Description: Manual tray rise descent error
• The bypass lift-up sensor is not blocked even when the tray 2 vertical 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 bypass lift-up sensor is not unblocked even when the tray 2 vertical 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 M103 connector for proper connection and correct as necessary. 2 Check the connector of M103 for proper drive coupling and correct as necessary. 3 PC115 I/O check PWB-Z PJ7Z<A>-11 (ON) T to U-25 4 M103 operation check PWB-Z PJ5Z-5 to 8 T to U-22 5 Change PWB-Z.