3.12.11-1 (debian experimental) fixes the problem for me
$ hp-scan -g
HP Linux Imaging and Printing System (ver. 3.12.11)
Scan Utility ver. 2.2
---snip---
hp-scan[7586]: debug: hp:/net/Officejet_Pro_L7500?zc=Printer: back_end:hp
is_hp:True bus:net model:Officejet_Pro_L7500 serial: dev_file: host:Printer
zc:Printer port:1
hp-scan[7586]: debug: Cache miss: officejet_pro_l7500
hp-scan[7586]: debug: Reading file: /usr/share/hplip/data/models/models.dat
hp-scan[7586]: debug: Searching for section [officejet_pro_l7500] in file
/usr/share/hplip/data/models/models.dat
hp-scan[7586]: debug: Found section [officejet_pro_l7500] in file
/usr/share/hplip/data/models/models.dat
hp-scan[7586]: debug: hpfax:/net/Officejet_Pro_L7500?zc=Printer: back_end:hpfax
is_hp:True bus:net model:Officejet_Pro_L7500 serial: dev_file: host:Printer
zc:Printer port:1
hp-scan[7586]: debug: hp:/net/Officejet_Pro_L7500?zc=Printer: back_end:hp
is_hp:True bus:net model:Officejet_Pro_L7500 serial: dev_file: host:Printer
zc:Printer port:1
hp-scan[7586]: debug: hp:/net/Officejet_Pro_L7500?zc=Printer: back_end:hp
is_hp:True bus:net model:Officejet_Pro_L7500 serial: dev_file: host:Printer
zc:Printer port:1
hp-scan[7586]: debug: hp:/net/Officejet_Pro_L7500?zc=Printer: back_end:hp
is_hp:True bus:net model:Officejet_Pro_L7500 serial: dev_file: host:Printer
zc:Printer port:1
hp-scan[7586]: debug: Device URI socket://192.168.1.5:9100 is invalid/unknown
hp-scan[7586]: debug: Exception: 4 (Unknown/invalid device-uri field)
hp-scan[7586]: debug: Device URI socket://192.168.1.5:9101 is invalid/unknown
hp-scan[7586]: debug: Exception: 4 (Unknown/invalid device-uri field)
hp-scan[7586]: debug: Device URI dnssd://NM1662E6._ipp._tcp.local/ is
invalid/unknown
hp-scan[7586]: debug: Exception: 4 (Unknown/invalid device-uri field)
hp-scan[7586]: debug: Device URI cups-pdf:/ is invalid/unknown
hp-scan[7586]: debug: Exception: 4 (Unknown/invalid device-uri field)
hp-scan[7586]: debug: {'hpaio:/net/Officejet_Pro_L7500?zc=Printer':
['Officejet_Pro_L7500', 'Officejet_Pro_L7500_old_driver',
'Officejet_Pro_L7500_pour_scan', 'OJ_Pro_L7500_2pagesA4'],
'hpaio:/net/Officejet_Pro_8600?zc=HP8F7B78': ['Officejet_Pro_8600']}
-----------------
| SELECT DEVICE |
-----------------
Num Scan device URI
-------- -----------------------------------------
0 hpaio:/net/Officejet_Pro_L7500?zc=Printer
1 hpaio:/net/Officejet_Pro_8600?zc=HP8F7B78
Enter number 0...1 for device (q=quit) ?0
warning: No destinations specified. Adding 'file' destination by default.
Using device hpaio:/net/Officejet_Pro_L7500?zc=Printer
Opening connection to device...
hp-scan[7586]: debug: Device supported resolutions [75, 100, 150, 200, 300,
600, 1200, 2400]
Resolution: 300dpi
Mode: gray
Compression: JPEG
Scan area (mm):
Top left (x,y): (0.000000mm, 0.000000mm)
Bottom right (x,y): (215.899994mm, 381.000000mm)
Width: 215.899994mm
Height: 381.000000mm
Destination(s): file
Output file:
hp-scan[7586]: debug: Supported source Options: ['Auto', 'Flatbed', 'ADF']
size=3
warning: File destination enabled with no output file specified.
Setting output format to PNG for greyscale mode.
warning: Defaulting to '/home/pit/hpscan002.png'.
Warming up...
Scanning...
---snip---
--
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to hplip in Ubuntu.
https://bugs.launchpad.net/bugs/1015319
Title:
Scanning with version 3.12.6 results in End Of File error messages
Status in HP Linux Imaging and Printing:
Fix Released
Status in “hplip” package in Ubuntu:
New
Bug description:
After updating to version 3.12.6 from 3.12.4, trying to scan (with hp-
scan, scan-image, or xsane) results in an End of File error with the
network printer HP Officejet Pro 8500 Premier. I attempted a full
uninstall and reinstall from scratch in case the upgrade was in error,
but that failed as well. Reverting to 3.12.4 resolves the issue
(though the annoying bug that it will not scan the back of the last
page in duplex mode still exists, which I was hoping would be resolved
in 3.12.6).
To manage notifications about this bug go to:
https://bugs.launchpad.net/hplip/+bug/1015319/+subscriptions
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