I just tested with 3.11.1, in current Fedora Rawhide, and the bug is still present:
[adamw@adam tmp]$ scanimage -d "hpaio:/net/HP_LaserJet_Professional_M1212nf_MFP?ip=192.168.1.50" -v --batch --format=tiff --mode Gray --source ADF Scanning -1 pages, incrementing by 1, numbering from 1 Scanning page 1 scanimage: scanning image 620 pixels wide and variable height at 8 bits/pixel scanimage: acquiring gray frame scanimage: min/max graylevel value = 36/255 scanimage: read 510260 bytes in total Scanned page 1. (scanner status = 5) Scanning page 2 scanimage: scanning image 620 pixels wide and variable height at 8 bits/pixel scanimage: acquiring gray frame scanimage: min/max graylevel value = 255/0 scanimage: sane_read: Error during device I/O Scanned page 2. (scanner status = 9) [adamw@adam tmp]$ rpm -q hplip hplip-3.11.1-1.fc15.x86_64
I just tested with 3.11.1, in current Fedora Rawhide, and the bug is still present:
[adamw@adam tmp]$ scanimage -d "hpaio: /net/HP_ LaserJet_ Professional_ M1212nf_ MFP?ip= 192.168. 1.50" -v --batch --format=tiff --mode Gray --source ADF 11.1-1. fc15.x86_ 64
Scanning -1 pages, incrementing by 1, numbering from 1
Scanning page 1
scanimage: scanning image 620 pixels wide and variable height at 8 bits/pixel
scanimage: acquiring gray frame
scanimage: min/max graylevel value = 36/255
scanimage: read 510260 bytes in total
Scanned page 1. (scanner status = 5)
Scanning page 2
scanimage: scanning image 620 pixels wide and variable height at 8 bits/pixel
scanimage: acquiring gray frame
scanimage: min/max graylevel value = 255/0
scanimage: sane_read: Error during device I/O
Scanned page 2. (scanner status = 9)
[adamw@adam tmp]$ rpm -q hplip
hplip-3.