Ricoh Neptune-P1 Service Manual page 217

4. Troubleshooting
Code
135 Fan Folder TE Relay OFF Check
139 Fan Folder TE Entrance OFF Check
142 Rear Fan Fold TE Detect OFF Check
144 Fan Fold Exit TE Detect OFF Check
146 Fold Count Limit
4
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Location Display
N5 Relay Sensor 2
N7 Fan folder entrance sensor
N7 Fan fold LED (R1), Fan fold sensor (R2)
N7 Folder unit exit sensor
N7 Front/Rear Fold Sensor Pairs
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