Ricoh B230 Service Manual
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Page 351
SM 4-111 B230/B237 Trouble shooting Jam Code SP Display Description LCD Display 7504 57 Regist Sensor Registration sensor does not turn off. B 7504 59 Fusing Exit Sensor Fusing exit sensor does not turn off. C 7504 60 Exit Sensor Paper exit sensor does not turn off. C 7504 61 Relay Exit Sensor Tray exit sensor (bridge unit) does not turn off. D 7504 62 Relay Sensor Relay sensor (bridge unit) does not turn off. D 7504 65 Duplex Exit Sensor Duplex exit sensor does not turn off....
Page 352
B230/B237 4-112 SM Jam Code SP Display Description LCD Display 7504 105 Finisher Tray Lift Motor (B408) ƒ Stack height sensor does not detect paper after the lower tray has lifted up. ƒ Stack height sensor still detects paper after the lower tray has lifted down. R1-R2 7504 106 Finisher Jogger Motor (B408) ƒ Jogger fence HP sensor does not turn off after the jogger fence has moved from its home position. ƒ Jogger fence HP sensor does not turn on after the jogger fence has returned...
Page 353
SM 4-113 B230/B237 Trouble shooting Jam Code SP Display Description LCD Display position. 7504 130 Finisher Entrance (B793) Entrance sensor does not detect paper after R1-R3 7504 131 Finisher Proof Exit (B793) Paper does not reach to the proof tray exit sensor or stay at the proof tray exit sensor. R1-R3 7504 132 Finisher Shift Tray Exit (B793) Paper does not reach to the shift tray exit sensor or stay at the shift tray exit sensor. R1-R3 7504 133 Finisher Staple Exit (B793) ƒ...
Page 354
B230/B237 4-114 SM Jam Code SP Display Description LCD Display opened. ƒ Exit guide plate HP sensor does not turn on after the exit guide plate has closed. 7504 138 Finisher Staple Moving Motor (B793) ƒ Staple unit HP sensor does not turn off after the staple unit has moved from its home position. ƒ Staple unit HP sensor does not turn on after the staple unit has returned to its home position. R7-R11 7504 139 Finisher Punch Motor (B793) ƒ Punch HP, punch movement HP or paper...
Page 355
SM 4-115 B230/B237 Trouble shooting Jam Code SP Display Description LCD Display 7504 142 Finisher Shift Roller Motor (B793) ƒ Shift motor HP sensor does not turn off after the shift roller has moved from its home position. ƒ Shift motor HP sensor does not turn on after the shift roller has returned to its home position. R1-R3 7504 143 Finisher Folding Plate Motor (B793) ƒ Fold plate HP sensor does not turn off after the fold plate has moved from its home position. ƒ Fold plate HP...
Page 356
B230/B237 4-116 SM Jam Code SP Display Description LCD Display 7504 147 Finisher Stack 2 Release Motor (B793) ƒ Lower clamp roller HP sensor does not turn off after the lower clamp roller has moved from its home position. ƒ Lower clamp roller HP sensor does not turn on after the lower clamp roller has returned to its home position. R7-R11 7504 148 Finisher Stopper Motor (B793) ƒ Stopper S HP sensor does not turn off after the stopper S has moved from its home position. ƒ Stopper S...
Page 357
SM 4-117 B230/B237 Trouble shooting Jam Code SP Display Description LCD Display not turn off after the rear jogger fence has moved from its home position. ƒ Rear jogger fence HP sensor does not turn on after the rear jogger fence has returned to its home position. 7504 166 Finisher Pickup Lift Motor ƒ Pick-up roller HP sensor does not turn off after the pick-up roller has moved from its home position. ƒ Pick-up roller HP sensor does not turn on after the pick-up roller has...
Page 358
B230/B237 4-118 SM Jam Code SP Display Description LCD Display ƒ Tray upper limit sensor does not turn off after the output tray has lifted down. ƒ Both tray upper limit and stack near-limit sensor turn on when the output tray lifts down. ƒ Stack near-limit sensor does not turn off after the output tray has lifted up. 7504 169 Finisher Belt Lift Solenoid Belt lift sensor does not turn on at power on initialization. R 7504 230 Finisher Exit No Response The machine does not get paper...
Page 359
SM 4-119 B230/B237 Trouble shooting 4.7 ELECTRICAL COMPONENT DEFECTS 4.7.1 SENSORS ƒ The CN numbers in the following table are the connector numbers on the BICU. No. Sensor Name/ Sensor Board Name ActiveCN ConditionSymptom Open Open Cover is displayed SW01 Right Cover Open Switch L CN211/35 Shorted Right cover open cannot be detected. S01 ID Sensor A CN213 Open/ Shorted SC400 Open Jam A (Jam8, 17) S02 Registration Sensor L CN212/2 Shorted Jam A, B (Jam1) S03 Drum Gear...
Page 360
B230/B237 4-120 SM No. Sensor Name/ Sensor Board Name ActiveCN ConditionSymptom Toner End Sensor - K toner. S11 Image Transfer Belt Rotation Sensor H/L CN233/15 Open/ Shorted SC443 Open Jam A (Jam3, 11) S12 Paper Feed Sensor 1 L CN281/2 Shorted Jam A, B (Jam1) Open Paper end is not detected when there is no paper in the paper tray. S13 S16 Paper End Sensor 1, 2 L CN281/5, 14 Shorted Paper end is detected when there is paper in the paper tray. S14 S17 Paper Lift Sensor 1, 2...