HPLIP 3.19.6 在 18.04 上没有看到 USB HP LaserJet Pro MFP M125ra

Question

问题：MFU 的工作方式类似于打印机，但不像扫描仪那样工作。

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从developers.hp.com 安装了最新的HPLIP 版本：3.19.6。

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:~$ hp-setup\n

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hp-doctor命令输出：

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------------------------------\n| DISCOVERED SCANNER DEVICES |\n------------------------------\n\nNo Scanner found.\n\n--------------------------\n| DISCOVERED USB DEVICES |\n--------------------------\n\nNo devices found.\n\n---------------------------------\n| INSTALLED CUPS PRINTER QUEUES |\n---------------------------------\n\n\nHP-LaserJet-Pro-MFP-M125ra\n--------------------------\nType: Unknown\nDevice URI: usb://HP/LaserJet%20Pro%20MFP%20M125ra?serial=CNB7GCJHZQ&interface=1\nPPD: /etc/cups/ppd/HP-LaserJet-Pro-MFP-M125ra.ppd\nwarning: Failed to read /etc/cups/ppd/HP-LaserJet-Pro-MFP-M125ra.ppd ppd file\nPPD Description: \nPrinter status: printer HP-LaserJet-Pro-MFP-M125ra is idle.  enabled since \xd0\xa7\xd1\x82 06 \xd0\xb8\xd1\x8e\xd0\xbd 2019 17:54:40\nwarning: Printer is not HPLIP installed. Printers must use the hp: or hpfax: CUPS backend for HP-Devices.\n\n\n--------------\n| PERMISSION |\n--------------\n\nerror: Unsupported model: HP_LaserJet_Pro_MFP_M125ra\n\n\nChecking Permissions....\n\n\nChecking for Configured Queues....\nwarning: Fail to read ppd=/etc/cups/ppd/HP-LaserJet-Pro-MFP-M125ra.ppd file\nwarning: Insufficient permission to access file /etc/cups/ppd/HP-LaserJet-Pro-MFP-M125ra.ppd\nwarning: Could not complete Queue(s) configuration check\n\n\nChecking for HP Properitery Plugin\'s....\nNo plug-in printers are configured.\n\nDiagnose completed...\n

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lsusb命令输出：

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Bus 002 Device 009: ID 03f0:222a Hewlett-Packard\n

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\n sane-find-scanner命令输出：

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  # sane-find-scanner will now attempt to detect your scanner. If the\n  # result is different from what you expected, first make sure your\n  # scanner is powered up and properly connected to your computer.\n\n  # No SCSI scanners found. If you expected something different, make sure that\n  # you have loaded a kernel SCSI driver for your SCSI adapter.\n\nfound USB scanner (vendor=0x03f0 [Hewlett-Packard], product=0x222a [HP LaserJet Pro MFP M125ra]) at libusb:002:009\ncould not open USB device 0x04d9/0x0175 at 002:006: Access denied (insufficient permissions)\ncould not open USB device 0x2109/0x2812 at 002:004: Access denied (insufficient permissions)\ncould not open USB device 0x0001/0x0000 at 002:003: Access denied (insufficient permissions)\ncould not open USB device 0x8087/0x0024 at 002:002: Access denied (insufficient permissions)\ncould not open USB device 0x1d6b/0x0002 at 002:001: Access denied (insufficient permissions)\ncould not open USB device 0x1d6b/0x0003 at 004:001: Access denied (insufficient permissions)\ncould not open USB device 0x046d/0xc52b at 003:003: Access denied (insufficient permissions)\ncould not open USB device 0x0461/0x0010 at 003:002: Access denied (insufficient permissions)\ncould not open USB device 0x1d6b/0x0002 at 003:001: Access denied (insufficient permissions)\ncould not open USB device 0x8087/0x0024 at 001:002: Access denied (insufficient permissions)\ncould not open USB device 0x1d6b/0x0002 at 001:001: Access denied (insufficient permissions)\n  # Your USB scanner was (probably) detected. It may or may not be supported by\n  # SANE. Try scanimage -L and read the backend\'s manpage.\n\n  # Not checking for parallel port scanners.\n\n  # Most Scanners connected to the parallel port or other proprietary ports\n  # can\'t be detected by this program.\n\n  # You may want to run this program as root to find all devices. Once you\n  # found the scanner devices, be sure to adjust access permissions as\n  # necessary.\n

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打印机无需 hplip 设置即可工作。如何使扫描仪工作？

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Answer 1

通过安装 HPLIP-3.17.9 修复

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所有步骤均采用默认值，除了： 它将询问您是否希望此安装程序安装 hplip 特定策略/配置文件。输入 \xe2\x80\x98y\xe2\x80\x99。

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完成：扫描仪和打印机工作正常！

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