Ricoh B230 Service Manual
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SM 4-11 B230/B237 Trouble shooting Class 1 Section SC CodeDetailed section 480 - Others 500 - Paper feed 515 - Duplex 5XX Paper feed / Fusing 520 - Paper transport 530 - Fan motor 540 - Fusing 560 - Others 5XX Paper feed / Fusing 570 - Unique for a specific model 600 - Electrical counters 620 - Mechanical counters 630 - Account control 640 - CSS 650 - Network 670 - Internal data processing 6XX Communication 680 - Unique for a specific model 700 - Original handling 720 - Two-tray finisher 7XX Peripherals 740 - Booklet finisher 800 - Error after ready condition 820 - Diagnostics error 860 - Hard disk 8XX Controller 880 - Unique for a specific model
B230/B237 4-12 SM Class 1 Section SC CodeDetailed section 900 - Counter 920 - Memory 9XX Others 990 - Others
SM 4-13 B230/B237 Trouble shooting 4.4 SC TABLE No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Exposure lamp error -001: Shading at AGC -002: Shading at scanning The peak white level is less than 64/255 digits (8 bits) when scanning the shading plate. (The shading data peak does not reach the specified threshold) ƒ Exposure lamp defective ƒ Lamp stabilizer defective ƒ Exposure lamp connector defective ƒ Standard white plate dirty ƒ Scanner mirror or scanner lens out of position or dirty ƒ SBU defective 101 D 1. Check and clean the scanner mirror(s) and scanner lens. 2. Check and clean the shading plate. 3. Replace the exposure lamp. 4. Replace the lamp stabilizer. 5. Replace the scanner mirror(s) or scanner lens. 6. Replace the SBU. No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Scanner home position error 1 The scanner home position sensor does not detect the “OFF” condition during operation. 120 D ƒ Scanner motor driver defective ƒ Scanner motor defective ƒ Harness between SIO board and scanner motor disconnected ƒ Scanner HP sensor defective ƒ Harness between SBU and HP sensor disconnected
B230/B237 4-14 SM No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 1. Check the cable connection between the SIO board and scanner motor. 2. Check the cable connection between the SBU and HP sensor. 3. Replace the scanner motor. 4. Replace the HP sensor. No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Scanner home position error 2 The scanner home position sensor does not detect the “ON” condition during operation. ƒ Scanner motor driver defective ƒ Scanner motor defective ƒ Harness between SIO board and scanner motor disconnected ƒ Scanner HP sensor defective ƒ Harness between SBU and HP sensor disconnected 121 D 1. Check the cable connection between the SIO board and scanner motor. 2. Check the cable connection between the SBU and HP sensor. 3. Replace the scanner motor. 4. Replace the HP sensor. No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Black level detection error -001: After the home position detection -002: After the AGC The black level cannot be adjusted within the target value during the zero clamp. ƒ Defective SBU 141 D 1. Replace the SBU.
SM 4-15 B230/B237 Trouble shooting No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) White level detection error The white level cannot be adjusted within the target during auto gain control. ƒ Dirty exposure glass or optics section ƒ SBU board defective ƒ Exposure lamp defective ƒ Lamp stabilizer defective 142 D 1. Clean the exposure glass, white plate, mirrors, and lens. 2. Check if the exposure lamp is lit during initialization. 3. Check the harness connection between SBU and BICU. 4. Replace the exposure lamp. 5. Replace the SBU board. No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 144 SBU communication error SBU connection error The SBU connection cannot be detected at power on or recovery from the energy save mode. ƒ Insufficient power supply for SBU ƒ Defective SBU ƒ Defective harness ƒ Defective detection port on the BICU -001 D 1. Replace the harness. 2. Replace the SBU. 3. Replace the BICU. SBU serial communication error -002 D The power ON of the SBU is not detected.
B230/B237 4-16 SM No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) ƒ Defective SIO ƒ Defective harness ƒ Defective detection port on the BICU 1. Replace the harness. 2. Replace the SIO. 3. Replace the BICU. GASBU reset error The serial communication does not work. ƒ Defective SBU ƒ Defective detection circuit on the BICU ƒ Defective harness -003 D 1. Replace the SBU. 2. Replace the BICU. 3. Replace the harness. No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) IPU error The error result of self-diagnostic by the Taurus (ASIC on the IPU) is detected. ƒ Defective BICU ƒ Defective connection between BICU and SBU 161 D 1. Check the connection between BICU and SBU. 2. Replace the BICU.
SM 4-17 B230/B237 Trouble shooting No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Copy Data Security Unit error ƒ The copy data security board is not detected when the copy data security function is set ON with the initial setting. ƒ A device check error occurs when the copy data security function is set ON with the initial setting. ƒ Incorrect installation of the copy data security board ƒ Defective copy data security board 165 D 1. Reinstall the copy data security board. 2. Replace the copy data security board. No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Serial Number Mismatch ƒ Serial number stored in the memory does not have the correct code. ƒ NVRAM defective ƒ BICU replaced without original NVRAM 195 D 1. Check the serial number with SP5-811-002. 2. If the stored serial number is incorrect, contact your supervisor.
B230/B237 4-18 SM No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Polygon motor error 1: ON timeout The polygon mirror motor does not reach the targeted operating speed within the specified time after turning on or changing speed ƒ Defective or disconnected harness to polygon motor driver board ƒ Defective polygon motor driver board ƒ Defective polygon motor. 202 D 1. Replace the polygon motor. 2. Replace the laser optics housing unit. 3. Replace the harness. 4. Replace the BICU. No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Polygon motor error 2: OFF timeout The polygon mirror motor does leave the READY status within 3 seconds after the polygon motor switches off. ƒ Disconnected or defective harness to polygon motor driver board ƒ Defective polygon motor driver board ƒ Defective polygon motor 203 D 1. Check or replace the harness. 2. Replace the polygon motor.
SM 4-19 B230/B237 Trouble shooting No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Polygon motor error 3: XSCRDY signal error The SCRDY_N signal goes HIGH (inactive) while the laser diode is firing. ƒ Disconnected or defective harness to polygon motor driver board ƒ Defective polygon motor ƒ Defective polygon motor driver board 204 D 1. Check or replace the harness. 2. Replace the polygon motor. No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 210 C Laser synchronizing detection error: end position [K] 211 C Laser synchronizing detection error: end position [Y] 212 C Laser synchronizing detection error: end position [M] 213 C Laser synchronizing detection error: end position [C] The laser synchronizing detection signal for the end position of LDB [K], [Y], [M], [C] is not detected for one second after the LDB unit turned on when detecting the main scan magnification. ƒ Disconnected or defective harness to synchronizing detector for end position ƒ Defective synchronizing detector board ƒ Defective LD board or driver ƒ Defective BICU 1. Replace the harness of the LD board. 2. Replace the laser optics housing unit. 3. Replace the BICU.
B230/B237 4-20 SM No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 220 D Laser synchronizing detection error: start position [K] 222 D Laser synchronizing detection error: start position [Y] 224 D Laser synchronizing detection error: start position [M] 226 D Laser synchronizing detection error: start position [C] The laser synchronizing detection signal for the start position of the LDB [K], [Y], [M], [C] is not output for two seconds after LDB unit turns on while the polygon motor is rotating normally. ƒ Disconnected cable from the laser synchronizing detection unit or defective connection ƒ Defective laser synchronizing detector ƒ Defective LDB ƒ Defective BICU 1. Check the connectors. 2. Replace the laser-synchronizing detector. 3. Replace the LDB. 4. Replace the BICU.