This page describes how to use an Iomega ZIP parallel port drive in Ubuntu.
All that is required is to add the ppa kernel module for parallel ports. First verify that the module isn't already specified - the following command should not print anything:
grep ppa /etc/modules
Then add the module:
sudo sh -c "echo ppa > /etc/modules"
Now reboot your system.
After reboot, you should be able to see your ZIP drive in the list of devices when running: