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Sc-540 i have tested the heater fuse and lamps they are ok all but the heater is cold ?????

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Chris Coughlin

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A SC540 error code dose deal with the fuser unit. You said you checked the fuser lamp & thermal fuse > have you cleaned or replaced the two thermistor's???? If one of them are shorting out, the fuser will never warm up... Have you cheated the front door and look to see if the lamps turn "ON"??? If they do, then it has to be the thermistor's..... Good Luck

Posted on Feb 29, 2012

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How can i fix a ricoh afecio Sp 4310N error sc542?


Hello,

SC542 is a fuser warm-up error, the text below is from the manual:

When the fusing unit is not running after the main switch has been turned on or recovering, the increment of
the heating roller temperature per three seconds is 17°C or less. If this condition is detected five times
consecutively, SC 542 is defined.

The heating roller temperature does not reach the ready temperature while 150 seconds after the heating lamp
has been turned on.

So either the heater lamp has failed, the temperature sensor has failed, or the control board has failed.

Possible causes:
• Heating roller fusing lamp broken
• Defective heating roller thermistor
• Defective BCU
1Check if the heating roller thermistor is firmly connected.
2. Replace the fusing unit.
3. Replace the BCU.

If you replace the fuser unit, you may still need to reset the SC error.

Feb 03, 2018 | Ricoh Office Equipment & Supplies

1 Answer

Toshiba refrigrator no frost issue, how to solve?


THERMAL FUSE IN A FRIDGE? WHICH FUSE DID U CHECK? HAVE U CHECKED THE COLD CONTROL THERMOSTAT? TEST THE COMPRESSOR AND RELAY? TEST ALL THERMISTORS ALSO.
LASTLY MAKE SURE THE CONDENSER FAN AND COILS ARE CLEANED

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May 13, 2015 | Dryers

1 Answer

Tengo problema con mi fotocopiadora dialta 2010f sale el codigo c0500


C 0500 fusing warm up main heater failure.Check that the fusing roller heater lamp comes ON when the power switch is set to ON,and correct or replace as neccesary.Check that the fusing roller sub heater lamps is OK,correct or replace.Check the instalation of the fusing roller thermistor and the fusing roller sub thermistor.Check the continuity of the heater lamp.To reset see image 5fd5fac2-0009-4536-8a7a-4e4da712d30d.jpg

Jul 11, 2014 | Minolta DI-2010F Copier

1 Answer

Can power on


Check the fuses.Blown fuse conditions
FU1 - 6,3A Doors/covers open is displayed.
FU2 - 6,3A Doors/covers open for the finisher is displayed.
FU3 - 4A paper end condition.
FU4 - 6,3A SC 121 is displayed.
FU5 - 6,3A one of SC302 or SC403 or SC405 is displayed.
FU101 - 15A no response.
Fu 102 - 8A no response.
FU103 - 1A normal operation,optional heaters do not work.
If FU or 102 is the problem,verify the main motor and the fusing unit heater lamps and thermofuses.After change the problematic fuse removal the fusing unit and turn ON the copier.

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my reecho mpc6000 calur macing problem yellow toner add , pl help

Jan 31, 2013 | Ricoh Aficio Office Equipment & Supplies

1 Answer

I have a 94 mercury grand marquis i am working on. i cannot get the heater temperature control to change off of cold it is a ls with the slide control on the heater/ac. the vacum controls are all working...


  • Check fuse 17 at the fuse panel.

  • start here


    snorkelbobby_28.gif
    B3 MANUAL A/C ELECTRONIC DOOR ACTUATOR SUPPLY VOLTAGE CHECK
    • Disconnect A/C electronic door actuator motor connector located on the evaporator case and accessed through the glove compartment opening.
    • Using a test lamp, check for battery voltage between Circuit 247 and Circuit 246.
    • Did test lamp illuminate?


    snorkelbobby_29.gif
    Pin Number Circuit Circuit Function 1 - Not Used 2 - Not Used 3 351 (BR/W) Control Potentiometer Wiper 4 243 (LG/O) Control Potentiometer Ground 5 - Not Used 6 470 (PK/BK) Control Potentiometer B+ 7 247 (W/Y) Actuator B+ 8 246 (P) Actuator Ground

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    I have a ricoh aficio sp c420dn, when and turn on the screen showing error sc542


    You may try first to reset the SC 542 before calling a technician!

    That you can do by following method:

    1.Turn the machine off and then after 5 second turn it on while pressing the “On Line” key and “Escape” key together until “SYSTEMver x.xx/1. Service” shows on the display.
    2.Use the “Up/Down arrow” keys to scroll through the menu listing.
    3. Press the (OK) key while
    on the display writes " 2. Engine " .
    4.go to "[5810 001] - Fusing SC Reset" by scrolling the “Up/Down arrow” keys and press the [OK] key (on the display should write execute or done) press [OK] again if is needed to press it.
    5. After this turn off and than after 5 second turn it on the machine.
    Please do not change nothing else in this menu only reset the fusing unit SC code, because if you change some other values and settings you might to regret that and pay high price for that.
    So only reset the Fuser SC code SC542 by the upper mentioned method and do nothing else, if the SC code appear again then do not try this again because you might burn some parts.
    If this do not help than call the technician.
    Please answer do this is helpful for i to know do the problem was solved.
    Regards

    Jan 10, 2010 | Ricoh Office Equipment & Supplies

    1 Answer

    I have lost my tv remote for my syphonic tv


    One website gives instructions on how to use the AUTO CODE SCAN feature of your remote, even if you don't have the code numbers. Take the following steps to access this info.
    Step 1) Type REMOTECODELIST.COM into the Google searchbox, and click on GO or SEARCH.
    Step 2) Once you are on the website, scroll down the page until you see JENSEN in big red letters, on the left hand side.
    Step 3) Look under JENSEN for SC-540 ( in purple letters), and click on SC-540.
    Step 4) Look on the right side of the page for instructions on how to do an AUTO CODE SCAN.

    Hope this helps you out. Please take a moment to rate this solution, by using the rating system below. Thanks.

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    1 Answer

    Ricoh 6513


    A sc541 code is with the fixing ass'y did you try to reset it? Did it come right back? Is the fuser warm to the touch? If so it is most likly to be one or both of the termister in the fuser. If it is cold it may be the fuser heatting lamp or thermal fuse

    Feb 08, 2008 | Ricoh 6513 Copier

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