OKI OkiPage 10i Error Codes List page 13 All About this machine Error Code: All codes - 10 20 30 4 40 5 50 52 53 6 60 7 70 71 72 73 74 77 8 80 81 9 90 91 A B C F0 F1 F2 F3 F4 F5 F6 F7 page 1 2 3 4 5 6 7 8 9 10 11 12 13 Code: F3 Display: Description: Optional status error Code: F4 Display: Description: BG program error Code: F5 Display: Description: System timer program error. Defect in the cable of the front feeder paper sensor and the 2-pin connector on the main control board. Poor connection of connectors. Code: F6 Display: Description: IPT2 program error Code: F7 Display: Description: IPT1 program error