SOURCE: error code sc440
Black drum motor error. These machines are bad about the waste toner building up in the drum unit. You could try and take the auger out of the drum unit(very messy) and clean it out or try replacing the black pcu.
SOURCE: ricoh aficio cl7300 error sc542 what does it and
This error is power related... their are two possibilities either... your fuser is blown or your machine needs a reset... here is a link to try the reset...
http://www.fortc.com/2007/06/17/ricoh-cl4000dn-error-code-sc542/
the reset should be all you need...
reset link
I’m happy to assist further over the phone at https://www.6ya.com/expert/norman_d2fa496dce30c65d
SOURCE: Hi I have an Ricoh aficio CL7300 printer and it is
sc 541=Heating roller thermistor error (Fusing unit).
The thermistors could be dirty or damaged.
The fusing unit can be removed and inspected(without removing any screws)(Left door)(lower handle).
If you see any damage you might have to replace the unit(or only the part if u r lucky).
SOURCE: Ricoh CL7300 not printing the colors corrrectly
Look at the transfer unit. If the clear belt has alot of wear lines the belt needs to be replaced pn# B180 3780
The machine builds the alignment image on this belt and then reads it if the belt is cloudy it will fail.
SOURCE: my ricoh printer is showinf an error of sc440-2
sc440 on the CL7000 is a drum motor error. sc440-2 is specific to the color drum motor. The problem is either the motor itself, the drum gear position sensor, or one or more of the color photoconductor units. The photoconductor units you can replace yourself if you have extras -- see if that will clear up the problem.
If they don't, you'll need to contact a service technician to inspect (and replace if need be) the motor and sensor.
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