Yes, you can print with this printer from your laptop using a USB cable. You do not need an internet connection as the connection is made directly via the USB cable.

Yes, it supports A4 paper. The printer handles plain paper sizes including A4, A5, B5, Letter, and Legal, along with photo paper sizes like 10x15cm and 13x18cm. Note: While the in-house data lists smaller photo paper sizes (10x15cm, 9x13cm), official specifications confirm A4 support for plain paper. For photo printing, borderless A4 is not explicitly listed, but custom sizes up to 215.9mm width (A4 is 210mm) are supported.

The printer comes with ink cartridges. The box contains everything you need to get started, including the FINE cartridges.