树莓派制作惠普无线打印机
树莓派制作惠普无线打印机
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180 apt update
181 apt-get install cups hplip
185 usermod -aG lpadmin pi
186 cupsctl --remote-any
利用树莓派为HP LaserJet 1020配置无线打印功能_cups hp laserjet 1020-CSDN博客
cable 没有插好,或者usb供电不足 [ 106.651000] usb 2-1-port2: Cannot enable. Maybe the USB cable is bad? [ 107.484000] usb 2-1-port2: Cannot enable. Maybe the USB cable is bad? [ 107.491000] usb 2-1-port2: attempt power cycle [ 108.619000] usb 2-1-port2: Cannot enable. Maybe the USB cable is bad? [ 109.452000] usb 2-1-port2: Cannot enable. Maybe the USB cable is bad? [ 109.459000] usb 2-1-port2: unable to enumerate USB device