<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>The HP ScanJet 8250 scanner works great with VueScan, but doesn't work with the SANE backend. I am on OS X 10.5.2. I saw that the avision backend should be used, but so far, it doesn't seem to get past this issue:</div><div><br></div><div>SANE_DEBUG_AVISION=1 scanimage > test.pnm</div><div>[sanei_debug] Setting debug level of avision to 1.</div><div>[avision] sane_init: Trying to find USB device 638 a27 ...</div><div>[avision] sane_init: Trying to find USB device 638 a3c ...</div><div>[avision] sane_init: Trying to find USB device 638 a33 ...</div><div>[avision] sane_init: Trying to find USB device 638 a93 ...</div><div>[avision] sane_init: Trying to find USB device 638 a24 ...</div><div>[avision] sane_init: Trying to find USB device 638 a25 ...</div><div>[avision] sane_init: Trying to find USB device 638 a3a ...</div><div>[avision] sane_init: Trying to find USB device 638 a3a ...</div><div>[avision] sane_init: Trying to find USB device 638 a23 ...</div><div>[avision] sane_init: Trying to find USB device 638 a2a ...</div><div>[avision] sane_init: Trying to find USB device 638 a19 ...</div><div>[avision] sane_init: Trying to find USB device 638 a5e ...</div><div>[avision] sane_init: Trying to find USB device 638 a41 ...</div><div>[avision] sane_init: Trying to find USB device 638 a16 ...</div><div>[avision] sane_init: Trying to find USB device 638 a13 ...</div><div>[avision] sane_init: Trying to find USB device 638 a18 ...</div><div>[avision] sane_init: Trying to find USB device 638 a66 ...</div><div>[avision] sane_init: Trying to find USB device 638 a82 ...</div><div>[avision] sane_init: Trying to find USB device 638 a84 ...</div><div>[avision] sane_init: Trying to find USB device 638 a4d ...</div><div>[avision] sane_init: Trying to find USB device 638 a40 ...</div><div>[avision] sane_init: Trying to find USB device 638 a68 ...</div><div>[avision] sane_init: Trying to find USB device 638 a61 ...</div><div>[avision] sane_init: Trying to find USB device 638 aa1 ...</div><div>[avision] sane_init: Trying to find USB device 638 a45 ...</div><div>[avision] sane_init: Trying to find USB device 3f0 701 ...</div><div>[avision] sane_init: Trying to find USB device 3f0 701 ...</div><div>[avision] sane_init: Trying to find USB device 3f0 801 ...</div><div>[avision] sane_init: Trying to find USB device 3f0 b01 ...</div><div>[avision] filling command to have a length of 10, was: 6</div><div>[avision] attach: Inquiry gives mfg=HP, model=C9930A, product revision=1.03.</div><div>[avision] attach: Checking model: 0</div><div>[avision] attach: Checking model: 1</div><div>[avision] attach: Checking model: 2</div><div>[avision] attach: Checking model: 3</div><div>[avision] attach: Checking model: 4</div><div>[avision] attach: Checking model: 5</div><div>[avision] attach: Checking model: 6</div><div>[avision] attach: Checking model: 7</div><div>[avision] attach: Checking model: 8</div><div>[avision] attach: Checking model: 9</div><div>[avision] attach: Checking model: 10</div><div>[avision] attach: Checking model: 11</div><div>[avision] attach: Checking model: 12</div><div>[avision] attach: Checking model: 13</div><div>[avision] attach: Checking model: 14</div><div>[avision] attach: Checking model: 15</div><div>[avision] attach: Checking model: 16</div><div>[avision] attach: Checking model: 17</div><div>[avision] attach: Checking model: 18</div><div>[avision] attach: Checking model: 19</div><div>[avision] attach: Checking model: 20</div><div>[avision] attach: Checking model: 21</div><div>[avision] attach: Checking model: 22</div><div>[avision] attach: Checking model: 23</div><div>[avision] attach: Checking model: 24</div><div>[avision] attach: Checking model: 25</div><div>[avision] attach: Checking model: 26</div><div>[avision] attach: Checking model: 27</div><div>[avision] attach: Checking model: 28</div><div>[avision] attach: Checking model: 29</div><div>[avision] attach: Checking model: 30</div><div>[avision] attach: Checking model: 31</div><div>[avision] attach: Checking model: 32</div><div>[avision] attach: Checking model: 33</div><div>[avision] attach: Checking model: 34</div><div>[avision] attach: Checking model: 35</div><div>[avision] attach: Checking model: 36</div><div>[avision] attach: Checking model: 37</div><div>[avision] attach: Checking model: 38</div><div>[avision] attach: Checking model: 39</div><div>[avision] attach: Checking model: 40</div><div>[avision] attach: Checking model: 41</div><div>[avision] attach: Checking model: 42</div><div>[avision] attach: Checking model: 43</div><div>[avision] attach: Checking model: 44</div><div>[avision] attach: Checking model: 45</div><div>[avision] attach: Checking model: 46</div><div>[avision] attach: Checking model: 47</div><div>[avision] attach: Checking model: 48</div><div>[avision] attach: Checking model: 49</div><div>[avision] attach: Checking model: 50</div><div>[avision] attach: Checking model: 51</div><div>[avision] attach: Checking model: 52</div><div>[avision] attach: Checking model: 53</div><div>[avision] attach: Checking model: 54</div><div>[avision] attach: Checking model: 55</div><div>[avision] attach: Checking model: 56</div><div>[avision] attach: Checking model: 57</div><div>[avision] attach: Checking model: 58</div><div>[avision] attach: Checking model: 59</div><div>[avision] attach: Scanner matched entry: 59: "HP", "C9930A", 0x3f0, 0xb01</div><div>[avision] filling command to have a length of 10, was: 6</div><div>[avision] filling command to have a length of 10, was: 6</div><div>[avision] attach: optical resolution set to: 4800 dpi</div><div>[avision] attach: max resolution set to: 4800 dpi</div><div>[avision] attach: max channels per pixel: 3, max bits per channel: 16</div><div>[avision] attach: Mode 0 range is now: 216.169333 x 355.600000 mm.</div><div>[avision] attach: Mode 1 range is now: 44.126667 x 156.972000 mm.</div><div>[avision] attach: Mode 2 range is now: 216.169333 x 355.600000 mm.</div><div>[avision] sane_init: Trying to find USB device 3f0 3905 ...</div><div>[avision] sane_init: Trying to find USB device 3f0 3805 ...</div><div>[avision] sane_init: Trying to find USB device 638 26a ...</div><div>[avision] sane_init: Trying to find USB device 686 4004 ...</div><div>[avision] sane_init: Trying to find USB device 686 400d ...</div><div>[avision] sane_init: Trying to find USB device 686 400e ...</div><div>[avision] sane_init: Trying to find USB device 638 a15 ...</div><div>[avision] sane_init: Trying to find USB device 638 a16 ...</div><div>[avision] sane_init: Trying to find USB device 4c5 1029 ...</div><div>[avision] sane_init: Trying to find USB device 40a 6001 ...</div><div>[avision] sane_init: Trying to find USB device 40a 6002 ...</div><div>[avision] sane_init: Trying to find USB device 40a 6003 ...</div><div>[avision] sane_init: Trying to find USB device 40a 6003 ...</div><div>[avision] sane_init: Trying to find USB device 40a 6004 ...</div><div>[avision] sane_init: Trying to find USB device 40a 6004 ...</div><div>[avision] sane_init: Trying to find USB device 40a 6005 ...</div><div>[avision] sane_init: Trying to find USB device 638 268 ...</div><div>[avision] sane_init: Trying to find USB device 4a7 477 ...</div><div>[avision] sane_init: Trying to find USB device 4a7 448 ...</div><div>[avision] sane_init: Trying to find USB device 4a7 449 ...</div><div>[avision] sane_init: Trying to find USB device 4a7 44c ...</div><div>[avision] sane_init: Trying to find USB device 4a7 475 ...</div><div>[avision] sane_init: Trying to find USB device 4a7 447 ...</div><div>[avision] sane_init: Trying to find USB device 4a7 498 ...</div><div>[avision] sane_init: Trying to find USB device 4a7 478 ...</div><div>[avision] sane_init: Trying to find USB device 4a7 424 ...</div><div>[avision] sane_init: Trying to find USB device 4a7 47a ...</div><div>[avision] sane_init: Trying to find USB device 4a7 47b ...</div><div>[avision] sane_init: Trying to find USB device 4a7 493 ...</div><div>[avision] sane_init: Trying to find USB device 4a7 497 ...</div><div>[avision] sane_init: Trying to find USB device 4a7 48f ...</div><div>[avision] sane_init: Trying to find USB device 4a7 498 ...</div><div>[avision] sane_init: Trying to find USB device 4a7 499 ...</div><div>[avision] sane_init: Trying to find USB device 638 a16 ...</div><div>[avision] sane_init: Trying to find USB device 482 335 ...</div><div>[avision] sane_open: using open_extended</div><div>[avision] sane_open: got 1048576 scsi_max_request_size</div><div>[avision] filling command to have a length of 10, was: 6</div><div>[avision] filling command to have a length of 10, was: 6</div><div>[avision] init_options: dpi_range.min set to 50</div><div>[avision] sane_start:</div><div>[avision] sane_compute_parameters: hw_xres: 150, hw_yres: 150, line_difference: 0</div><div>[avision] sane_compute_parameters: tlx: 0, tly: 0, brx: 1275, bry: 2096</div><div>[avision] sane_compute_parameters: hw_pixel_per_line: 1272, hw_lines: 2096, hw_bytes_per_line: 0</div><div>[avision] sane_compute_parameters: xres: 150, yres: 150</div><div>[avision] sane_compute_parameters: pixel_per_line: 1272, lines: 2096</div><div>[avision] sane_compute_parameters: depth: 8, bytes_per_line: 3816</div><div>[avision] sane_compute_parameters: hw_xres: 150, hw_yres: 150, line_difference: 0</div><div>[avision] sane_compute_parameters: tlx: 0, tly: 0, brx: 1275, bry: 2096</div><div>[avision] sane_compute_parameters: hw_pixel_per_line: 1272, hw_lines: 2096, hw_bytes_per_line: 3816</div><div>[avision] sane_compute_parameters: xres: 150, yres: 150</div><div>[avision] sane_compute_parameters: pixel_per_line: 1272, lines: 2096</div><div>[avision] sane_compute_parameters: depth: 8, bytes_per_line: 3816</div><div>[avision] set_window:</div><div>[avision] normal_calibration:</div><div>[avision] No data arrived.</div><div>[avision] No data arrived.</div><div>[avision] No data arrived.</div><div>[avision] Max retry count reached: I/O error</div><div>[avision] get_calib_format: read calib. info failed (Error during device I/O)</div><div>[avision] sane_start: perform calibration failed: Error during device I/O</div><div>scanimage: sane_start: Error during device I/O</div><div><br></div><div apple-content-edited="true"> <span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><p style="margin: 0.0px 0.0px 0.0px 0.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">Thank you,</font></p><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px Helvetica; min-height: 14.0px"><br></p><p style="margin: 0.0px 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