2-50The TRAY 3 FEED OUT SENSOR detects paper fed from the Tray 3 or Tray 4.TRAY 4 FEED OUT SENSORThe TRAY 4 FEED OUT SENSOR detects paper fed from the Tray 4.TAKEAWAY ROLL ASSEMBLYThe TAKEAWAY ROLL ASSEMBLY feeds paper from the Tray 3 or Tray 4 to the printer.TRAY MODULE PWBThe TRAY MODULE PWB that contains a CPU controls paper feed in the TANDEM TRAYMODULE upon receiving a command from the PWBA MCU F and sensor/switch informa-tion.Paper Size ControlPaper Cassette FeedingThe following table gives ON/OFF states of the switches on the TRAY 3/4 PAPER SIZESWITCH, corresponding to the paper sizes of the Paper Cassette.NOTE The switches on the TRAY 3/4 PAPER SIZE SWITCH are denoted by “S/W1” and “S/W3”respectively from the left side.Paper Size ANALOG SWITCHS/W1 S/W3No Cassette OFF OFFB5L/7.25” x 10.5”L OFF ON8.5” x 11”L ON OFFFRONTLEFT COVER INTERLOCK SWITCHTRAY 3FEED OUT SENSORTRAY 4FEED OUT SENSORTAKEAWAY ROLL ASSEMBLY
