Description: F-gate error at write request
After the IPU receives an F-gate signal, it receives another F-gate signal.
Causes: • Software defective • BICU defective
Code: 953
Description: Scanner setting error
The IPU does not respond with the scanner setting signal required to start scanning processing.
Causes: • Software defective
Code: 954
Description: Printer setting error
The IPU does not respond with the settings that are required to start image processing by the printer.
Causes: • Software defective
Code: 955
Description: Memory setting error
The IPU does not respond with the settings that are required to start image processing using the memory.
Causes: • Software defective
Code: 980
Description: NVRAM value error
A critical SP code setting is not within range. If the machine is allowed to operate in this condition, this could lead to toner overflow and damage the machine.
Causes:
Code: 984
Description: Print image data transfer error
The image transfer from the controller to the engine via the PCI bus does not end within 15 s after starting.
Causes: • Controller board defective • BICU defective • Connectors between BICU and controller loose or defective