Try to install new version from hplip manually, and get same error ! sane bug ?
$ hp-scan
HP Linux Imaging and Printing System (ver. 3.13.10)
Scan Utility ver. 2.2
Copyright (c) 2001-13 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.
Using device: hpaio:/net/HP_Color_LaserJet_2840?ip=192.168.0.253
warning: No destinations specified. Adding 'file' destination by default.
Using device hpaio:/net/HP_Color_LaserJet_2840?ip=192.168.0.253
Opening connection to device...
error: SANE: Invalid argument (code=4)
** Also affects: hplip
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1247558
Title:
unable to start scanner, hplip problem
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