Why does my Brother MFC-J6730DW say 'Wrong Ink Cartridge'?
- AAndrea GonzalezSep 4, 2025
If your Brother All in One Printer displays 'Wrong Ink Cartridge', verify whether the cartridge model number is compatible with your machine.
Why does my Brother MFC-J6730DW say 'Wrong Ink Cartridge'?
If your Brother All in One Printer displays 'Wrong Ink Cartridge', verify whether the cartridge model number is compatible with your machine.
Why is my Brother All in One Printer printing in B&W only?
If your Brother All in One Printer only prints in black and white, it could be due to one or more color ink cartridges being depleted. Replacing these cartridges should solve the problem.
What to do if my Brother All in One Printer shows 'Ink Low'?
If your Brother All in One Printer says 'Ink Low', it means that one or more of the ink cartridges are near the end of their lives. You should order a new ink cartridge.
How to fix paper jam on Brother MFC-J6730DW All in One Printer?
If your Brother All in One Printer displays 'Jam Front/Rear' or similar paper jam errors, remove the jammed paper. If the paper jam repeats, try the paper jam clear operation again. Ensure the paper guides are set to the correct paper size, the paper support is fully inserted, and you aren't putting more than one sheet of paper in the manual feed slot at a time. You may also need to clean the paper pick-up rollers.
How to fix 'Install Ink' error on Brother All in One Printer?
If your Brother All in One Printer displays 'Install Ink', remove the new ink cartridge and re-install it slowly and firmly until it locks into place.
How to resolve 'Paper Size Mismatch' on Brother MFC-J6730DW?
If your Brother All in One Printer displays 'Paper Size Mismatch', verify that the paper size selected on the machine's display matches the paper size in the tray. Ensure the paper is loaded in the proper orientation and the paper guides are set correctly. If printing from a computer, check that the paper size selected in the printer driver matches the paper size in the tray.
What to do if my Brother All in One Printer shows 'High Temperature'?
If your Brother All in One Printer displays 'High Temperature', allow the machine to cool down to room temperature after cooling the room. Try again when the machine has cooled down.
How do I stop repetitive 'No Paper Fed' errors on Brother All in One Printer?
If your Brother All in One Printer displays 'Repetitive No Paper Fed', clean the paper pick-up rollers.
How to fix 'Touchscreen Init. Failed' on Brother All in One Printer?
If your Brother All in One Printer displays 'Touchscreen Init. Failed', ensure nothing is touching the Touchscreen, especially during power on. Debris may be stuck between the lower part of the Touchscreen and its frame.
Why is my Brother MFC-J6730DW All in One Printer not detecting the paper tray?
If your Brother All in One Printer displays 'Paper Tray not detected', slowly push the paper tray completely into the machine. Paper or a foreign object may be preventing the paper tray from being inserted properly.
Duplex printing | Yes |
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Print technology | Inkjet |
Maximum resolution | 4800 x 1200 DPI |
Duplex printing mode | Auto |
Print speed (black, normal quality, A4/US Letter) | 22 ppm |
Print speed (color, normal quality, A4/US Letter) | 20 ppm |
Copier resize | 25 - 400 % |
Maximum number of copies | 99 copies |
Scanner type | ADF scanner |
Maximum scan area | 295 x 429.8 mm |
Maximum scan resolution | 19200 x 19200 DPI |
Optical scanning resolution | - DPI |
Optical scanning resolution (black) | 600 x 600 ppi |
Optical scanning resolution (color) | 600 x 300 ppi |
Faxing | Color faxing |
Fax memory | 200 pages |
Modem speed | 33.6 Kbit/s |
Fax forwarding to | PC |
Fax speed dialing (max numbers) | 100 |
Digital sender | - |
Printing colors | Black, Cyan, Magenta, Yellow |
Maximum duty cycle | - pages per month |
Display | LCD |
Control type | Touch |
Product color | Black |
Market positioning | Home & office |
Paper input type | Paper tray |
Total input capacity | 250 sheets |
Total output capacity | 100 sheets |
Maximum input capacity | 501 sheets |
Auto document feeder (ADF) input capacity | 50 sheets |
Envelopes sizes | C5, Com-10, DL, Monarch |
Paper tray media types | Glossy paper, Plain paper, Recycled paper |
Non-ISO print media sizes | Folio (media size), Ledger (media size), Legal (media size), Letter (media size) |
ISO A-series sizes (A0...A9) | A3, A4, A5, A6 |
ISO B-series sizes (B0...B9) | B4, B5, B6 |
Photo paper sizes (imperial) | 9x13, 10x15, 13x18 \ |
Maximum ISO A-series paper size | A4 |
Wi-Fi standards | 802.11b, 802.11g, Wi-Fi 4 (802.11n) |
Cabling technology | 10/100Base-T(X) |
Security algorithms | 64-bit WEP, 128-bit WEP, WPA-AES, WPA-PSK, WPA-TKIP, WPA2-AES, WPA2-PSK, WPA2-TKIP |
Ethernet LAN data rates | 10, 100 Mbit/s |
Internal memory | 128 MB |
Standard interfaces | Ethernet, USB 2.0 |
AC input voltage | 220 - 240 V |
AC input frequency | 50 - 60 Hz |
Power consumption (off) | 0.04 W |
Power consumption (ready) | 6 W |
Power consumption (sleep) | 1.6 W |
Power consumption (copying) | 28 W |
Power consumption (average operating) | - W |
Mac operating systems supported | Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.9 Mavericks |
Server operating systems supported | Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016 |
Windows operating systems supported | Windows 10, Windows 7, Windows 8, Windows 8.1, Windows Vista |
Depth | 477 mm |
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Width | 575 mm |
Height | 374 mm |
Instructions and benefits of registering the product online with Brother.
Access to frequently asked questions and troubleshooting tips via the Brother Solutions Center.
Contact information for customer service in the USA and Canada.
Details on available ink cartridges and paper types for ordering.
Instructions for performing high-speed copying and scanning using the ADF or glass.
Guide to using Brother iPrint&Scan for mobile device connectivity and control.
Steps to scan and upload to web services or use Brother Apps.
Instructions on how to access the online user guides via the website or Brother Utilities.
Guidance on downloading the latest drivers and firmware from the Brother Solutions Center.
Information regarding the manual's compilation, publication, and rights.
Details the machine's control panel elements, including the touchscreen, buttons, and dial pad.
Describes the different home screens and navigation on the touchscreen interface.
Notifies about new information from Brother via the information bar.
Guide to launching Brother Utilities for accessing installed applications on Windows.
Instructions for uninstalling Brother software and drivers on Windows.
Instructions for loading paper into the machine's paper trays.
Guidance on loading paper into the manual feed slot.
How to adjust the paper size setting in the machine's menu.
Detailed steps for loading Letter or A4 size paper into the machine's paper trays.
Instructions for loading larger paper sizes like Ledger, Legal, or A3 into the trays.
Steps for loading special print media into the manual feed slot.
How to set paper size and type for optimal print quality and feeding.
Configure settings to confirm paper size and type when loading trays.
Recommendations for Brother paper types and their corresponding items for best print quality.
Guidelines for storing and handling print media to prevent issues.
Instructions for placing documents in the ADF for scanning or copying.
Steps for placing single documents on the scanner glass for fax, copy, or scan.
Instructions for printing documents from a computer using Windows or Macintosh.
Details advanced printing features like duplex and N-in-1 printing.
Guide to previewing and printing photos stored on a USB flash drive.
Overview of temporary print settings and how to save defaults.
Steps for making copies of documents using the machine.
Details additional copy features like resizing and two-sided copying.
Preliminary checks and requirements before performing scanning operations.
Instructions for scanning documents from a Windows computer.
Guide to using ControlCenter4 for scanning with advanced options.
Steps for initiating scans directly from the machine's control panel.
Essential steps and considerations before sending or receiving faxes.
How to set the machine's Station ID for fax identification.
Guidance on dealing with phone line interference and VoIP compatibility for faxing.
Description of various modes for receiving faxes automatically or manually.
Helps select the appropriate receive mode based on connected devices and services.
Configure the F/T ring time for voice calls in Fax/Tel mode.
Adjust the number of rings before the machine automatically answers calls.
Instructions for storing fax numbers and addresses in the machine's address book.
Methods for editing or removing entries from the address book.
Overview of using telephone services and connecting external devices like TADs.
Detailed instructions for sending faxes directly from the machine.
Guide to sending faxes from a computer using the PC-FAX feature.
How to receive and manage faxes on your computer using Brother's PC-FAX software.
Steps for cleaning the scanner glass and ADF scanner strip.
Procedure to print and check the print quality for nozzle issues.
Adjusting print alignment to fix blurred text or misaligned images.
Initial steps to diagnose and resolve common machine issues.
Lists common error and maintenance messages and their solutions.
Solutions for issues related to sending and receiving faxes.
Detailed instructions for clearing various types of document and paper jams.
Instructions for using the touchscreen keyboard to enter text on the machine.
How to check the machine's serial number, firmware version, and update firmware.
Guide to resetting machine settings to factory defaults or specific categories.
Details the available reset functions: Machine Reset, Network, Address Book & Fax, All Settings.
Information on ink cartridge yields, replacement supplies, and Innobella products.