Ricoh B230 Service Manual

							 
SM 4-51 B230/B237 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Pressure roller lamp consecutive full power 2 
When the fusing unit is not running in the ready condition, the pressure 
roller-fusing lamp keeps ON full power for 8 seconds or more. 
ƒ  Broken pressure roller fusing lamp 
Related SC code: SC 545 
555 A 
1.  Replace the pressure roller fusing lamp. 
2. Replace the PSU. 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Zero cross frequency error 
When the zero cross signal is 66 or more and it is detected 10 times or 
more in 11 detections, the machine determines that input 60 Hz and 
SC557 occurs. 
ƒ  Noise (High frequency) 
557 C 
1.  Check the power supply source. 
  
						

							 
B230/B237 4-52  SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Consecutive fusing jam 
The paper jam counter for the fusing unit reaches 3 times. The paper 
jam counter is cleared if the paper is fed correctly.     
This SC is activated only when SP1159-001 is set to 1 (default 0). 
ƒ  Paper jam in the fusing unit. 
559 A 
Remove the paper that is jammed in the fusing unit. Then make sure 
that the fusing unit is clean and has no obstacles in the paper feed path.
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Heating roller thermopile error 
The temperature measured by the thermopile does not reach 0 °C for 
20 seconds. 
ƒ  Loose connection of the thermopile 
ƒ Defective thermopile 561 A 
1.  Check if the thermopile is firmly connected. 
2. Replace the thermopile. 
  
						

							 
SM 4-53 B230/B237 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Heating roller overheat 3 (software error) 
The detected fusing roller temperature stays at 230°C or more for 1 
second. 
ƒ Defective PSU 
ƒ Defective IOB 
ƒ Defective BICU  
563 A 
1. Replace the thermistor. 
2. Replace the PSU.  
3. Replace the IOB. 
4. Replace the BICU. 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Heating roller overheat 3 (hardware error) 
The thermopile detects 250°C or more. 
ƒ Defective PSU 
ƒ Defective IOB 
ƒ Defective BICU 
ƒ  Defective fusing control system 
564 A 
1. Replace the thermistor. 
2. Replace the PSU.  
3. Replace the IOB. 
4. Replace the BICU. 
  
						

							 
B230/B237 4-54  SM 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Heating lamp consecutive full power 3 
When the fusing unit is not running in the ready condition, the pressure 
roller-fusing lamp keeps ON full power for 120 seconds or more. 
ƒ  Broken heating roller fusing lamp 
565 A 
1.  Replace the heating roller lamp. 
2. Replace the PSU. 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
610  D  Mechanical counter error: Bk 
611  D  Mechanical counter error: FC 
  This SC is only for NA models. 
The machine detects the mechanical counter error when SP5987-001 
is set to 1. 
  ƒ  Disconnected mechanical counter 
ƒ  Defective mechanical counter 
    1.  Check or replace the mechanical counter. 
  
						

							 
SM 4-55 B230/B237 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
ARDF communication error 
After the ARDF is detected, the break signal occurs or communication 
timeout occurs. 
ƒ  Incorrect installation of ARDF 
ƒ ARDF defective 
ƒ BICU board defective 
ƒ External noise 
620 D 
1.  Check the cable connection of the ARDF. 
2.  Shut out the external noise. 
3. Replace the ARDF. 
4.  Replace the BICU board. 
  
						

							 
B230/B237 4-56  SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
621  D  Finisher communication error 
622  D  Paper tray unit communication error 
  While the BICU communicates with an optional unit, an SC code is 
displayed if one of following conditions occurs. 
ƒ  The BICU receives the break signal which is generated by the 
peripherals only just after the main switch is turned on. 
ƒ  When the BICU does not receive an OK signal from a peripheral 
100ms after sending a command to it. The BICU resends the 
command. The BICU does not receive an OK signal after sending 
the command 3 times. 
  ƒ Cable problems 
ƒ BICU problems 
ƒ  PSU problems in the machine 
ƒ  Main board problems in the peripherals 
   1.  Check if the cables of peripherals are correctly connected. 
2.  Replace the PSU if no power is supplied to peripherals. 
3.  Replace the BICU or main board of peripherals. 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
CSS communication error 
A communication error occurred during communication with the CSS. 
ƒ  Communication line error 
630 CTL 
C 
Logging only. 
  
						

							 
SM 4-57 B230/B237 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
MF accounting device error 1 
The controller sends data to the accounting device, but the device does 
not respond. This occurs three times. 
ƒ  Loose connection between the controller and the accounting 
device 
632 CTL 
B 
1.  Check the connection. 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
MF accounting device error 2 
After communication is established, the controller receives the brake 
signal from the accounting device. 
ƒ  Loose connection between the controller and the accounting 
device 
633 CTL 
B 
1.  Check the connection. 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
MF accounting device error 3 
The accounting device sends the controller the report that indicates a 
backup RAM error has occurred. 
ƒ  Defective controller of the MF accounting device 
ƒ Battery error 634 CTL 
B 
1.  Turn the main switch off and on. 
2.  Replace the controller board of the accounting device. 
3. Replace the battery. 
  
						

							 
B230/B237 4-58  SM 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
MF accounting device error 4 
The accounting device sends the controller the report that indicates the 
battery voltage error has occurred. 
ƒ  Defective controller of the MF accounting device 
ƒ Battery error 635 CTL 
B 
1.  Turn the main switch off and on. 
2.  Replace the controller board of the accounting device. 
3. Replace the battery. 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
650 CTL 
B Communication error of the remote service modem (Cumin-M) 
 Authentication error 
  The authentication for the Cumin-M fails at a dial up connection. 
 ƒ Incorrect SP settings 
ƒ  Disconnected telephone line 
ƒ  Disconnected modem board -001 
 1.  Check and set the correct user name (SP5816-156) and 
password (SP5816-157). 
  Incorrect modem setting 
  Dial up fails due to the incorrect modem setting. 
  Same as -001 
-004 
  1.  Check and set the correct AT command (SP5819-160). 
  Communication line error -005 
 The supplied voltage is not sufficient due to the defective 
communication line or defective connection.  
						

							 
SM 4-59 B230/B237 
Trouble 
shooting 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
  Same as -001 
  1.  Consult with the users local telephone company. 
  Incorrect network setting 
  Both the NIC and Cumin-M are activated at the same time. 
  Same as -001 
-011 
  1.  Disable the NIC with SP5985-1. 
  Modem board error 
 The modem board does not work properly even though the 
setting of the modem board is installed with a dial up connection. 
  Same as -001 -012 
 1.  Install the modem board. 
2.  Check and reset the modem board setting with SP5816. 
3.  Replace the modem board. 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Incorrect dial up connection 
-001: Program parameter error 
-002: Program execution error 
An unexpected error occurs when the modem (Cumin-M) tries to call 
the center with a dial up connection. 
ƒ  Caused by a software bug 
651 CTL 
C 
No action required because this SC does not interfere with operation of 
the machine. 
  
						

							 
B230/B237 4-60  SM 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
EEPROM error 
Retry of EEPROM communication fails three times after the machine 
has detected the EEPROM error. 
ƒ  Caused by noise 
669 D 
Turn the main power switch off and on. 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
No response from BICU at power on 
When the main power is turned on or the machine starts warming up 
from energy-saving mode, the controller does not receive a command 
signal from the BICU. 
ƒ Loose connection 
ƒ Defective controller 
ƒ Defective BICU 670 CTL 
D 
1.  Check the connection between the BICU and controller. 
2. Replace the controller. 
3. Replace the BICU.