What does Fax Machine look like on Google?

On Google it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.

When did Google add Fax Machine?

Google first drew Fax Machine in Android 4.3, released July 24, 2013.

Google LLC has shipped 21 versions of Fax Machine. Each is dated, so you can see when the design changed.

Google Android 5.0

Google shipped a new design for Fax Machine in Android 5.0, released November 12, 2014. The previous design is shown beside it.

✳ marks a release that redrew this emoji. The rest re-shipped the design unchanged.

What does Fax Machine look like on Google?: On Google it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.
When did Google add Fax Machine?: Google first drew Fax Machine in Android 4.3, released July 24, 2013.
How many times has Google redrawn Fax Machine?: Google LLC has shipped 21 versions of Fax Machine. Each is dated, so you can see when the design changed.