This is the user manual of Brother FAX-1840C, FAX-1940CN, MFC-3240C and MFC-3340CN
This guide covers registration, warranty terms, customer service contacts, and accessory information for the Brother FAX-1840C and MFC-3240C fax/multifunction machines. It explains how to register the product online, outlines the one‑year limited warranty for the machine and 90‑day coverage for consumables, and lists phone numbers for U.S. and Canadian support.
The manual also includes a list of recommended accessories such as ink cartridges, power protectors, and telephone line cords, as well as technical notes like the Ringer Equivalence Number limit and equipment attachment restrictions for use in the United States and Canada.
| Ringer Equivalence Number limit | Maximum 5 |
|---|---|
| Ink Cartridge Standard Black | Prints up to 500 pages |
| Power Protector QPD120 | 2 outlets |
The machine is covered by a one‑year limited warranty; consumables are covered for 90 days.
Call 1‑800‑284‑4329 for voice support in the United States.
The total REN of devices connected to the telephone interface must not exceed five.