This is a user's guide for MFC-8440, MFC-8840D and MFC-8840DN, which introduces the functions and usage of the product.
This guide provides essential information for owners of the Brother MFC-8440, MFC-8840D, and MFC-8840DN multifunction printers. It includes model and serial number registration, contact details for customer service in the USA and Canada, and instructions for ordering genuine Brother accessories and supplies.
The manual also details the one‑year limited warranty terms for both the United States and Canada, outlines the fax‑back system for quick technical help, and lists important safety and warranty disclaimer notices. Additional sections cover equipment attachment limitations and provide contact information for Brother International Corporation.
| Standard toner cartridge | TN-540, prints up to 3,500 pages |
|---|---|
| High‑yield toner cartridge | TN-570, prints up to 6,700 pages |
| Drum unit | DR-510 |
| Power protector (2‑outlet) | QPD120 |
| Power protector (8‑outlet) | Fx120 |
Register the product online at http://www.brother.com/registration or by completing the warranty registration sheet and faxing it to Brother.
The machine is covered by a one‑year limited warranty from the original purchase date.
Call 1‑800‑284‑4329 (voice) or 1‑901‑379‑1215 (fax) for general support, or 1‑800‑284‑3238 for TTY service.