• Code: F15X
• Description: Abnormality detecting in an authentication device control section
• Remedy: (1) Check the harness between authentication device <=>Main boards, and the connection situation of a connector, and perform an operation check. (2) Carry out U021 Main backup initialization and perform an operation check. (3) Exchange a Main board and perform an operation check. (4) Get USBLOG and contact service headquarters. 1.Authentication device <=> Main IF Main PWB: YC6 Authentication device: IC card reader etc.

• Code: F17X
• Description: Abnormality detecting in a printer data control part
• Remedy: (1) U021 Controller backup initialization is carried out and an operation check is performed. (2) Exchange a Main board and perform an operation check. (3) Get USBLOG and contact service headquarters.

• Code: F18X
• Description: Abnormality detecting in a Video control section
• Remedy: (1) Check the harness between Engine<=>Main boards, and the connection state of a connector, and perform an operation check. (2) U021 Controller backup initialization is carried out and an operation check is performed. (3) Exchange an Engine board and perform an operation check. (4) Exchange a Main board and perform an operation check. (5) Get USBLOG and contact service headquarters.

• Code: F1DX
• Description: Abnormality detecting of the image memory Management Department
• Remedy: (1) U021 Controller backup initialization is carried out and an operation check is performed. (2) Exchange a Main board and perform an operation check. (3) Get USBLOG and contact service headquarters.

• Code: F21X, F22X, F23X
• Description: Abnormality detecting in an image-processing part
• Remedy: (1) Check contact of a DDR memory and perform an operation check. (2) Carry out U021 Main backup initialization and perform an operation check. (3) Exchange a Main board and perform an operation check. (4) Get USBLOG and contact service headquarters.

• Code: F24X
• Description: Abnormality detecting in the system Management Department
• Remedy: (1) Check contact of a DDR memory and perform an operation check. (2) Carry out U021 Main backup initialization and perform an operation check. (3) Exchange a Main board and perform an operation check. (4) Get USBLOG and contact service headquarters * F248 is the abnormalities of a printer process.In recurring by specific printer data, please give me cooperation at acquisition of capture data and USBLOG.

• Code: F25X
• Description: Abnormality detecting in a network management department
• Remedy: (1) U021 Controller backup initialization is carried out and an operation check is performed. (2) Exchange a Main board and perform an operation check. (3) Get USBLOG and contact service headquarters. * It may occur according to a visitor's network environment

• Code: F26X, F27X, F28X
• Description: Abnormality detecting in the system Management Department
• Remedy: (1) U021 Controller backup initialization is carried out and an operation check is performed. (2) Exchange a Main board and perform an operation check. (3) Get USBLOG and contact service headquarters.