This error appears when you have problems with TERMISTORS in fusing unit. You have to replace termistors if you can't reset the service call condition in service mode.
pifonski
Hi! Check the hot roller surface if it has a round scratch on it surface,where the some of both thermistor contact it.If it`s so,just change hot roller and the termistor.
Regards
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Ricoh Aficio 2022 AllInOne Laser Printer have a error code sc 541
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