HP Laserjet M1212nf scanning freezes-up after first scan over a networkconnection (hpaio)

[martinr]

It seems that after scanning with xsane it leaves the printer in an odd state that requires a printer reset to get scanning working again.

After thorough testing I am sure, that scanning from Ubuntu Linux 10.04.2LTS with hp-scan or xsane only works once and then the printer needs to be reset/power cycled. Even trying to scan with another machine/OS like Windoze doesn't work anymore until the printer is reset. When initially scanning from Windoze, it does not leave the printer in an odd state, so multiple consecutive scans are no problem, but as soon as I do one scan with xsane from Linux the first scan succeeds but then the scanning capability of the printer stops working.

Printer type: HP LaserJet m1212nf (a HP LaserJet M1210 series printer)
Printer Firmware Datecode: 20110512
Connection: network connection hpaio

I get the following error when trying to capture a scan again:
Using device hpaio:/net/HP_LaserJet_Professional_M1212nf_MFP?zc=HP
Opening connection to device...
error: SANE: Error during device I/O (code=9)

The product specifications of the printer note that it does support TWAIN:
Quote Scanning specifications:
* Scan from TWAIN-compliant or Windows Imaging Application (WIA)-compliant software.
* Scan from a computer by using HP LaserJet Scan software for Windows or by using HP Director software for Mac.
* TWAIN VERSION: Version 1.9

I'm using HPLIP version: 3.11.5

Furthermore,
http://hplipopensource.com/hplip-web/models/laserjet/hp_laserjet_professional_m1212nf_mfp.html
Says that scanning should work using HPLIP v3.10.4 with Ubuntu 10.04LTS.

This bug was previously submitted at the SANE project site, but after their analysis they concluded that they do not produce the hpaio backend. It is part of the hplip project and I should ask here.
(see: https://alioth.debian.org/tracker/index.php?func=detail&aid=313207&group_id=30186&atid=410366 )

I hope you are able to resolve this issue?
Best regards.

[IKT (ikt)]

Did Sarbeswar Meher's and Alfagulf's comments help?

https://answers.launchpad.net/hplip/+question/163947

[martinr (martinr1111)]

Dear IKT,

Yes, deleting the print queues and recreating the printer with hp-setup works. It still baffles me, why it has to be done twice for scanning to work correctly?

Thanks for your help.

Summarizing:
After initial installation scanning freezes up after the first scan.
To fix it: delete the print queues run hp-setup again and select the printer again as your preferred printer (this recreates the print queues). All should work fine (printing, scanning and faxing) after recreating the print queues.