Ricoh B230 Service Manual

 
SM 4-21 B230/B237 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
FGATE ON error: Bk 
The PFGATE ON signal does not assert within 5 seconds after 
processing the image in normal job or MUSIC for start position [K]. 
ƒ Defective ASIC (Lupus) 
ƒ  Poor connection between controller and BICU. 
ƒ Defective BICU 
230 D 
1.  Check the connection between the controller board and the BICU. 
2. Replace the BICU. 
3. Replace the controller board. 
 
No. Type Details...

 
B230/B237 4-22  SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
FGATE OFF error: Y 
ƒ  The PFGATE ON signal still asserts within 5 seconds after 
processing the image in normal job or MUSIC for end position [Y]. 
ƒ  The PFGATE ON signal still asserts when the next job starts. 
233 D 
See SC 230 for troubleshooting details. 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
FGATE ON error: M 
The PFGATE ON signal does not assert within 5 seconds...

 
SM 4-23 B230/B237 
Trouble 
shooting 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
FGATE OFF error: C 
ƒ  The PFGATE ON signal still asserts within 5 seconds after 
processing the image in normal job or MUSIC for end position [C]. 
ƒ  The PFGATE ON signal still asserts when the next job starts. 
237 D 
See SC 230 for troubleshooting details. 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
240  C  LD error: Bk 
241 C LD error: Y 
242  C  LD error: M...

 
B230/B237 4-24  SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Line position adjustment (MUSIC) error 
Line position adjustment fails four consecutive times. 
ƒ  Pattern sampling error ( insufficient image density ) 
ƒ  Defective ID sensors for the line position adjustment 
ƒ  Defective image transfer belt unit 
ƒ Defective PCU(s) 
ƒ  Defective laser optics housing unit 
285 D 
1.  Do the recovery procedure for SC285 (see Laser Optics Housing 
Unit in Replacement &...

 
SM 4-25 B230/B237 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Shutter sensor time over error: Close 
The shutter close sensor does not detect ON for 2000msec after the 
shutter motor turns on. 
ƒ  Defective shutter close sensor 
ƒ  Disconnected or broken harness 
ƒ  Defective shutter motor 
ƒ Defective shutter 
ƒ  Shutter motor overload 
ƒ Defective IOB 
290 D 
1.  Check or replace the harness. 
2.  Replace the shutter on the laser optics housing unit....

 
B230/B237 4-26  SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Shutter overrun error 2: Close 
The shutter close sensor detects ON after SC 291 has occurred. 
ƒ Defective motor 
ƒ  Change of load to shutter motor 292 D 
1.  Replace the shutter on the laser optics housing unit. 
  

 
SM 4-27 B230/B237 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Shutter sensor time over error: Open 
The shutter open sensor does not detect ON for 2000msec after the 
shutter motor turns on.   
ƒ  Defective shutter close sensor 
ƒ  Disconnected or broken harness 
ƒ  Defective shutter motor 
ƒ Defective shutter 
ƒ  Shutter motor overload 
ƒ Defective IOB 
293 D 
1.  Check or replace the harness. 
2.  Replace the shutter on the laser optics housing unit....

 
B230/B237 4-28  SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Shutter overrun error 2: Open 
The shutter open sensor detects ON after SC 291 has occurred. 
ƒ Defective motor 
ƒ  Change of load to shutter motor 295 D 
1.  Replace the shutter on the laser optics housing unit. 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Shutter open/close sensor error 
Both shutter open sensor and close sensor detect ON at the same 
time. 
ƒ  Broken...

 
SM 4-29 B230/B237 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
300  D  AC charge output error [K] 
301  D  AC charge output error [M] 
302  D  AC charge output error [C] 
303  D  AC charge output error [Y] 
  The measured voltage is not proper when BICU measures the 
charge output for each color. 
  ƒ  Disconnected or broken high voltage cable 
ƒ  Defective or not installed PCU 
ƒ  Defective high voltage power supply 
   1.  Check or replace the...

 
B230/B237 4-30  SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
360  D  TD sensor (Vt high) error 1: K 
361  D  TD sensor (Vt high) error 1: M 
362  D  TD sensor (Vt high) error 1: C 
363  D  TD sensor (Vt high) error 1: Y 
  ƒ  The Vt value of the black, magenta, cyan, or yellow TD sensor 
exceeds the specified value (default: 4.7V) with SP3020-002 
for twenty counts. 
ƒ  The [Vt - Vtref] value of the black, magenta, cyan, or yellow TD 
sensor exceeds the specified value...