Ricoh SP 8400DN Field Service Manual page 1265

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SC503- B 3rd Tray Lift Error (LCIT: M496)
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(The message of resetting the tray is displayed when the machine detects the error
consecutively 2 times or less.)
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Error Name/Error Condition/Major Cause/Solution
Replace the harness.
Replace the upper limit sensor.
Replace the controller board for the optional PFU (M494).
Replace the tray.
Replace the paper feed roller.
Replace the pick-up arm.
The machine detects the lift error of the tray lift motor for the LCIT (M496) 3 times
consecutively when the 3rd tray is lowered at the machine's initialization.
The machine detects the lift error of the tray lift motor for the LCIT (M496) 3 times
consecutively when the 3rd tray is lifted at the machine's initialization.
Tray lift motor connector disconnected
Limit sensor harness disconnected or broken
Controller board defective
Foreign matter, such as paper scrap, is caught between the right tray and the tray lift
motor.
Paper set fault
Timing belt damage or dropout
Timing pulley damage or dropout
Base plate damaged or plate horizontality fault
Paper feed roller missing
Pickup arm damage
Foreign matter, such as paper scrap, is caught inside the right tray.
Reset the paper.
Remove the foreign matter.
Replace the tray lift motor.
Reset the connector.
Replace the harness.
Replace the limit sensor.
Replace the controller board for the optional LCIT (M496).
Replace the tray.
Replace the paper feed roller.
Replace the pick-up arm.
Replace the timing belt.
Replace the timing pulley.
Replace the base plate.
6.Troubleshooting
527