Ricoh Mp C3000 Service Manual

 
SM 4-119 B230/B237/D042 
Trouble 
shooting 
4.7 ELECTRICAL COMPONENT DEFECTS 
4.7.1 SENSORS  
 
ƒ  The CN numbers in the following table ar e the connector numbers on the BICU. 
 
No. Sensor Name/ 
Sensor Board Name ActiveCN ConditionSymptom 
Open  Open Cover is 
displayed 
SW01 Right Cover Open 
Switch  L CN211/35 
Shorted Right cover open 
cannot be detected. 
S01 ID Sensor  A  CN213  Open/ 
Shorted SC400 
Open  Jam A (Jam8, 17) 
S02 Registration Sensor L  CN212/2 
Shorted Jam A, B (Jam1) 
S03 Drum...

B230/B237/D042 4-120 SM 
No. Sensor Name/ 
Sensor Board Name ActiveCN ConditionSymptom 
Toner End Sensor - K toner. 
S11 Image Transfer Belt 
Rotation Sensor  H/L CN233/15 Open/ 
Shorted SC443 
Open  Jam A (Jam3, 11) 
S12  Paper Feed Sensor 1  L  CN281/2 
Shorted Jam A, B (Jam1) 
Open Paper end is not 
detected when there is 
no paper in the paper 
tray. 
S13 
S16 
Paper End   
Sensor 1, 2 
L CN281/5, 
14 
Shorted Paper end is detected 
when there is paper in 
the paper tray. 
S14 
S17 
Paper Lift Sensor...

 
SM 4-121 B230/B237/D042 
Trouble 
shooting 
No. Sensor Name/ 
Sensor Board Name ActiveCN ConditionSymptom 
tray is not detected 
when paper is set. 
Detection Sensor 
Shorted Paper on the by-pass 
tray is detected when 
paper is not set. 
Open  Jam C (Jam 18) 
S24 
Fusing Entrance 
Sensor  L CN283/B6 
Shorted  Jam C (Jam 1) 
Open  Jam Z (Jam 27) 
S25 Duplex Entrance 
Sensor  L CN283/B9 
Shorted  Jam Z (Jam 1) 
Open  Jam Z (Jam 25) 
S26  Duplex Exit Sensor  L  CN283/B12 Shorted  Jam Z (Jam 1) 
S27  TD...

B230/B237/D042 4-122 SM 
No. Sensor Name/ 
Sensor Board Name ActiveCN ConditionSymptom 
cannot be detected 
when the waste toner 
bottle is nearly full. 
Open Waste toner bottle is 
not detected when the 
waste toner bottle is 
set. 
SW03 
Waste Toner Bottle 
Set Switch  L CN251/A4 
Shorted Waste toner bottle is 
detected when the 
waste toner bottle is 
set. 
S33 
Tray 2 Paper Size 
Switch  L CN251/B8, 
B9, B10, 
B12  Open/ 
Shorted 
Paper size error 
S34 Temperature/ 
Humidity Sensor  A CN286/1, 3Open/...

 
SM 4-123 B230/B237/D042 
Trouble 
shooting 
No. Sensor Name/ 
Sensor Board Name ActiveCN ConditionSymptom 
Open  Paper overflow 
message is not 
displayed when the 
paper overflow 
condition still remains.   
S37 
Paper Overflow 
Sensor  L CN218/15 
Shorted Paper overflow 
message is displayed 
when the paper 
overflow condition does 
not remain. 
S38 
Original Width 
Sensor 1  A CN313/2 Open/ 
Shorted Original paper size 
cannot be detected. 
S39 
Original Width 
Sensor 2  A CN313/5 
S40 Original...

B230/B237/D042 4-124 SM 
No. Sensor Name/ 
Sensor Board Name ActiveCN ConditionSymptom 
Contact Sensor Shorted 
4.7.2  BLOWN FUSE CONDITIONS 
Power Supply Unit 
Rating 
Fuse 
115V 220V - 240V
Symptom when turning on the main switch  
FU1 5A/250V 5A/250V 5VE power to  the SIO and IOB not supplied. 
FU2 5A/250V  5A/250V No response. (5V power to the BICU and 
controller is not supplied.) 
FU3  5A/250V  5A/250V  5V power to t
he IOB and finisher is not supplied. 
FU4  10A/125V  10A/125V  24V power to t he...

 
SERVICE TABLES 
SECTION 5    SERVICE TABLES (SP MODES) REVISION HISTORY 
Page Date Added/Updated/New 
29    03/30/2007  SP 2103 
226 ~ 227  07/27/2007  SP modes 
275 ~ 276  09/16/2009  SP5985 
278    02/19/2009  SP6009-002 
283 ~ 285  11/29/2006  SP6136 
395 ~ 429  04/07/2009  SP1001 
405    03/30/2007  Firmware Update 
 
  

 
SM 5-1 B230/B237/D042 
Service 
Tables 
5. SERVICE TABLES 
5.1 SERVICE PROGRAM MODE 
 
ƒ  Make sure that the data-in LED (
) is not on before you go in to the SP mode. This 
LED indicates that some data is coming to  the machine. When the LED is on, wait 
for the copier to process the data. 
5.1.1 ENTERING AND EXITING  SERVICE PROGRAM MODE 
 
ƒ  The Service Program Mode is for use by se rvice representatives only. If this mode 
is used by anyone other than service repr esentatives for any reason, data...

 
B230/B237/D042 5-2 SM 
 
SP Mode Button Summary 
Here is a short summary of the touch-panel buttons. 
 
 
  Opens all SP groups and sublevels. 
 Closes all open groups and sublevels and re
stores the initial SP mode display. 
 Opens the copy window (copy mode) so y
ou can make test copies. Press SP Mode 
(highlighted) in the copy window to return to the SP mode screen, 
  Enter the SP code directly with the number
 keys if you know the SP number. Then 
press . (The required SP Mode number w ill be...