At first it displayed "add toner" but even when I replaced the toner it continued to display the same message and suddenly it wrote "Error occured SC:545 Switch off the main switch and then on if problem persist call service"
It's a fuser overheat error enter service mode to clear, if it comes back service call ( push in sequence clear modes(yellow) 1 0 7 hold down stop for 5 or so seconds, screen will change, power down, red switch. -Carl
SOURCE: sc 542 error code
Error SC 542 indicates a fuser temperature problem. Once the error is detected, the printer is toast until you manually clear the error from the keypad. Even though the printer is physically fine, it won?t come ready until the prior error condition is cleared. The magic keystrokes, clear the error code: The Fix In order to clear error SC542, you must perform procedure 5810. Press and hold online + escape, then power on. Use up and down arrow keys to select SP2 Press Enter Use up and down arror to locate SP5 Press Enter Use up and down arrow keys to select 810 Press Enter Confirm the selection Power off and on. The error code is now cleared.
SOURCE: Ricoh Service Code error - Service Code SC-300
I'm a Ricoh certified tech. Replace black PCU drum and your problem is solved!
SOURCE: sc 542 error code
press clear (yellow) and press 1,0,7 and press and HOLD the stop button 5 secs. (red) press 1 when u see the copy sp mode and press 7 (datalog) and press ok, look for the sc/ jam counter reset. press the execute 2x. turn of the machine in the main switch (orange switch on the lower front side) the shortcut mode is by pressing 7807 na press execute
SOURCE: Sir, My copier model RICOH MP
sc 302 - charge roller current leak. strip the drum unit (dmu) and clean the unit
Testimonial: "Sir, Thank you so much for your help, let me try in my copier and revert back once the problem is solved. Thanks Gopalkrishna T N"
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