Question about Ricoh SP C320DN AllInOne Laser Printer

2 Answers

Error sc543 sp c320dn

Can anyone help me finding service mode for this printer so as to fix this error code ?

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  • Anonymous Mar 18, 2014

    sp c320dn cs543



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SC542, SC543, SC544, SC546,
These codes are related to fuser temperature. Make sure that power source voltage are not low. check thermisters, fusing lamps etc. To reset this code press "All clear" yellow key, enter 107 and press the red key for some seconds. Sevice mode will be displayed, enter SP 5-810 (SC code reset) and select "1". Then hold down the Photo mode key and the # key at the same time for at least 3 seconds

Posted on Feb 17, 2012

  • pankaj singh
    pankaj singh Mar 23, 2017

    sir sp310dn only tiw key but i no key reset


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ODCaloney has some helpful information, but none of the other answers are correct for this model.

C320DN - Error code: SC543

The fix below is for INFORMATIONAL PURPOSES ONLY. The best path forward when trying to fix your printer is to CALL RICOH support at 800-742-6438 and use Option 1.

You took the time to google/bing/yahoo this answer, take the additional time to call RICOH as they are the definitive experts on their products.

Error / Model specific instructions.
Error: SC543
Model: Ricoh Aficio SP C320DN

First, enter service mode:
Press and hold the UP & DOWN arrows for 10 seconds
(The screen will NOT indicate any change upon release, this is expected)
Press Ok.

Use the down arrow to select "Engine"
Press Ok

Use the Right Arrow to select "5. Mode"
Press Ok

Use the Left Arrow to select "5.810 SC Reset"
*CAUTION* If it says ANYTHING OTHER THAN "5.810 SC Reset" then do NOT continue. - Call Ricoh...

Press Ok

Press the "Up Arrow" key that is beneath the "Execute" option on the screen.

Again, Press the "Up Arrow" key that is beneath the "Execute" option on the screen.

Power Off/On as told to do so by on-screen instruction.
I hope that you called Ricoh and that they confirmed these instructions for you.

Best of luck,

PS: Call Ricoh (800) 742-6438 Option 1
PSS: They will ask you for your serial number, on this model it's on the back, lower-right corner.
PSSS: Call Ricoh

Posted on Mar 11, 2015


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Posted on Jan 02, 2017

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SOURCE: the wrench icon is on and code SC543-00 show up in the screen

That code indicates a fuser overheat error or hot roller fusing lamp overheat. Refer to your manual if you have it. Good luck.

Posted on Mar 16, 2009

  • 1 Answer

SOURCE: Ricoh aficio 1232c error code sc 543

This is a fuser problem,possibly a dirty thermistor, but try resetting it first.....
Press yellow key
key in 1,0,7
then press and KEEP HELD DOWN the orange key until the screen alters into service mode. (about 5 seconds)
Then switch off the copier with the main orange on/off switch. Located just below the front cover....

Posted on Jan 22, 2009

  • 63 Answers

SOURCE: Error code SC543

press .....clear modes 1-0-7 and hold clear/stop until the screen changes to service mode then unplug the machine and plug it back in and turn it back on Good luck

Posted on May 04, 2009

  • 87 Answers

SOURCE: Ricoh SP C410DN error code SC306

Reaseat the cyan photo conductor

Posted on Feb 23, 2008

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Error sc542

SC542 is a fuser related error code, this will need to be reset.

Probable causes are:

• Defective thermistor
• Incorrect power supply input at the main power socket
• Defective fusing lamp

Corrective actions :
1. Check the voltage of the wall outlet.
2. Replace the fusing unit
3. Replace the fusing lamp.

Resetting the code:

Execute "Fuser SC Reset" with Some (printer models) or "Engine Maintenance Menu" (MF model) to recover the machine after completing the recovery procedure. Otherwise, the machine continues to issue this SC code and cannot be operated.

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• Fusing thermistor defective or out of position
• Fusing lamp open
• Fusing thermostat open
• Poor connection of the fusing unit
Inspect all the elements before mentioned, soon presses total clear (Yellow Key) 1 0 7 and Maintain pressed clear stop key (orange key) more tan 3 sec. Enter SP 5-810 (SC code reset),
select execute, select close. Exit SP mode, turn the main power
switch off then on.

If the problem continuous the problem can be in the Power supply board, can be defective.

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Try changing the termistor, must be damaged. and reset by total clear, 107 and press and hold the clear stop key more of 3 seconds.

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press .....clear modes 1-0-7 and hold clear/stop until the screen changes to service mode then unplug the machine and plug it back in and turn it back on Good luck

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