Fuse  | Rating  | Part No.  | Power To  | If Fuse Blows  | 
|---|---|---|---|---|
FU1  | 250V 5A  | Micro  | RYB, IOB, DRB, EDRB  | Machine issues SC621-00. Machine prompts user that the toner bottle is empty, toner bottle cover is open, or used toner bottle is almost full. | 
FU2  | 250V 5A  | Micro  | RYB,IOB  | Freezes at “Please Wait”, and the machine issues SC670-00.  | 
FU3  | 250V 10A  | Glass tube 11071216  | None  | 
  | 
FU4  | 250V 10A  | Glass tube 11071216  | ADF  | Machine starts normally, but ADF inoperable  | 
FU5  | 250V 10A  | Glass tube 11071216  | SIO  | Machine issues SC144, SC202-00  |