Ricoh Mp C3000 Service Manual

 
SM 4-39 B230/B237/D042 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible C ause, 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 lowe r 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/D042 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 follo wing 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 t he home position (home pos ition sensor ON), 
the tray lift motor stops.   
ƒ  If...

 
SM 4-41 B230/B237/D042 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
Tray 4 error (Paper Feed Unit or LCT) 
For the two-tray paper feed unit  
When the tray lift motor is turned on,  the upper limit is not detected 
within 10 seconds. If this condition oc curs three consecutive times, the 
SC is generated. 
For the LCT  
If the upper or lower limit is not detec ted within 8 seconds when the tray 
lift motor is turned on to lift up or lower the tray 
ƒ...

B230/B237/D042 4-42 SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Tray 4 error (3 Tray Paper Feed Unit) 
This SC is generated if the follo wing condition occurs 3 consecutive 
times. 
For the two-tray paper feed unit  
ƒ When the tray lowers, the tray lift sensor does not go off within 1.5 
sec. 
For the LCT  
ƒ If the upper limit does not go off for 1.5 seconds even the tray lift 
motor turns on to lower the tray after the upper limit has been 
detected at power on. 
ƒ...

 
SM 4-43 B230/B237/D042 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
Drive unit fan error 
The BICU does not receive the lock  signal 10 seconds after turning on 
the drive unit fan motor. 
ƒ  Defective drive unit fan motor 
531 D 
1.  Replace the drive unit fan motor. 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
Ventilation fan (at the left side of  the machine) motor-front/rear error 
The BICU does not receive the lock...

B230/B237/D042 4-44 SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Fusing exit sensor fan error 
The BICU does not receive the lock  signal 10 seconds after turning on 
the fusing fan motor. 
ƒ  Defective fusing fan motor 
534 D 
1.  Replace the fusing exit sensor fan motor (at the front right side of the machine). 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
PSU fan 1/2 error 
The BICU does not receive the lock  signal 10 seconds after...

 
SM 4-45 B230/B237/D042 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
Fusing/Paper exit motor error 
The BICU does not receive the lock  signal 10 seconds after turning on 
the Fusing/Paper exit motor. 
ƒ  Motor overload   
ƒ Defective fusing/paper exit motor 
540 D 
1.  Replace the fusing/paper exit motor. 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
Heating roller thermopile error 1 
The temperature measured by the he...

B230/B237/D042 4-46 SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Heating roller warm-up error 1 
ƒ After the main switch is turned on or the cover is closed, the 
increment of the heating roller te mperature per 10 seconds is 30°C 
or less. If this condition is detect ed five times consecutively, SC 
542 is defined. 
ƒ  The temperature detected by the heating roller thermopile does not 
reach 100°C for 15 seconds afte r the heating lamp is on. 
ƒ The heating roller...

 
SM 4-47 B230/B237/D042 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
Heating roller fusing lamp overheat 1 (software error) 
The temperature detected by the heat ing roller thermopile stays at 
230°C for 1 second. 
ƒ  Defective PSU 
ƒ Defective IOB 
ƒ Defective BICU 
543 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...

B230/B237/D042 4-48 SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Heating roller fusing lamp consecutive full power 1 
When the fusing unit is not running in  the ready condition, the heating 
roller fusing lamp keeps ON full  power for 8 seconds or more. 
ƒ Broken heating roller fusing lamp 
545 A 
1.  Replace the heating roller fusing lamp. 
2. Replace the PSU. 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
Zero cross error 
ƒ The zero cross...