Ricoh B230 Service Manual
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SM 4-121 B230/B237 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 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 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 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 the IOB and finisher is not supplied. FU4 10A/125V 10A/125V 24V power to the 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.
SM 5-1 B230/B237 Service Tables 5. SERVICE TABLES 5.1 SERVICE PROGRAM MODE ƒ Make sure that the data-in LED ( ) is not on before you go into 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 service representatives only. If this mode is used by anyone other than service representatives 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 related to the controller functions ƒ Scanner SP: SP modes related 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 you 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 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 restores the initial SP mode display. Opens the copy window (copy mode) so you 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 will 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
SM 5-3 B230/B237 Service Tables normal operation. Press any Class 1 number to open a list of Class 2 SP modes. Press to scroll the show to the previous or next group. Press to scroll to the previous or next display in segments the size of the screen display (page). Press to scroll the show the previous or next line (line by line). Press to move the highlight on the left to the previous or next selection in the list. Switching Between SP Mode and Copy Mode for Test Printing 1. In the SP mode, select the test print. Then press Copy Window. 2. Use the copy window (copier mode), to select the appropriate settings (paper size, etc.) for the test print. 3. Press Start to start the test print. 4. Press SP Mode (highlighted) to return to the SP mode screen and repeat from step 1. Selecting the Program Number Program numbers have two or three levels. 1. Refer to the Service Tables to find the SP that you want to adjust before you begin. 2. Press the Group number on the left side SP Mode window that contains the SP that you want to adjust. 3. Use the scrolling buttons in the center of the SP mode window to show the SP number that you want to open. Then press that number to expand the list. 4. Use the center touch-panel buttons to scroll to the number and title of the item that you want to set and press it. The small entry box on the right activates and shows the default or the current settings.
B230/B237 5-4 SM ƒ Refer to the Service Tables for the range of allowed settings. 1. Do this procedure to enter a setting: ƒ Press to toggle between plus and minus and use the keypad to enter the appropriate number. The number you enter writes over the previous setting. ƒ Press to enter the setting. (The value is not registered if you enter a number that is out of range.) ƒ Press “Yes” when you are prompted to complete the selection. 2. If you need to perform a test print, press Copy Window to open the copy window and select the settings for the test print. Press Start and then press SP Mode (highlighted) in the copy window to return to the SP mode display. 3. Press Exit two times to return to the copy window when you are finished. Exiting Service Mode Press the Exit key on the touch-panel. Service Mode Lock/Unlock At locations where the machine contains sensitive data, the customer engineer cannot operate the machine until the Administrator turns the service mode lock off. This function makes sure that work on the machine is always done with the permission of the Administrator. 1. If you cannot go into the SP mode, ask the Administrator to log in with the User Tool and then set “Service Mode Lock” to OFF after he or she logs in: User Tools > System Settings > Administrator Tools > Service Mode Lock > OFF ƒ This unlocks the machine and lets you get access to all the SP codes. ƒ The CE can service the machine and turn the machine off and on. It is not necessary to ask the Administrator to log in again each time the machine is turned on.