扫描仅在“ sudo”下起作用(Ubuntu)
当我尝试使用简单扫描进行扫描时,UI会显示Failed to scan -- Unable to connect to scanner。当我从命令行运行它时,我得到: joel@home:/usr/bin$ simple-scan -d ** (simple-scan:6554): DEBUG: Starting Simple Scan 2.32.0.1, PID=6554 ** (simple-scan:6554): DEBUG: Restoring window to 600x400 pixels ** (simple-scan:6554): DEBUG: sane_init () -> SANE_STATUS_GOOD ** (simple-scan:6554): DEBUG: SANE version 1.0.22 ** (simple-scan:6554): DEBUG: Requesting redetection of scan devices ** …