoNo
Maximum resolution600 x 2400 DPI600 x 2400 DPI
Print speed (black, normal quality, A4/US Letter)Differs20 ppm22 ppm
Warm-up timeKnown for one18 s
Time to first page (black, normal)10 s10 s
Copying3 differ
CopyingDiffersNoMono copying
Maximum copy resolutionDiffers600 x 300 DPI600 x 600 DPI
Copy speed (black, normal quality, A4)Differs20 cpm22 cpm
Maximum number of copiesKnown for one99 copies
Copier resizeKnown for one25 - 400%
N-in-1 copy function (N=)Known for one2, 4, 9, 16, 25
PC free copyingKnown for oneYes
Scanning1 differ
ScanningColour scanningColour scanning
Input colour depth24 bit24 bit
Greyscale levelsDiffers64256
Optical scanning resolutionKnown for one600 x 2400 DPI
Maximum scan resolutionKnown for one9600 x 9600 DPI
Scanner typeKnown for oneFlatbed scanner
Fax1 differ
FaxingMono faxingMono faxing
Fax memoryDiffers400 pages500 pages
Auto-redialingYesYes
Fax speed dialing (max numbers)200200
Fax forwardingKnown for oneYes
Auto reductionYesYes
Error Correction Mode (ECM)Known for oneYes
Fax broadcasting258 locations258 locations
Fax coding methodsKnown for oneMH, MMR, MR
Modem speedKnown for one14.4 Kbit/s
Fax speed (A4)Known for one6 sec/page
Featuresidentical
Digital senderNoNo
Country of originChinaChina
Maximum duty cycleKnown for one10000 pages per month
Input & output capacityidentical
Multi-Purpose trayKnown for oneYes
Multi-Purpose tray input capacityKnown for one1 sheets
Auto document feeder (ADF)YesYes
Auto document feeder (ADF) input capacity35 sheets35 sheets
Maximum input capacityKnown for one250 sheets
Maximum output capacity100 sheets100 sheets
Total input capacityKnown for one250 sheets
Paper handlingidentical
Maximum ISO A-series paper sizeA4A4
ISO A-series sizes (A0...A9)Known for oneA4, A5, A6
ISO B-series sizes (B0...B9)Known for oneB5, B6
Multi-Purpose Tray media weightKnown for one60 - 163 g/m²
Media weight (tray 1)Known for one60 - 105 g/m²
Maximum print sizeKnown for one210 x 297 mm
Ports & interfaces1 differ
Standard interfacesDiffersParallel, USB 2.0USB 2.0
USB portYesYes
USB 2.0 ports quantityKnown for one1
Parallel ports quantityKnown for one1
Networkidentical
Wi-FiKnown for oneYes
Ethernet LANKnown for oneYes
Supported network protocols (IPv4)Known for oneIPv4, IPv6
Performance1 differ
Internal memoryDiffers16 MB32 MB
Sound pressure level (printing)53 dB53 dB
Sound power level (standby)Known for one32 dB
Mac compatibilityYesYes
Designidentical
Market positioningHome & officeHome & office
Poweridentical
Power consumption (average operating)Known for one320 W
Power consumption (PowerSave)Known for one12 W
Power consumption (standby)Known for one75 W
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Weight & dimensions4 differ
WidthDiffers490 mm550 mm
DepthDiffers491 mm520 mm
HeightDiffers540 mm510 mm
WeightDiffers11.7 kg11.1 kg
Packaging data1 differ
Package weightDiffers14.1 kg14.9 kg
Other features5 differ
Networking featuresKnown for one10/100 Base-TX Ethernet
Dimensions (WxDxH)Differs432 x 395 x 294 mm428 x 396 x 304 mm
All-in-one functionsDiffersFax, ScanCopy, Fax, Scan
Colour all-in-one functionsScan, NoScan, No
Compatible operating systemsDiffersWindows 98/98SE/Me/2000/NT/XP Mac OS 9.1-9.2 + Mac OS X 10.2.4Windows Vista/XP-Home/2003/2000 Mac OS X 10.2.4 & later Linux printer driver
EmulationsKnown for onePCL6, BR-Script 3
Network readyDiffersNoYes
Wireless technologyKnown for oneIEEE802.11b/g
Package dimensions (WxDxH)Differs550 x 495 x 500 mm550 x 510 x 454 mm
Media types supportedKnown for onePlain, Recycled, Envelopes, Transparency, Bond, Labels
Standard media sizesKnown for oneA4, LTR, EXE, A5, A6, B5, B6
Operational conditionsidentical
Operating relative humidity (H-H)Known for one20 - 80%

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.

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