ADS-4300N 常見問題&故障排除 ADS-4300N 不是您的產品嗎? 無法掃描 (透過網路) Solutions for problems related to scanning via network 無法掃描 (透過 USB / 平行並列埠) Solutions for problems related to scanning via local connection (USB or Parallel) 一般掃描問題 Solutions for difficulties in scanning such as low scan speed, scan noise, and unexpected scan results 常見問題&故障排除