Brother MFCL3770CDW Owner's Manual

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9. Slide the toner cartridge and drum unit assemblies into the machine. Make sure that you match the toner

cartridge color to the same color label on the machine.

10. Close the machine's top cover.

• After replacing a toner cartridge, DO NOT turn off the machine or open the top cover until the machine's

display returns to Ready Mode.

• The toner cartridge that comes with your Brother machine is a Starter toner cartridge.

• We recommend keeping a new toner cartridge ready for use when you see the Toner Low warning.

• To ensure high quality printing, we recommend using only Genuine Brother Brand toner cartridges.

When you want to buy toner cartridges, contact Brother Customer Service or your local Brother dealer.

• DO NOT unpack the new toner cartridge until you are ready to install it.

• If a toner cartridge is left unpacked for a long time, the toner life will be shortened.

• Brother strongly recommends you DO NOT refill the toner cartridge provided with your machine. We

also strongly recommend you continue to use only Genuine Brother Brand replacement toner

cartridges. Use or attempted use of third-party toner and/or cartridges in the Brother machine may

cause damage to the machine and/or may result in unsatisfactory print quality. Our limited warranty

coverage does not apply to any problem that is caused by the use of third party toner and/or cartridges.

To protect your investment and obtain premium performance from the Brother machine, we strongly

recommend the use of Genuine Brother Supplies.

Related Information

• Replace Supplies

Brother MFCL3770CDW