Brother MFC-7420 User's Guide
![Brother MFC-7420 manual cover](/images/DeAWjTdXmiNFeXAgRCoWJZay/thumbs/thumb175x175.webp)
To set up the Brother MFC-7420, unbox the printer, connect the power cord, and install the toner cartridge. Load paper into the tray and connect the printer to your computer via USB. Install the driver software from the Brother website or the CD provided. Follow the on-screen instructions to complete the setup.
If the printer is not printing, check that it is powered on and connected to your computer. Ensure there is no paper jam and that the toner and drum units are correctly installed. Verify that the printer driver is installed correctly and that the printer is set as the default printer. Restart the printer and your computer if necessary.
To clear a paper jam in the Brother MFC-7420, turn off the printer and open the front cover. Carefully remove any jammed paper, ensuring no pieces are left inside. Check the paper tray and output tray for any additional jams. Once cleared, close the cover and turn the printer back on.
To replace the toner cartridge, open the front cover and remove the drum unit. Push down the green lock lever and remove the used toner cartridge. Unpack the new toner and install it into the drum unit. Slide the drum unit back into the printer and close the cover.
If the printer is printing blank pages, check that the toner cartridge is not empty and is installed properly. Ensure that the drum unit is not damaged. Confirm that the document you are trying to print is not blank. If issues persist, reinstall the printer driver.
Regular maintenance tasks for the Brother MFC-7420 include cleaning the scanner glass, replacing the toner cartridge when needed, cleaning the corona wire inside the drum unit, and checking for firmware updates. This helps maintain print quality and prolongs the printer's lifespan.
To scan a document, place it on the scanner glass or in the automatic document feeder (ADF). Open the Brother ControlCenter software on your computer. Select 'Scan' and choose your desired scan settings. Click 'Start' to begin scanning. Save the scanned document to your computer when prompted.
To improve print quality, ensure you use the correct paper type and that it is loaded properly. Clean the corona wire on the drum unit and make sure the toner cartridge is not low or empty. If lines or smudges appear, clean the scanner glass and check for any firmware updates.
A "Drum Error" indicates the drum unit needs attention. Open the front cover and remove the drum unit and toner cartridge assembly. Clean the corona wire and ensure the drum unit is correctly installed. If the error persists, consider replacing the drum unit with a new one.
The Brother MFC-7420 does not have built-in network capability. To print over a network, connect the printer to a computer and share it on the network. Alternatively, use a print server that supports USB connections to integrate the printer into a network.