Ricoh Mp C3000 Service Manual

							 
SM 4-49 B230/B237/D042 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
Heating roller thermistor error 
The temperature detected by the heating roller thermistor does not 
reach 0 °C for 6 seconds. 
ƒ Loose connection of heati ng roller thermistor 
ƒ Defective heating roller thermistor 
ƒ Defective thermopile 
551 A 
1.  Check if the heating roller t hermistor is firmly connected. 
2.  Replace the heating roller thermistor. 
3. Replace the thermopile. 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
Heating roller warm-up error 2 
After the main switch is turned on or the door is closed, the temperature 
detected by the heating  roller thermistor does not reach the ready 
temperature within 70 seconds during fusing unit warm-up. 
ƒ  Heating roller fusing lamp broken 
552 A 
1.  Check if the heating roller t hermistor is firmly connected. 
2.  Replace the heating roller fusing lamp. 
 
⇒
Rev. 10/2007
⇒ 
						

							B230/B237/D042 4-50 SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Heating roller fusing lamp overheat 2 (software error) 
The temperature detected by the heat ing roller thermistor stays at 
230°C or more for 1 second. 
ƒ  Defective PSU 
ƒ Defective IOB 
ƒ Defective BICU 
553 A 
1. Replace the PSU. 
2. Replace the IOB. 
3. Replace the BICU. 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
Heating roller fusing lamp overheat 1 (hardware error) 
The temperature detected by the heating roller thermistor reaches 
250°C or more. 
ƒ Defective PSU 
ƒ Defective IOB 
ƒ Defective BICU 
ƒ Defective fusing control system 
554 A 
1. Replace the PSU. 
2. Replace the IOB. 
3. Replace the BICU. 
 
 
⇒
Rev. 10/2007
⇒  
						

							 
SM 4-51 B230/B237/D042 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
Heating roller lamp consecutive full power 2 
The heating roller fusing lamp stays ON for 8 seconds or more while the 
fusing unit is in the Ready condition. 
ƒ Broken heating roller fusing lamp 
555 A 
1.  Replace the heating roller fusing lamp. 
2. Replace the PSU. 
 
No. Type Details (Symptom, Possible C ause, 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 mach ine determines that input 60 Hz and 
SC557 occurs. 
ƒ  Noise (High frequency) 
557 C 
1.  Check the power supply source. 
 
 
⇒
Rev. 10/2007 
						

							B230/B237/D042 4-52 SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Consecutive fusing jam 
The paper jam counter for the fusi ng 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) 
Pressure roller thermistor error 
The temperature measured by the pre ssure roller thermistor does not 
reach 0 °C for 20 seconds. 
ƒ  Loose connection of the pre ssure roller thermistor 
ƒ Defective thermopile 
ƒ Defective pressure roller thermistor 
561 A 
1.  Check if the pressure roller  thermistor is firmly connected. 
2. Replace the thermopile. 
3.  Replace the pressure roller thermistor. 
 
 
⇒
Rev. 10/2007 
						

							 
SM 4-53 B230/B237/D042 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
Pressure roller fusing lamp overheat (software error) 
The temperature detected by the pressure roller thermistor stays at 
230°C or more for 1 second. 
ƒ Defective PSU 
ƒ Defective IOB 
ƒ Defective BICU   
563 A 
1. Replace the PSU.  
2. Replace the IOB. 
3. Replace the BICU. 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
Pressure roller fusing lamp overheat (hardware error) 
The temperature detected by the pr essure roller thermistor reaches 
250°C or more. 
ƒ  Defective PSU 
ƒ Defective IOB 
ƒ Defective BICU 
ƒ Defective fusing control system 
564 A 
1. Replace the PSU.  
2. Replace the IOB. 
3. Replace the BICU. 
 
⇒
Rev. 10/2007
⇒  
						

							B230/B237/D042 4-54 SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Pressure roller lamp consecutive full power 
The pressure roller-fusing lamp stays ON at full power for 120 seconds 
or more while the fusing unit is in the Ready condition. 
ƒ Broken pressure roller fusing lamp 
565 A 
1.  Replace the pressure roller fusing lamp. 
2. Replace the PSU. 
 
No. Type Details (Symptom, Possible C ause, 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 mechanica
l 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/D042 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible C ause, 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/D042 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 si gnal which is generated by the 
peripherals only just after t he 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 per
ipherals are correctly connected. 
2.  Replace the PSU if no power is supplied to peripherals. 
3.  Replace the BICU or ma in board of peripherals. 
 
No. Type Details (Symptom, Possible C ause, 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/D042 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
MF accounting device error 1 
The controller sends data to the acc ounting 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 C ause, 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 C ause, 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 boar d of the accounting device. 
3. Replace the battery. 
  
						

							B230/B237/D042 4-58 SM 
No. Ty p e  Details (Symptom, Possible Cause, Troubleshooting Procedures) 
635 CTL 
B  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 
1.  Turn the main switch off and on. 
2.  Replace the controller boar d of the accounting device. 
3. Replace the battery. 
 
No. Ty p e  Details (Symptom, Possible C ause, Troubleshooting Procedures)
650 CTL 
B  Communication error of the remote service modem (Cumin-M) 
-001  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 
  1.  Check and set the correct user name (SP5816-156) and 
password (SP5816-157). 
-004    Incorrect modem setting 
 
Dial up fails due to the incorrect modem setting. 
 Same as -001 
 1.  Check and set the correct AT command (SP5819-160). 
-005   Communication line error 
 
The supplied voltage is not sufficient due to the defective 
communication line or defective connection. 
 
Same as -001 
 1.  Consult with the users local telephone company. 
-011   Incorrect network setting 
 
Both the NIC and Cumin-M are  activated at the same time. 
 Same as -001 
 1.  Disable the NIC with SP5985-1. 
Rev. 04/27/2011