Ricoh Mp C3000 Service Manual

 
SM 4-9 B230/B237/D042 
Trouble 
shooting 
4.3  SERVICE CALL CONDITIONS 
4.3.1 SUMMARY 
The ‘SC Table’ section shows the SC codes for  controller errors and other errors. The latter 
(not controller errors) are put into four types. The type is determined by their reset 
procedures. The table shows the  classification of the SC codes. 
 
 Key Definition Reset Procedure 
Controller 
errors  CTL The error has occurred in the 
controller.  See “Troubleshooting Procedure” 
in the table. 
A The error involves...

B230/B237/D042 4-10 SM 
code is detected. 
 
ƒ  If the problem is related electrical circuit boards, first di sconnect then reconnect 
the connectors before yo u replace the PCBs. 
ƒ  If the problem concerns a motor lock,  first check the mechanical load before you 
replace motors or sensors. 
SC Code Classification 
The table shows the classification of the SC codes: 
Class 1 Section SC CodeDetailed section 
100 -  Scanner 
1XX Scanning   190 -  Unique for a specific model 
200 -  Polygon motor 
220 -...

 
SM 4-11 B230/B237/D042 
Trouble 
shooting 
Class 1 Section SC CodeDetailed section 
480 -  Others 
500 -  Paper feed 
515 -  Duplex 5XX  Paper feed / Fusing 
520 -  Paper transport 
530 -  Fan motor 
540 -  Fusing 
560 -  Others 
5XX  Paper feed / Fusing 
570 -  Unique for a specific model 
600 -  Electrical counters 
620 -  Mechanical counters 
630 -  Account control 
640 -  CSS 
650 -  Network 
670 -  Internal data processing 
6XX Communication 
680 -  Unique for a specific model 
700 -  Original...

B230/B237/D042 4-12 SM 
Class 1 Section SC CodeDetailed section 
900 -  Counter 
920 -  Memory 9XX Others 
990 -  Others 
  

 
SM 4-13 B230/B237/D042 
Trouble 
shooting 
4.4 SC TABLE 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
Exposure lamp error 
-001: Shading at AGC 
-002: Shading at scanning 
The peak white level is less than  64/255 digits (8 bits) when scanning 
the shading plate. (The  shading data peak does not  reach the specified 
threshold) 
ƒ  Exposure lamp defective 
ƒ Lamp stabilizer defective 
ƒ Exposure lamp connector defective 
ƒ Standard white plate dirty 
ƒ Scanner mirror or...

B230/B237/D042 4-14 SM 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
1.  Check the cable connection between the SIO board and scanner 
motor. 
2.  Check the cable connection between the SBU and HP sensor. 
3.  Replace the scanner motor. 
4.  Replace the HP sensor. 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
Scanner home position error 2 
The scanner home position  sensor does not detect the “ON” condition 
during operation. 
ƒ  Scanner motor...

 
SM 4-15 B230/B237/D042 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
White level detection error 
The white level cannot be adjusted within the target during auto gain 
control. 
ƒ Dirty exposure glass or optics section 
ƒ SBU board defective 
ƒ Exposure lamp defective 
ƒ Lamp stabilizer defective 
142 D 
1.  Clean the exposure glass, wh ite plate, mirrors, and lens. 
2.  Check if the exposure lamp  is lit during initialization. 
3.  Check the harness...

B230/B237/D042 4-16 SM 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
ƒ Defective SIO   
ƒ Defective harness 
ƒ Defective detection port on the BICU 
1. Replace the harness. 
2. Replace the SIO. 
3. Replace the BICU. 
GASBU reset error   
The serial communication does not work. 
ƒ Defective SBU 
ƒ Defective detection  circuit on the BICU 
ƒ Defective harness 
-003 D 
1. Replace the SBU. 
2. Replace the BICU. 
3. Replace the harness. 
 
No. Type Details (Symptom, Possible C ause,...

 
SM 4-17 B230/B237/D042 
Trouble 
shooting 
 
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 
Copy Data Security Unit error 
ƒ The copy data security board is  not detected when the copy data 
security function is set ON with the initial setting. 
ƒ  A device check error occurs when the  copy data security function is 
set ON with the initial setting. 
ƒ  Incorrect installation of the copy data security board 
ƒ Defective copy data security board 
165 D 
1.  Reinstall the copy...

B230/B237/D042 4-18 SM 
 
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 
Polygon motor error 1: ON timeout 
The polygon mirror motor does not reach the targeted operating speed 
within the specified time af ter turning on or changing speed 
ƒ Defective or disconnected harness to polygon motor driver board 
ƒ Defective polygon motor driver board   
ƒ Defective polygon motor. 
202 D 
1.  Replace the polygon motor. 
2.  Replace the laser optics housing unit. 
3. Replace the harness....