Hello! I have same problem with Ricoh MP2050. Error text is: "Functional problem within the Copier. Turn the operation switch off then on. <picture> If the error appears again, please call service. S C 4 0 0 Serial No. of Machine V22********

Try -
http://www.youtube.com/watch?v=3kJ1bc8KD48
except I think you need 7 data log to reset scr

image transfer belt contact sensor is dirty clean it

change the td sensor below the developer unit or if possibly change the complete developer unit

LD unit beam pitch adjustment incorrectly.

Hello Mist. I have Functional problem detected. Turn main power switch off then on. If error appears again, please call service. SC672.Alficio MP 5001......?

hi
How do you treat this problem Please circulate the solution Video

After turn the main switch off and on the error appears again????
This error means that there is a bad comunication between the controller board and the operation panel.
Did you intervew in the machine? Some tecnical intervewing?

this error belong to softwer yo must install via ac cards

Solution Reset (machine was not working for 2 - 3 month):
C button (yellow) + on keyboard: 107 + C-button (orange + large) long press
Then, go to the menu
scroll
Mode 5 enter
here below 810: SC Reset
Unfortunately, there is no OK
keyboard: 0 or 1 (probably 1) choosed and press #
it displays a confirmation message: run as service - etc.
Switch off the machine
Error: reset
(on some devices without a reset command: open flap + off)

dear sir; the error code 320 on ricoh af 2027 it's means laser polygon motor problem, the laser unit right under the toner unit, litlle bit left. some error code can be reset why don't give them a try
1, power on the machine
2, press "clear mode"( has the c in a diamond), "107"then press and hold down "clear/stop" key
3,turn power off 10 second later back on.
I f reset doesn't work, you need to replace laser motor. thank you
HAVE A HAPPY HOLIDAY