Ricoh A156 - Paper Feed and Misfeed Detection Timing; Paper Feed Tray

11.11 PAPER FEED AND MISFEED DETECTION TIMING
11.11.1 Paper Feed Tray
A153/A155/A156 copiers (A4 sideways)
A157/A159/A160 copiers (A4 sideways)
J1 and J2: Checks whether the sensors (relay sensors and registration
sensor) are activated within 500 ms after the designated time
for these sensors.
J3 and J4: Checks whether the sensors (relay sensors and registration
sensor) are activated within 667 ms after the designated time
for these sensors.
L.E. (Leading Edge): Start Time for Scanning the Original
A156/A160/A162 2-94 STM