Description: Tray 1 feeder up/down abnormality
• The paper feed tray 1 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 paper feed tray 1 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 PRCB CN6PRCB-7 (ON) D-2. 4 SL1 operation check PRCB CN6PRCB-4 (ON) D-1. 5 M1 operation check PRCB CN34PRCB-10 (REM) PRCB CN34PRCB-13 (LOCK) D-22. 6 Change SL1. 7 Change M1. 8 Change PRCB.