Ricoh D131 - Page 495

SC500: Feed, Transport, Duplex, and Fusing
D131/D132/D133 2-28 SM Appendix
SC504 B
Tray 4 lift malfunction
 The lift sensor is not activated within 10 s after the tray lift motor
starts lifting the bottom plate.
 When the tray lowers, the tray lift sensor does not go off within 1.5
s.
 Tray overload detected when the tray is set.
 Tray lift motor defective or disconnected
 Paper or other obstacle trapped between tray and motor
 Pick-up solenoid disconnected or blocked by an obstacle
 Too much paper loaded in tray
Note
 At first, the machine displays a message asking the operator to
reset the tray.
 This SC will not display until the operator has pulled the tray out
and pushed it in 3 times.
 If the operator turns the machine off/on before the 3rd opening
and closing of the tray, the 3-count is reset.
SC510 B
LCT tray malfunction
One of the following conditions is detected:
 When the bottom plate is lifted, the upper limit sensor does not
come on for 18 s.
 When the bottom plate is lowered, the lower limit sensor does not
come on for 18 s.
 After lift begins, the upper limit sensor does not switch on before
the pick-up solenoid switches on.
 The paper end sensor switches on during lift and the upper limit
sensor does not switch on for 2.5 s, and a message prompts user
to reset paper.
 Tray lift motor defective or connector disconnected
 Lift sensor defective or disconnected
 Pick-up solenoid defective or disconnected
 Paper end sensor defective