Question about Ricoh Aficio AP600N Laser Printer

2 Answers

Lanier LD060 has a SC541 Error Code

Also the red light next to printer is on.

Ive heard things about fusers and thermistors? Any advice or how to fix this problem would be most helpful. Also - it will not let us exit or clear from the message.


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  • lmforester Mar 11, 2009

    There are no up and down arrows....



2 Answers

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Troubleshooting tips:
Enter SP Mode by holding down "up" and "down" arrow for 10 s then you press "enter"

SC 541 Heating roller
thermistor error
The temperature measured by
the heating roller thermistor
does not reach 7 °C for ten
• Loose connection of
the heating roller
• Defective heating roller
• Defective BCU
1. Check if the heating roller thermistor
is firmly connected.
2. Replace the fusing unit.
3. Replace the BCU.
errors CTL The error has occurred in the
See .Troubleshooting Procedure. in
the table.
The error involves the fusing unit.
The machine operation is disabled.
The user cannot reset the error.
Turn the main switch off and on.
Reset the SC (set SP5-810-1). Enter the SP Mode by holding down "up" and "down" arrow for 10 s then you press "enter"
Turn the main switch off and on. Also, check info on this link: If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

Posted on Mar 11, 2009

  • JDTec
    JDTec Mar 11, 2009

    According to the manual , it does have up/down arrow keys. See pages 4 and 5 Looking at the control panel, it does not show up/down arrows. Press User Tools/Counter button see what happens.


    Click on this link or copy and paste the complete link into your browser.

    If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.

    Thanks, Joe


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Ld 060 Right? Big copier/printer? press clear modes 1 0 7 then hold down the red stop button for 5 or so seconds these must be pushed in that order. you will come into test mode, this resets the error, if it comes back you need a service call. Carl

Posted on Jun 22, 2009

  • Greg Gibbs
    Greg Gibbs Aug 19, 2014

    do the above and cycle power



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I have LANIER LD115 Copier/ printer can not copy and print ,red light showen on copy button,Erro shown " SC: 544" AND " CALL SERIVCES" , GREEN Light on copy indicator, red on printer light, shown up

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Three in one copy, fax and printer ricoh sp100sfe is showing error sc541 .how do i clear it

this was translated from Russian by Goggle it carefully they construct sentences differently than we do...

SC-541: The temperature of fuser defined thermistor
is less than 0 ° C for 5 s.Temperatura fixing reaches + 15 ° C (
center) or + 12 ° C (at the edges) 5 times for 2 min after the lamp Fuser.
Login to the service-yellow, 107 red (hold 3 seconds) 5-810-1.
Enter SP 5-810 (SC code reset) and select "1". Then hold down the Original type key and the OK or! key at the same time (this does not require the main switch to be turned off and on).

If the reset - does not help, clean the thermistor!nail varnish cautiously take off with it, only - film does not tear ... can also cautiously cloth soaked in acetone scrub
from: Google Translate

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This is a common error code for Ricoh copiers, Savin and Gestetner copiers that need service. Recently Ricoh has purchased Lanier and now is naming all their new machines Lanier instead of Gestetner, Savin and Ricoh. However, the copier service error codes have remained he same.
When you get this copier printer service code it means the fuser or fixing assembly (same part) has thermistor problem. The copier fuser's thermistors help regulate the temperature of the fuser assembly. The fuser assembly on all copiers including Canon, Kyocera, Ricoh, Sharp and other brands is the part that melts the toner onto the page.
Getting back to the repairing the copier on Ricoh, Savin, Lanier and Gestetner models that have the fuser or fixing code error. The majority of the time the fusers' thermistors (Middle and read) need to be replaced. Just cleaning them will not solve the copier repair service code.
It is usually, depending upon the machine, its a 1 to 2 hour copier repair job because the copier repair service technician will need to dissemble the fuser, insert the two new thermistors, re-assemble, reset the error code and test the copier machine repair. Also, ask the copier technicians to to do a copier cleaning maintenance while on site.

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Showing error message sc541

this is an error for the fuser the thermistors have not registered the temps properly check the fuser and if you know how to take it apart clean the thermistors.. you could try an sc reset using the following proceedure...Yellow clear button then 107 then hold down the stop button..wait for the screen to change to show copier sp turn off the machine and wait 5 secs then turn off. If this doesnt reset do the same proceedure on the copier sp enter this then look for mode 5. enter this mode and look for 810 sc reset and set this then turn off wait and turn back on....if this error occurs regularly the thermistors will have to be changed.. hope this helps..A

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First try entering into SP mode by pressing:
Clear button>1 0 7> and press and hold the Stop button for 3 secs. Then switch off and on the copier.
If SC 541 code is still there, check the following in the fuser unit:
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  • Power supply board defective
  • Loose connectors of Fuser unit.
Good luck and please rate me, thanks.

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SC 541

Take the fuser out and clean under the thermistors, and reset the code by entering test mode ( turn off printer hold down online and escape as you turn on printer selece 2 engine go to sp5-810 and reset this.
-Carl, please let me know if this helps.

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