Ricoh Mp C3000 Service Manual
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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 Gear Position Sensor-K H CN212/5 Open/ Shorted SC380 S04 Drum Gear Position Sensor-CMY H CN212/8 Open/ Shorted SC380 Open SC296 S05 Shutter Positioning Sensor - Open H CN214/26 Shorted SC293 Open SC296 S06 Shutter Positioning Sensor - Close H CN214/29 Shorted SC290 Open Toner end cannot be detected. S07 S08 S09 S10 Toner End Sensor - Y Toner End Sensor - C Toner End Sensor - M L CN232/A16 CN232/B1 CN232/B4 CN232/B7 Shorted Toner end is detected when there is enough
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 1, 2 H CN281/8, 17 Open/ Shorted SC501, SC502 Open Jam A (Jam4, 12) S15 Paper Feed Sensor 2 L CN281/11 Shorted Jam A, B (Jam1) S18 S19 Tray 1 Paper Height Sensor 1, 2 L CN282/2, 5Open/ Shorted Remaining paper volume on the LCD is wrong. Open Tray 1 is not detected when tray 1 is set. SW02 Tray 1 Set Switch L CN282/17 Shorted Tray 1 is detected when tray 1 is not set. S22 By-pass Paper Size Sensor L CN283/A1, A2, A4, A5 Open/ Shorted Paper size error S23 By-pass Paper L CN283/A7 Open Paper on the by-pass
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 Sensor - K A CN217/7 Open/ Shorted SC372 S28 TD Sensor - C A CN217/15 Open/ Shorted SC374 S29 TD Sensor - Y A CN217/23 Open/ Shorted SC375 S30 TD Sensor - M A CN217/31 Open/ Shorted SC373 Open Jam C (Jam 19) S31 Fusing Exit Sensor L CN253/2 Shorted Jam C (Jam 1) Open Waste toner near full indicated when it is not near full. S32 Waste Toner Sensor H CN251/A2 Shorted Waste toner near full
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/ Shorted SC498 Printed image has some problems such as rough image, dirty background, weak image or poor fusing. S35 Thermopile A CN286/8 Open/ Shorted SC541 TH1 Thermistor - Heating Roller A CN257/9, 11 Open/ Shorted SC551 TH2 Thermistor - Pressure Roller A CN257/30 Open/ Shorted SC561 Open Jam C (Jam 20) S36 Paper Exit Sensor L CN218/12 Shorted Jam C (Jam 1)
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 Length Sensor 1 A CN313/8 S41 Original Length Sensor 2 A CN313/11 S42 Original Length Sensor 3 A CN313/14 Open/ Shorted Original paper size cannot be detected. Open SC120 S43 Scanner HP Sensor H CN318/2 Shorted SC121 S44 Platen Cover Sensor L CN318/5 Open/ Shorted Platen cover open cannot be detected. (M6) Paper Transfer Roller HP Sensor L CN214/19 Open/ Shorted SC452 (M8) Image Transfer Belt L CN215/2 Open/ SC442
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 BICU finisher is not supplied. FU5 10A/125V 10A/125V 24V power to the SIO and IOB not supplied. FU6 10A/125V 10A/125V 24VS1 power to the IOB not supplied. FU7 10A/125V 10A/125V 24VS2 power to the IOB not supplied. FU501 2A/250V 2A/250V PSU fan does not turn on. FU101 15A/125V 8A/250V No response. FU102 15A/125V 6.3A/250V Fusing heater does not turn on. FU103 2A/250V 2A/250V Tray heater does not turn on.
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 might be deleted or settings might be changed. In such case, product quality cannot be guaranteed any more. Entering SP Mode 1. Press the Clear Mode key (). 2. Use keypad to enter 107 ( ). 3. Hold down Clear/Stop ( ) for 3 seconds at least. 4. Enter the Service Mode. Exiting SP Mode 1. Press Exit on the LCD twice to return to the copy window. 5.1.2 TYPES OF SP MODES ƒ Copy SP: SP modes related to the engine functions ƒ Printer SP: SP modes relat ed to the controller functions ƒ Scanner SP: SP modes relat ed to the scanner functions ƒ Fax SP: SP modes related to the fax functions Select one of the Service Program modes (Copy, Printer, Scanner, or Fax) from the touch panel as shown in the diagram below after y ou access the SP mode. This section explains the functions of the Printer/Copy/Scanner SP modes. Refer to the Fax service manual for the Fax SP modes.
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 highlighted when pressing . If not, just press the required SP Mode number.) Press two times to leave the SP mode and return to the copy window to resume