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Re: SERVICE CALL 188 : FATAL ERROR
Service Call 188: Error: Sub-CPU Communication Error
1- Check the connection of the S2M board.
2- Replace the S2M board.
If the problem does not go away after a reboot you'd better call Oki (it should have a 3 yr. waranty) or an experienced oki technician.
This is not something you should want to fix yourself. The replacement of the s2m board is not an easy task (even for an experienced mechanic)
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? Afterservicingthemachinetosolvetheproblem,theservice technician must execute a "Fuser SC Reset". Otherwise, the
machine will continue to issue this SC code and cannot be operated. ( "Executing Fuser SC Reset")
It;s general error or fatal error. Find the Adjusment Program for R1900, then Click Printer Information Check. You will find the latest fatal Error code. You can figure the actual error of your printer.
I solved this problem easily (Once I found it!)..open lid, locate where the top section bright metal lugs contact with copper leaf contacts at the front of the base unit and clean them with some fine emery paper or gently with small flat screwdriver... mine had a bit of toner dust and a tiny carbon deposit which was preventing the circuit being made. This showed the fatal error 132 and you may notice on start up that the normal rotation noises within the machine were silent too. Worked for me. Problem arose after Xmas break when machine had been stood for a few weeks. Good Luck! Bryan at Pinewood Studio Manchester.