Ricoh SP 8400DN Field Service Manual page 1266

6.Troubleshooting
SC No. Type
SC503- B 3rd Tray Lowering Error (LCIT: M496)
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32
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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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SC503- B 3rd Tray Paper Overload Error (LCIT: M496)
33
Both of the upper limit sensor and lower limit sensor detects the base plate 3 times
consecutively at the machine's initialization.
(The message of resetting the tray is displayed when the both sensors detect the error
consecutively 2 times or less.)
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528
Error Name/Error Condition/Major Cause/Solution
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
Lower 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
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 lower limit sensor.
Replace the controller board for the LCIT (M496).
Replace the tray.
Replace the timing belt.
Replace the timing pulley.
Replace the base plate.
Paper overload
Paper set fault
Upper limit sensor harness disconnected or broken
Lower limit sensor harness disconnected or broken
Control board defective