惠普打印机和扫描仪修复医生 HP Print and Scan Doctor

https://support.hp.com/cn-zh/topic/printscandoctor-printing-problems

http://ftp.hp.com/pub/printers/hppsdr/patches/HPPSdr.exe

rcy的电脑连的是无线 。

打印机ip  192.168.1.123