As i said before, i advise here that a "non tech" should not go far than "COPY SP"., to avoid changing software. This stage is ENOUGH to have the code 5xx reseted, as the machine recons you are a technician, if you entered the access code. There is no need to go further to the "5" sector (mode).
If the above solutions failed, ask a technician to clean the thermistors, as toner build up on them and then give you the same code, have also found that power surge or power failure also cuase this code to come up repeatedly
SOURCE: Error sc548 aficio 1022 ricoh
This code may appear if the fuser is pulled out without turning the machine off
SOURCE: Error code SC 548 on Ricoh Aficio 1022 copier. Need to reset m/c
sc 548- service call - fusing unit not set properly
the fusing unit connector may be loose.
u can reset the error by entering the service mode (careful -do not change anything )
to enter the service mode press [all clear](yellow button) ,[1],[0],[7],[clear](orange button)and keep the button pressed for about 5 sec.
go in copier options , then mode 5, then option 810
and execute(or 1 & ok)
(careful -do not change anything else)
SOURCE: what is error code sc548
SC548 means the machine it not seeing the fuser unit. Open the Right side and front doors. Check the fuser unit to see if it is mounted properly.
There is some connection on the fuser module not making good contact. Reseat the fuser and power the machine off and on.
If you need to reset. Press Clear all, 107 and hold the pink button until you cee copy sp page displayed. Press copy sp, then while on that page turn the machine off and back on.
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