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Ricoh MP 7502

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Post time: 2013-2-2 05:02:02 |Show all posts
HI, new to this my first attempt for help. I have the above machine and it keeps giving SC 555-00. This was similar to MP6500 range which had the same issues. We have changed thermistors and updated firmware. Any Ideas ???.

Post time: 2013-2-3 04:04:38 |Show all posts
Strange how Ricoh hasn't addressed this yet.  It's been happening since the 2060 series and got worse with the MP series.

I prefer the "fix" I found here @ Copytechnet over the Ricoh official idle time settings, but both seem to work.

Change Sp1107 -1 & -2 to 195*
Change Sp1107 -3 & -4 to 70 sec.
Set Sp3904 to 2
Set Sp2804 to OFF (this is because you'll get Sc305 codes after you change Sp3904)

I prefer this because with the idle time settings, the machine tends to start the idling process again after you make a copy.

Post time: 2013-2-3 02:12:41 |Show all posts
OK ,here is another solution.
Customer says every morning they get the sc code, and they reset it.
After doing everything recommended by the bulletins and tech support,
I finally figured it out. In Sp modes 1103,1105, and 1107 , lower everything
that is a temp by 10°. This has worked on all the models with this sort of problem.
Now I lower the temps on the new ones at install time too. Do it , it works.

Post time: 2013-2-3 01:10:16 |Show all posts
Cracker of a first post

Post time: 2013-2-2 23:50:07 |Show all posts
      • SP 1103 – 001 - Idling Time Normal – set to 60 sec.• SP 1103 – 002 - Idling Time Low - set to 60 sec.• SP 1103 – 003 - Idling Time Low power - set to 120 sec.• SP 1105 – 001 and 002 – Fusing temperature adjustments – set to 180• SP 1105 – 007 and 008 – Fusing temperature adjustments – set to 185• SP 1902 – 2 Web motor operation interval – Set to 15• SP 3904 – Warm up short mode - Set to 2
   

Would you say this works for all new MPxx02 series machines above 5000 series?

Post time: 2013-2-2 22:40:35 |Show all posts
      • SP 1103 – 001 - Idling Time Normal – set to 60 sec.• SP 1103 – 002 - Idling Time Low - set to 60 sec.• SP 1103 – 003 - Idling Time Low power - set to 120 sec.• SP 1105 – 001 and 002 – Fusing temperature adjustments – set to 180• SP 1105 – 007 and 008 – Fusing temperature adjustments – set to 185• SP 1902 – 2 Web motor operation interval – Set to 15• SP 3904 – Warm up short mode - Set to 2
    Your all over it !!

Post time: 2013-2-2 21:27:16 |Show all posts
Turn AOF off. I think it maybe called something different on the new machines. either way what ever function that automatically turns of the machine....turn that function off. you may notice that this code ususally pops up first thing in the morning as the copier wakes up.      

etc..... ------ so the brackets dont do a thing....dont bother with ever doing that to any of the models. all you have to do is curve the thermistor so it makes better contact with the hot roller. there is a bulletin for the previous models that may work. and it talks about the spacers and what not, but it also talks about changing some SP modes (you would assume that these changes would have been made to the new models but whatever) these settings are directly from the TSB i mentioned above.

D062 Series SP Mode Settings:• SP 1103 – 001 - Idling Time Normal – set to 60 sec.• SP 1103 – 002 - Idling Time Low - set to 60 sec.• SP 1103 – 003 - Idling Time Low power - set to 120 sec.• SP 1105 – 001 and 002 – Fusing temperature adjustments – set to 180• SP 1105 – 007 and 008 – Fusing temperature adjustments – set to 185• SP 1902 – 2 Web motor operation interval – Set to 15• SP 3904 – Warm up short mode - Set to 2
  

Post time: 2013-2-2 20:02:22 |Show all posts
having seem this problem on this machine quite a few times myself, i have applied these setting changes, and has since worked for me;

cleaned build up on thermistors and strippersreset sc/jam counter 7-807sp1107-003 set to 120check the brackets have been updatedin SP mode, 1106, open door, pull on fuser knob and check if temp zeros. if yes, connector is not in enough and needs to be spaced out more with washers etc.. but the 7502 and other xx02 range should be ok.1902-2 decrease currently set figure by 2 digitsset 3904 to 1set 1103-1 to 60, 1103-2 to 60, 1103-3 to 120.restart machine.[/ol]


100% success rate for me so far.....

Post time: 2013-2-2 18:56:07 |Show all posts
Finally got a reply from Ricoh saying to up the value of SP 1103/3 to 26 to increase the time that the machine is looking for a temp change. Been working ok since this was done.  

Post time: 2013-2-2 17:13:52 |Show all posts
Thanks but this range come with nthe modified brackets already fitted. Fianlally had repl from Ricoh and they say to increase the time the machine checks for temp change SP 1103 to 26.      

Post time: 2013-2-2 15:23:12 |Show all posts
Do you realize that 2 posts earlier someone was having the same problem with a MP 6002? I call Ricoh "the Toyota of copiers". They are number one, BUT getting sloppy (or sloppier). Fuser SC Codes have been a constant problem since the AF2060 series and are still not resolved. Try following TSB 020 for the MP 6001 (on the Ricoh Tech Forum this has been reported to work). Also, it was suggested that an INNOVOLT Power Manager should be installed to filter the voltage.       TSB_020 Troubleshooting SC555 Issues.pdf (277.3 KB, 52 views)  

Post time: 2013-2-2 13:25:52 |Show all posts
Try replacing the hot roller and the sponge roller for the oil web.At least the the thermistors will be cleaner.I believe there is a setting how often the web rotates, adjust the timing so it rotates more often.

Post time: 2013-2-2 11:57:40 |Show all posts
is this for the older model or the newer one. I ask as these are giving problems in the field and ricoh tech said its down to the cold weather and the cleaner unit and as yet there are no bulletins to correct this on the new model?

It would be nice to have a sollution on this.

Post time: 2013-2-2 10:18:01 |Show all posts
I came across a bulletin where they put washers at the fuser connector to secure the connection between the fuser and machine frame.

Post time: 2013-2-2 08:30:54 |Show all posts
There are modified thermistor brackets for this issue, I can't remember the part numbers off the top of my head but they start with D062 and should be in the 6001 RTB's.

Post time: 2013-2-2 06:54:07 |Show all posts
Check your lamp harnesses. They can cause 555 codes.
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