现象
J4901/J4902/J4903/J4904/J4905/J4906/J4907/J4908/J4909: BR传输传感器1未到达卡纸
从纸盒1-7,双面或手送供纸时,排纸传感器开启后,BR传输传感器1未开启。
原因
BR主电路板故障
措施
更换BR主控板
有改善
或
没有改善
参照资料
零件手册