Questions about Brother Hl-3140cw

No, unfortunately that is not possible.

Have you checked whether the printer is set to offline in the printer queue of windows (use printer offline)? If so, remove this check mark and the printer will be put online again.

Yes, the product comes with toners.

Toner Toner C/M/Y/K for approx. 1000 pages according to ISO/IEC 19798 https://www.brother.de/alte-geraete/drucker/hl-3140cw

Been asked before https://www.digitec.ch/de/s1/QuestionAndAnswer/ich-nehme-mal-an-dass-dieser-drucker-auch-mit-windows-10-funktioniert-oder-denn-in-der-techn-beschre-26056

Duplex printing is not possible with this printer. The next similar one with duplex printing would be the following. Brother HL-3150CDW (Laser/LED, WLAN, colour, duplex printing)

Looking at specifications can often still be helpful ;) Product dimensions Length 46.50 cm Width 41 cm Height 24 cm Weight 17.40 kg

Yes, it works without any problems. Setting up the WLAN connection on the printer is a bit fiddly. The printer has an excellent price/performance ratio!

Yes, Windows 10 is also supported. The latest drivers are available on the manufacturer's website: http://support.brother.com/g/b/downloadtop.aspx?c=ch&lang=de&prod=hl3140cw_us_eu