Ricoh Pro 8300S - Sc507-23; Vacuum Feed LCIT 2 Tray 2 Paper Overload Error

1.SC Codes
135
2. Check connectors of the harnesses of the tray lift unit (lower limit sensor / paper height middle
sensor / upper limit sensors 1, 2)
Reconnect the connectors. Turn the main power OFF and then ON.
3. Check the electrical components of the tray lift unit. (lift motor/ lower limit sensor / paper height
middle sensor / upper limit sensors 1, 2)
If they are defective, replace them. Turn the main power OFF and then ON.
4. Check the harnesses (lift motor/ lower limit sensor / paper height middle sensor / upper limit sensor
2)
If the harnesses are defective, replace the harnesses. Turn the main power OFF and then ON.
5. Check the mechanical components of the tray lift unit. (such as bottom plate / wire / pulley / feeler).
If they are defective, replace them. Turn the main power OFF and then ON.
6. Replace the main PCB.
SC507-23
Error Name
Vacuum Feed LCIT 2 Tray 2 Paper Overload Error
Pattern
B
Error Condition
When Vacuum Feed Banner Sheet Tray is Not Installed
 During tray initialization, the upper limit sensor 2 and the paper height middle sensor remain on
after a prescribed time (five times consecutively).
When Vacuum Feed Banner Sheet Tray is Installed
Each of the following conditions is detected five times consecutively.
 During tray initialization, the upper limit sensor 2 and the paper height middle sensor remain on,
and the lift motor lowers, but the upper limit sensor 2 remains on after a prescribed time.
 Lift motor does not rise to the upper limit within the prescribed time.
Major Cause
When Vacuum Feed Banner Sheet Tray is Not Installed
 Power of downstream unit is not turned on.
 Tray is overloaded.
 Lower limit sensor is defective or not connected properly.
 Harnesses are damaged.
 PCB is defective.
 Upper limit sensor 2 is defective or not connected properly.
When Vacuum Feed Banner Sheet Tray is Installed