Ricoh B230 Service Manual

 
SM 4-31 B230/B237 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
364  D  TD sensor (Vt high) error 2: K 
365  D  TD sensor (Vt high) error 2: M 
366  D  TD sensor (Vt high) error 2: C 
367  D  TD sensor (Vt high) error 2: Y 
  The Vt value of the black, magenta, cyan, or yellow TD sensor is 
below the specified value with SP3020-004 (default: 0.5V) for 10 
counts. 
  ƒ  TD sensor harness disconnected, loose, defective 
ƒ  A drawer connector disconnected,...

 
B230/B237 4-32  SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
372  D  TD sensor adjustment error: K 
373  D  TD sensor adjustment error: M 
374  D  TD sensor adjustment error: C 
375  D  TD sensor adjustment error: Y 
  During TD sensor initialization, the output value of the black, magenta, 
cyan, or yellow TD sensor is not within the range of the specified value 
with SP3238-001 to -004 (default: 2.7V) ± 0.2V 
  ƒ  Heat seal not removed from a new developer pack 
ƒ  TD...

 
SM 4-33 B230/B237 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
ID sensor adjustment error 
When the Vsg error counter reaches 3, the machine detects SC400.
The Vsg error counter counts 1 when the Vsg detected by ID sensor is 
more than the value (default: 4.5V) specified with SP3234-005 or less 
than the value (default: 3.5V) specified with SP SP3234-006. 
ƒ  Dirty or defective ID sensor 
ƒ  Defective ID sensor shutter 
400 D 
1.  Check the harness of...

 
B230/B237 4-34  SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Image transfer belt contact motor error 
The image transfer belt contact sensor does not detect the movement 
of actuator at the sensor while the polygon motor rotates. 
ƒ  Dirty image transfer belt contact sensor   
ƒ  Defective image transfer belt contact motor 
ƒ  Disconnected connector of image transfer belt contact sensor or 
motor 
ƒ Disconnected cable 
442 D 
1.  Replace the image transfer belt contact...

 
SM 4-35 B230/B237 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Paper transfer unit contact error 
The paper transfer unit contact sensor does not detect the movement of 
actuator at the sensor while the polygon motor rotates. 
ƒ  Defective paper transfer unit contact sensor 
ƒ  Defective paper transfer unit contact motor 
ƒ  Broken +24V fuse on PSU 
ƒ Defective IOB 
452 D 
1.  Check the connection between the paper transfer unit and PSU. 
2.  Replace the...

 
B230/B237 4-36  SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Toner transport motor error 
The LOCK signal is not detected for 2 seconds when the transport 
motor turns on. 
ƒ  Toner transport motor overload 
ƒ  Disconnected or broken harness 
ƒ  Defective toner transport motor 
ƒ  Opened +24V fuse on the PSU 
ƒ  Defective interlock switch 
490 D 
1.  Check or replace the harness. 
2.  Replace the toner transport motor. 
3.  Replace the +24V fuse on the PSU. 
4.  Replace...

 
SM 4-37 B230/B237 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
High voltage power: Image transfer/ paper transfer bias output error 
An error signal is detected for 0.2 seconds when charging the 
separation, image transfer bet or paper transfer roller. 
ƒ High voltage leak 
ƒ Broken harness 
ƒ  Defective image transfer belt unit or paper transfer unit 
ƒ  Defective high voltage supply unit 
492 D 
1.  Check or replace the harness. 
2.  Replace the image...

 
B230/B237 4-38  SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
501  B  Paper Tray 1 error 
502  B  Paper Tray 2 error 
  When the tray lift motor is turned on, (if the upper limit is not detected 
within 10 seconds), the machine asks the user to reset the tray. If this 
condition occurs three consecutive times, the SC is generated. 
  ƒ  Defective paper lift sensor 
ƒ  Defective tray lift motor 
ƒ  Defective bottom plate lift mechanism 
ƒ Defective IOB 
   1.  Check if...

 
SM 4-39 B230/B237 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Tray 3 error (Paper Feed Unit or LCT) 
For the paper feed unit: 
ƒ  When the tray lift motor is turned on, the upper limit is not detected 
within 10 seconds 
For the LCT: 
ƒ  SC 503-01 occurs if the upper or lower limit is not detected within 8 
seconds when the tray lift motor is turned on to lift or lower the tray.
For the paper feed unit: 
ƒ  Defective tray lift motor or connector...

 
B230/B237 4-40  SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Tray 3 error (Paper Feed Unit or LCT) 
This SC is generated if the following condition occurs 3 consecutive 
times. 
For the paper feed unit: 
ƒ  When the tray lowers, the tray lift sensor does not go off within 1.5 
sec.  
For the LCT: 
ƒ  When the main switch is turned on or when the LCT is set, if the 
end fence is not in the home position (home position sensor ON), 
the tray lift motor stops.   
ƒ  If the...