Configure the IP address of the Xerox Phaser 3125N printer to connect the Xerox Phaser 3125N printer to the network line and turn on the power. Press and hold the Cancel key on the printer until the printer prints the Configuration page. Write down the MAC Address. Then, use the Set IP tool on a Windows host to configure the IP Address based on the MAC Address. Note that Xerox Phaser 3125N printing has no LCD screen and only one Cancel button, so there is no way to configure IP Address on the printer. Install and configure CUPS
Follow these steps: $ sudo pacman-S -- needed cups ghostscript gsfonts
$ Sudo rc. d start cupsd
$ Sudo vim/etc/rc. conf
(Add cupsd to DAEMONS) download Xerox Phaser 3125N Printer Driver
Follow these steps: (http://www.support.xerox.com/support/phaser-3125/downloads-fx/enus.html? OperatingSystem = win7x64)
$ Wget unzip Phaser_3125_W7.zip. After decompression, the Printer/PS/English/WinXP_VISTA_64/xp3125.ppd file is obtained. Add Xerox Phaser 3125N printer to CPUS
Enter localhost: 631 in the address bar of the Chromium browser. The Home-CUPS 1.6.1 page is displayed. Click Adding Printers and Classes. The Administration-CPUS 1.6.1 page is displayed. Click Add Printer. The Add Printer-CUPS 1.6.1 page is displayed.
Click Coutinue in, And the next page of Add Printer-CUPS 1.6.1 appears. Enter the Name, Description, and Location items in the project, and click Coutinue. The next page of Add Printer-CUPS 1.6.1 appears. Click "select file" in and select the xp3125.ppd file obtained in the previous step. Click Add Printer. Printer added. Click Printers on the Home-CUPS 1.6.1 page. The Printers-CUPS 1.6.1 page is displayed. In Xerox-3125, the Xerox-3125-CUPS 1.6.1 page appears. Select Maintenance-> Set Default Options in, and the Set Printer Options-CUPS 1.6.1 page appears. Click General in the displayed General page, change PageSize to A4, and then click Set Default Options.
Success. Reference ArchWiki: CUPSXeror: Phaser 3125 SupportXeror Phaser 3125N A4 black/white laser printer