Bug #658579, comment #11 shows many missing IEEE1284 DeviceIDs.
gutenprint-5.2.6-2.fc14 has been submitted as an update for Fedora 14. https://admin.fedoraproject.org/updates/gutenprint-5.2.6-2.fc14
gutenprint-5.2.6-2.fc13 has been submitted as an update for Fedora 13. https://admin.fedoraproject.org/updates/gutenprint-5.2.6-2.fc13
gutenprint-5.2.6-2.fc13 has been pushed to the Fedora 13 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with su -c 'yum --enablerepo=updates-testing update gutenprint'. You can provide feedback for this update here: https://admin.fedoraproject.org/updates/gutenprint-5.2.6-2.fc13
gutenprint-5.2.6-2.fc13 has been pushed to the Fedora 13 stable repository. If problems still persist, please make note of it in this bug report.
gutenprint-5.2.6-2.fc14 has been pushed to the Fedora 14 stable repository. If problems still persist, please make note of it in this bug report.