佳能C5240机器提示错误代码E021-0400 iR-ADV C5235iR-ADV C5240iR-ADV C5250iR-ADV C5255[故障描述]机器提示错误代码E021-0400。[故障原因]拆开... 维修案例 访客 2 2020-11-17
