Question about Ricoh Office Equipment & Supplies

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Ricoh 551 Will not power up. Seems to be a problem with internal power supply. Turn off and back on and never truly warms up. The individual with the maintenance agreement passed away and I am having trouble finding someone to service the reconditioned copier that is still under lease at our church.

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  • Tim Babcock
    Tim Babcock May 11, 2010

    Where is your church located at?

  • Tim Babcock
    Tim Babcock May 11, 2010

    Where is the copier located at?

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Debería revisar la placa de la fuente de alimentación, podrían haber soldaduras defectuosas.

It would have to review the board of the power supply, could have defective solder.

Posted on Sep 14, 2009

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CAREFULLY check that ALL doors and cabinet parts on the machine are PROPERLY closed. Any interlock not being actuated can keep machine from turning on.

Posted on Dec 01, 2008

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1 Answer

Error display hc551 for Ricoh Aficio MP1600le, pl help me how it solve the problem.


Error code: 551 - Fusing thermistor open (rear)
The fusing temperature detected by the thermistor is below 71C and is not corrected after the main power switch is turned on.

Causes:
- Fusing thermistor defective or out of position
- Power supply board defective
- Loose connectors

Apr 29, 2015 | Ricoh Office Equipment & Supplies

1 Answer

Help me : Ricoh aficio MP 1900 Error code SC 551


This may help if you tru the following.

Try to reset this code with "Clear Mode"+107+"Clear/Stop" hold for 5s.
Turn OFF then ON at the Power Switch.

If the above does not clear it, then it may be time to get a service engineer in as it could be that a board has given up inside.
Good luck.

Jul 05, 2014 | Ricoh Office Equipment & Supplies

1 Answer

Service SC 990 RICOH Aficio 551


sc990 is a general software error. It could be caused by a specific application or function, or it could be caused by a problem with the process control. In general, you can get rid of the sc990 error by turning the machine off with the main power switch (the orange switch on the left side of the copier) but if the error comes right back, the best first solution is to update the machine's firmware.

Nov 18, 2010 | Ricoh Aficio MP 1600 Black and White...

1 Answer

Error 551


Fault:

The fusing temperature detected by the

thermistor is below 71°C and is not

corrected after the main power switch is
turned on.

Possible causes:

Fusing thermistor defective or out of position

Power supply board defective
Loose connectors

Oct 13, 2010 | Ricoh Aficio 2016 Black and White Copier

1 Answer

Help me fix error code 551 on ricoh 4506 digital copier


551 A Pressure roller thermistor open


- Timing -Every 1 second after the fusing unit is installed

- Condition -The pressure roller thermistor output is almost close to 5V,which corresponds to 0

Sep 17, 2010 | Ricoh 4506 Copier

1 Answer

Showing error 551


I believe the code has to do with the fuser unit. You can try to reset by pressing the "Yellow" Clear botton then the numbers "1""0""7" then press and hold the "Red" Stop botton till the display changes. Then turn the Main Power switch Off and then back On. If it will not clear you have a problem with the fuser unit and will have to be repaired to clear the code.

Aug 29, 2010 | Ricoh Aficio MP 1600 Black and White...

2 Answers

Ricoh Aficio 551 w/ sc366


sc 366 is hard disk drive bad sector will need to call in a engineer to fix this problem might need a new hard disk if he cant format it make sure you always shut the machine down correctly switching it off in correctly causes this fault to occur

Jul 14, 2009 | Ricoh Office Equipment & Supplies

2 Answers

Aficio 551 - error code SC124


Definition- [B]
No encoder signal from the scanner motor
-Possible cause-
• Scanner motor connector defective
• Scanner motor defective
• MCU defective
• Scanner wire, timing belt, pulley out of position
• PSU defective
The screws of the pulley usually are cut that moves the scanner this causes that the car is crossed and that the sensor does not detect the home position. check and corect this defect.

Mar 03, 2009 | Ricoh Aficio 450 Copier

1 Answer

Ricoh sc 551


This is a fuser temp. problem -- must reset and/ or replace thermistors.

Press clear modes button then 1-0-7 then hold down the clear stop button.
When display changes touch copy sp modes.
Turn may power off and wait about 30 sec.
Turn power on.
If the machine comes to ready you are ok for now.
If code returns you must replace thermistors.
If you need to replace thermistors, contact me and I will get you part numbers and instructions.

Jan 15, 2009 | Office Equipment & Supplies

4 Answers

About ricoh copier problem


sc541 is a fusing unit error code. Can you reset the code in service mode?

Apr 22, 2008 | Ricoh Aficio 450 Copier

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