Can anybody please tell me what is the range of Unicode printable characters? [e.g. Ascii printable character range is \\u0020 - \\u007f]
Unicode, stict term, has no range. Numbers can go infinite.
What you gave is not UTF8 which has 1 byte for ASCII characters.
As for the range, I believe there is no range of printable characters. It always evolves. Check the page I gave above.