Question about Gestetner DSc224 Copier

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Error code sc481 - Gestetner DSc224 Copier

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Re: Error code sc481

Gestetner dsc224 is printing long pages of code after installing new laptop

Posted on Dec 23, 2008

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Re: Error code sc481

Hello thomasg.I will answer you question gladly and precisely but I do this at my own peril. I get rated on my quality by how well I "fix" my customer's problem (your problem).The details I am about to provide to you probably wont make alot of sense to anyone that is not a field engineer that is formally trained on your copier.So I risk getting a poor rating from you since I will not have "fixed" your problem and you might choose to grade me as being not very helpful.But at least I might save you some money since you will know what's wrong BEFORE you place a service call. (which you will need considering what the error code means) So at least you have a chance of avoid being overcharged. Your copier has what is called a transfer belt that turns when making copies. The copier keeps track of the turning of this belt as it is crucial to copy process. SC 481 means that the copier cannot determine the transfer belt position. Causes: belt is damaged or main motor has stopped which drives the belt.99.9% of the time it is the flimsy belt.I have never seen this problem as the result of the main motor. I am reading this directly from the service manual. Please be kind when you rate my help. :-) Let me know if I can help you further.

Posted on Jan 05, 2008

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What is the problem of sc481 and where it is and how its images can be disposed of got a better picture of

you will have to get a technican to come in and look at your machine .... below is the description of the error code
481 D Transfer belt mark detection error • The main motor is operating; and the lock signal is detected. ? The belt mark sensor signal does not change for 120 milliseconds. possible causes • Defective main motor • Image transfer belt out of position • Belt mark blurred or absent

Jul 28, 2011 | Ricoh Aficio 1232C Color Copier

1 Answer

Ricoh aficio cl1000n sc481 error message

sc 481 is the OPC belt error. check the opc belt unit. it is also called rum unit. i think the belt is worn out and needs replacing.

Jan 06, 2011 | Ricoh Aficio CL1000N Printer

1 Answer

Describe your GESTETNER DSC232 ERROR SC481 Problem

sc481 is an error relating to how the transfer belt moves. The first thing to check is to make sure the transfer belt is not out of position -- it should be riding flat on its rollers, with no wrinkling or shifting. If the belt looks fine, you may need to replace either the belt (there is a detection mark on it that needs to be read by a sensor) or the main motor. Since this is such an old copier, it may be hard to find replacement parts for it, however.

Hope that helps!

Apr 19, 2010 | Gestetner DSc232 Copier

1 Answer

I have some ricoh aficio 1224c with errors c481

Transfer belt mark detection error
• The main motor is operating; and
the lock signal is detected. → The
belt mark sensor signal does not
change for 120 milliseconds.
• Defective main motor
• Image transfer belt out of position
• Belt mark blurred or absent

I would remove the pcu unit (3 screws)and check the transfer assy belt mark and clean the sensor that reads the belt mark. Worst case senerio is replaceing the entire pcu unit.

Mar 07, 2010 | Ricoh Aficio 450 Copier

1 Answer

Problem code: SC481 What does it mean and how serious is it?

The error is related to the Transfer belt mark detection, which means that there a mark on the transfer belt and a sensor to detect the mark to make sure that the belt is turning around.
The problem could be if the sensor is dirty, the belt is dirty, belt is out of position or damaged(torn), or worst case, the motor is bad.

Feb 17, 2010 | Ricoh Aficio 1224C Black and White Copier

3 Answers

Describe your Ricoh Aficio 1232C Error Code SC481 Problem

Defective main motor
• Image transfer belt out of position
• Belt mark blurred or absent

Right from the service manual
My best guess is belt mark blurred or missing
or image belt out of position

Feb 01, 2010 | Ricoh Aficio 2027 All-In-One Laser Printer

1 Answer

Sc481 What does this code mean?


This Code refers to Transfer Belt Mark Detection Error.The Information that i found on the Outer World ( Internet ) is that the Main Motor is Operating and the Lock Signal is Detected. The Belt Mark Sensor Signal does not change for 120 milliseconds.

Possible Causes

1. Defective Main Motor
2. Image Transfer Belt Out of Position
3. Belt Mark Blurred or Absent.

I have a Diagram as well collected from that Forum for you :-


Let me know, if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Dec 08, 2009 | Savin Printers & Copiers

1 Answer

Error code sc481 for ricoh copier 1232c

This is a "Transfer belt mark detection error" This means the transfer-belt in the PCU is torn or separated where it has a mark that flags a sensor telling the machine where the belt position is, The fix is to replace the entire PCU. 4 Screws that have arrows pointing to them surround the unit facing you when you open the front door will release the unit allowing you to insert a new unit and the code should go away ,, good luck!

Apr 30, 2009 | Ricoh Aficio CL3500N Laser Printer

1 Answer


SC 481 is a belt mark detection error. The transfer belt on the photoconductor unit has a rip in it. Replace the Photoconductor unit.

Apr 09, 2009 | Ricoh Printers & Copiers

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