Description: Manual feed up/down abnormality
• The manual lift-up position sensor is not unblocked even when the transport motor has turned for a given number of pulses after the sequence to move the paper lifting plate from the standby position to the feed position was started.
• The manual lift-up position sensor is not blocked even when the transport motor has turned for a given number of pulses after the sequence to move the paper lifting plate from the feed position to the standby position was started.
Remedy: 1 Check the M1 connector for proper connection and correct as necessary. 2 Check the connector of M1 for proper drive coupling and correct as necessary. 3 PS17 I/O check, sensor check. 4 SL1 operation check. 5 M1 operation check. 6 Change SL1. 7 Change M1. 8 Change PRCB.