Get & Setup Red-Hat/SUSE Brother FAX-1840C FAX Drivers
The Guide Include Links to Download and Install the Brother Printer FAX-1840C FAX Drivers for CentOS/Oracle/Fedora/OpenSUSE and others Red-Hat-Enterprise Linux or SUSE Linux Based OSs.
Brother furnish two different Drivers format for Linux: LPR & CUPS. The Brother CUPSwrapper driver is built on top of the LPR driver.
To Finalize the Brother Printer/Fax Installation for Linux opensuse/Ubuntu Linux like You will Need to Install Both the LPR and CUPS Drivers.