There are lots of printers, so it is difficult to be comprehensive. Epson and HP printers are generally supported, whereas Canon and Lexmark printers have only spotty support. In the "Related links" section below is a database of printers and whether they are supported or not in Linux.
no
The Lexmark x502n is not listed in the CUPS database. Given the track record that Lexmark printers have with Linux, the printer is likely unsupported.
Yes, HP printers should work for almost any type of computer. Now if you narrow it down to operating systems, most modern HP printers should work with Windows XP and Vista, some HP printers may not work with OSX and support is limited for Linux.
Samba.
Yes. It is supported by the foo2xqx driver.
Printers in the x5400 series are unsupported by any version of Linux, and will probably remain so, due to Lexmark's refusal to provide Linux drivers for their printers.
All thermal printers which work on heating system are ink less printers. Mainly these kinds of printers use at ATM machines, billing stores ETC.
No, Linux and windows both work fine
Samba Server is the Linux implementation of SMB, or Server Message Block. It is utilized for network sharing of files and printers.
The only product McAfee has for Linux is McAfee LinuxShield. It is intended for large businesses with Linux servers, to prevent Windows viruses from passing through the system.
Linux is an open system, Unix is not.
Yes. Linux is a computer operating system.