Ricoh B230 Service Manual

 
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...

 
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...

 
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...

 
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...

 
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,...

 
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...

 
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....

 
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...

 
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...