Under Edgy Eft:
getweb 1020 sudo su arm2hpdl sihp1020.img > /usr/share/foo2zjs/firmware/sihp1020.dl
See https://launchpad.net/distros/ubuntu/+source/foo2zjs/+bug/65618
Because of UDEV script problem, install
http://www.freestandards.org/~till/tmp/ubuntu/edgy/foo2zjs/binary/foo2zjs_20060625dfsg-2ubuntu1_i386.deb
This will be fixed in Feisty Fawn.