Officejet J4580 Prints but can't scan without HPOJ

Hello I just bought the J4580 because it has the auto document feeder and various reports showed all of its functions working in Linux. I'm running Ubuntu 8.04 and when I plugged the printer in it immediately autoconfigured as an HP Officjet J4500 series using the J5700 as the make and model for hpijs. Test pages and everything I have printed so far prints perfectly.

Scanning didn't work until I installed hpoj and then it worked perfectly. I can run xsane, access all the options and use the ADF, etc. Problem is hpoj and hplip are obviously not compatible. Since they work perfectly separately I'd really like to get both functions working together. Also what do I do to set up faxing?

Here is the output of hp-check -rt:

HP Linux Imaging and Printing System (ver. 2.8.2)
Dependency/Version Check Utility ver. 13.0

Copyright (c) 2001-7 Hewlett-Packard Development Company, LP
This software comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to distribute it
under certain conditions. See COPYING file for more details.

Note: hp-check can be run in three modes:
1. Compile-time check mode (-c or --compile): Use this mode before compiling the HPLIP
supplied tarball (.tar.gz or .run) to determine if the proper dependencies are installed to
successfully compile HPLIP.
2. Run-time check mode (-r or --run): Use this mode to determine if a distro supplied
package (.deb, .rpm, etc) or an already built HPLIP supplied tarball has the proper
dependencies installed to successfully run.
3. Both compile- and run-time check mode (-b or --both) (Default): This mode will check
both of the above cases (both compile- and run-time dependencies).

Saving output in log file: hp-check.log

Initializing. Please wait...
warning: Invalid drv_dir value: /usr/share/cups/drv/hp/

---------------
| SYSTEM INFO |
---------------

Basic system information:
Linux taxman-desktop 2.6.24-21-generic #1 SMP Mon Aug 25 17:32:09 UTC 2008 i686 GNU/Linux

Distribution:
ubuntu 8.04

HPOJ running?
No, HPOJ is not running (OK).

Checking Python version...
OK, version 2.5.2 installed

Checking PyQt version...
OK, version 3.17 installed.

Checking SIP version...
error: SIP not installed or version not found.

Checking for CUPS...
Status: scheduler is running
Version: 1.3.7

------------------------
| RUNTIME DEPENDENCIES |
------------------------

Checking for dependency: cups - Common Unix Printing System...
OK, found.

Checking for dependency: cups-ddk - CUPS driver development kit...
OK, found.

Checking for dependency: GhostScript - PostScript and PDF language interpreter and previewer...
OK, found.

Checking for dependency: PIL - Python Imaging Library (required for commandline scanning with hp-scan)...
OK, found.

Checking for dependency: ppdev - Parallel port support kernel module....
OK, found.

Checking for dependency: PyQt - Qt interface for Python...
OK, found.

Checking for dependency: Python 2.3 or greater - Required for fax functionality...
OK, found.

Checking for dependency: Reportlab - PDF library for Python...
OK, found.

Checking for dependency: SANE - Scanning library...
OK, found.

Checking for dependency: scanimage - Shell scanning program...
OK, found.

Checking for dependency: xsane - Graphical scanner frontend for SANE...
OK, found.

----------------------
| HPLIP INSTALLATION |
----------------------

Currently installed HPLIP version...
HPLIP 2.8.2 currently installed in '/usr/share/hplip'.

Current contents of '/etc/hp/hplip.conf' file:
# hplip.conf. Generated from hplip.conf.in by configure.

[hpssd]
# Note: hpssd does not support dynamic ports
# Port 2207 is the IANA assigned port for hpssd
port=2207

[hplip]
version=2.8.2

[dirs]
home=/usr/share/hplip
run=/var/run
ppd=/usr/share/ppd/hpijs/HP
ppdbase=/usr/share/ppd/hpijs
doc=/usr/share/doc/hplip-doc/HTML
icon=no
cupsbackend=/usr/lib/cups/backend
cupsfilter=/usr/lib/cups/filter
drv=/usr/share/cups/drv

# Following values are determined at configure time and cannot be changed.
[configure]
network-build=yes
pp-build=yes
gui-build=yes
scanner-build=yes
fax-build=yes
cups11-build=no
doc-build=yes
shadow-build=no
foomatic-drv-install=yes
foomatic-ppd-install=no
foomatic-rip-hplip-install=no
internal-tag=2.8.2.10

-------------------------------
| DISCOVERED PARALLEL DEVICES |
-------------------------------

No devices found.

--------------------------
| DISCOVERED USB DEVICES |
--------------------------

No devices found.

---------------------------------
| INSTALLED CUPS PRINTER QUEUES |
---------------------------------

Officejet_J4500_series
----------------------
Type: Printer
Installed in HPLIP?: Yes, using the hp: CUPS backend.
Device URI: hp:/usb/Officejet_J4500_series?serial=CN88L513F6052T
PPD: /etc/cups/ppd/Officejet_J4500_series.ppd
PPD Description: HP OfficeJet J5700 Foomatic/hpijs, hpijs 2.8.2
Printer status: printer Officejet_J4500_series is idle. enabled since Sun 26 Oct 2008 10:55:21 PM EDT
error: Unsupported model: Officejet_J4500_series

PDF
---
Type: Unknown
Installed in HPLIP?: No, not using the hp: or hpfax: CUPS backend.
Device URI: cups-pdf:/
PPD: /etc/cups/ppd/PDF.ppd
PPD Description: Generic PDF file generator
Printer status: printer PDF is idle. enabled since Sun 17 Aug 2008 09:05:51 PM EDT
warning: Printer is not HPLIP installed. Printers must use the hp: or hpfax: CUPS backend to function in HPLIP.

----------------------
| SANE CONFIGURATION |
----------------------

'hpaio' in '/etc/sane.d/dll.conf'...
error: Not found. SANE backend 'hpaio' NOT properly setup (needs to be added to /etc/sane.d/dll.conf).

Checking output of 'scanimage -L'...

No scanners were identified. If you were expecting something different,
check that the scanner is plugged in, turned on and detected by the
sane-find-scanner tool (if appropriate). Please read the documentation
which came with this software (README, FAQ, manpages).

---------------------
| PYTHON EXTENSIONS |
---------------------

Checking 'cupsext' CUPS extension...
OK, found.

Checking 'pcardext' Photocard extension...
OK, found.

Checking 'hpmudext' I/O extension...
OK, found.

Checking 'scanext' SANE scanning extension...
OK, found.

-----------------
| USB I/O SETUP |
-----------------

Checking for permissions of USB attached printers...

HP Device 0x2a12 at 004:004:
    Device URI: hp:/usb/Officejet_J4500_series?serial=CN88L513F6052T
    Device node: /dev/bus/usb/004/004
    Mode: 0660
getfacl: Removing leading '/' from absolute path names
# file: dev/bus/usb/004/004
# owner: lp
# group: scanner
user::rw-
user:taxman:rw-
group::rw-
mask::rw-
other::---

-----------
| SUMMARY |
-----------

error: 4 errors and/or warnings.

Please refer to the installation instructions at:
http://hplip.sourceforge.net/install/index.html

Also despite what hp-check says, sane-find-scanner returns the following as the important part:

found USB scanner (vendor=0x03f0 [HP], product=0x2a12 [Officejet J4500 series]) at libusb:004:004
  # Your USB scanner was (probably) detected. It may or may not be supported by
  # SANE. Try scanimage -L and read the backend's manpage.

It seems like this could be relatively easily added to the supported devices list. It's pretty cheap and currently available. Thank you,

Taxman