Brother MFC 9840 Toner Cartridges

The Brother MFC-9840 is a bulky, box-like printer with a flatbed scanner on its top. The control panel and small screen, both are placed at the top for easy access. The scanner possesses an optical resolution of 1200 x 2400, and the printer boasts a speed of 21 ppm for both black and white and coloured prints. This all-in-one laser machine is aimed at small workgroups, so the specifications are robust as well as offering colour print.

This 530 X 533 X 520-dimensional machine comes with an advanced duplexer of the Brother MFC-9840, which can automatically print on two sides of the page and helps in reducing paper waste. The same duplexer feature allows 2-sided scanning, copying, and faxing. The compatible Brother MFC 9840 Toner Cartridges are all high-capacity and save your money in the long run. Thanks to the USB direct interface, this Brother MFC-9840, 38kg bulky machine can print even without a computer. Also, its Automatic Document Feeder (ADF) is designed for office use, too. The Brother MFC-9840 does not have memory card slots and cannot print directly from a camera.

• Duplexer
• Automatic Document Feeder
• High capacity Brother MFC 9840 Toner Cartridges
• USB Direct

• No memory card slot

The compatible cartridges are:

• Brother TN135BK Black Toner Cartridge
• Brother TN135C Cyan Toner Cartridge
• Brother TN135M Magenta Toner Cartridge
• Brother TN135Y Yellow Toner Cartridge

The all-in-one Brother machine supplies its wireless setup wizard, which is controlled from the MFC-9840’s control panel and chases out all the wireless networks within range. It’s then just a question of picking the right one and the machine is available on the network. It is suitable for workgroups and small businesses. By using the Brother MFC 9840 Toner Cartridges, the Brother MFC-9840 provides a handy solution for average printing requirements. This laser printer boasts faxing, scanning, and copying features and has a built-in network for easy sharing with multiple computers.

How to prevent vertical colour streaks and bands on a printed document while using Brother MFC 9840 Toner Cartridges?

Consider the following instructions if vertical colour streaks or bands appear on the printed page.

• Turn off the machine, disconnect the telephone line cords, disconnect all cables from the Machine and then unplug the power cords from the AC power source.
• Lift the cover of the machine. Clean the white plastic surface and scanner glass with a soft lint-free cloth or glass cleaner.
• In the ADF unit, clean the white bar and scanner glass strip with a soft cloth.
• Plug the cables back to the machine and turn it off.

• Turn off the machine, disconnect the telephone line cords, disconnect all cables from the Machine and then unplug the power cords from the AC power source.
• Press the front cover release button to release the cover.
• Lift the drum unit by holding its green handle and pull it out until it stops.
• Hold the handle of the cartridge and pull it out of the drum unit.
• Repeat the above step for all the Brother MFC 9840 Toner Cartridges.
• Push to release the latches of white corona wire cover and then open the cover.
• Clean the corona wire inside the drum unit by gently sliding the green tab from left to right and vice versa.
• Close the Corona wire and repeat the same steps for all the corona wires.
• Slide the toner cartridge into the drum unit by holding the handle of the toner cartridge and make sure to match the toner cartridge colour to the same colour label on the drum unit, and ensure that the toner cartridge is in place. Repeat this for all the toner Brother MFC 9840 Toner Cartridges.
• Push the drum unit until it stops.
• Close the front cover of the machine.
• Plug the printer's power cords back into the AC power source and then reconnect all the cables.