Hello,
SC542 is a fuser warm-up error, the text below is from the manual:
When the fusing unit is not running after the main switch has been turned on or recovering, the increment of
the heating roller temperature per three seconds is 17°C or less. If this condition is detected five times
consecutively, SC 542 is defined.
The heating roller temperature does not reach the ready temperature while 150 seconds after the heating lamp
has been turned on.
So either the heater lamp has failed, the temperature sensor has failed, or the control board has failed.
Possible causes:
• Heating roller fusing lamp broken
• Defective heating roller thermistor
• Defective BCU
1Check if the heating roller thermistor is firmly connected.
2. Replace the fusing unit.
3. Replace the BCU.
If you replace the fuser unit, you may still need to reset the SC error.
The above answer was from the following webpage;https://www.experts-exchange.com/questio...
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SOURCE: i have a ricoh aficio sp c420dn, when and turn on
You may try first to reset the SC 542 before calling a technician!
That you can do by following method:
1.Turn the machine off and then after 5 second turn it on while pressing the “On Line” key and “Escape” key together until “SYSTEMver x.xx/1. Service” shows on the display.
2.Use the “Up/Down arrow” keys to scroll through the menu listing.
3. Press the (OK) key while on the display writes " 2. Engine " .
4.go to "[5810 001] - Fusing SC Reset" by scrolling the “Up/Down arrow” keys and press the [OK] key (on the display should write execute or done) press [OK] again if is needed to press it.
5. After this turn off and than after 5 second turn it on the machine.
Please do not change nothing else in this menu only reset the fusing unit SC code, because if you change some other values and settings you might to regret that and pay high price for that.
So only reset the Fuser SC code SC542 by the upper mentioned method and do nothing else, if the SC code appear again then do not try this again because you might burn some parts.
If this do not help than call the technician.
Please answer do this is helpful for i to know do the problem was solved.
Regards
SOURCE: Ricoh 1515 MF shows error code sc542
Um.. I don't see an "online" or "escape" button anywhere on the printer...
SOURCE: Ricoh Aficio SP 420dn shows SC542 error code after
Hi dear pls take you printer to service center
Thank you
Imran
Pls rank as possible have nice day
If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
http://electro-medical.blogspot.com/
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