Ricoh Mp C3000 Service Manual

 
SM 4-29 B230/B237/D042 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible C ause, 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 brok en high voltage cable 
ƒ Defective or not installed PCU 
ƒ Defective high voltage power supply 
    1.  Check or replace the...

B230/B237/D042 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, magent a, cyan, or yellow TD sensor 
exceeds the specifi ed 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...

 
SM 4-31 B230/B237/D042 
Trouble 
shooting 
 
No. Ty p e  Details (Symptom, Possible C ause, 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 disconnec ted, loose, defective 
ƒ A drawer connector...

B230/B237/D042 4-32 SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Drum gear position sensor error 
The machine does not detect the drum  position signal for three second 
at the drum phase adjustment. 
ƒ  Dirty or defective drum  gear position sensor 
380 C 
1. Replace the drum  gear position sensor. 
2. Replace the PCU. 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
Black Development/PCU drive motor error 
The machine detects a High signal...

 
SM 4-33 B230/B237/D042 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible C ause, 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...

B230/B237/D042 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 bel t 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 trans fer belt...

 
SM 4-35 B230/B237/D042 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible C ause, 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...

B230/B237/D042 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/D042 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
High voltage power: Image transfer/ p aper 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...

B230/B237/D042 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, t he SC is generated. 
  
ƒ
 Defective paper lift sensor 
ƒ Defective tray lift motor 
ƒ Defective bottom plate lift mechanism 
ƒ Defective IOB 
    1.  Check...