1. Do you need network feature like lan , wifi etc.
NO, this is for a small office with 2 computers. So just normal connection will do.
2. Whats the expected prints PM.
Mostly excel docs, ms word docs. Not any images or photos.
3. Do you need fax feature.
Yes. It is a requirement for the office, won't get much fax.
4. Do you need AF feature.
This is Auto Feed ? Printing on role of paper (paper with holes on side). Don't need this. Most docs are printed on A4 paper.
5. Does it matter on size.
No. Only price and features. Printer, Scanner and FAX. Any other features like copier is not important.