Description: Scanner Start Error
During scanned image processing, another command to start scanning was received.
Causes: • Change the BCU firmware
Code: SC965
Description: Print Start Error
During print processing, another command to start printing was received.
Causes: • Change the BCU firmware
Code: SC966
Description: Polygon Mirror Motor Ready Error
The polygon mirror motor does not reach ready status within 15 s after the copy paper is detected by the registration sensor. (15 s after the write request was issued for the IPU, the F-GATE signal remained LOW.)
Causes: • Polygon mirror motor defective • Poor connection between polygon mirror motor drive board and BCU • Polygon mirror motor drive board defective • BCU defective
Code: SC970
Description: Scanner Ready Error
The scan ready signal is not generated by the MCU for more than 10 s after the read start signal is sent to the MCU.
Causes: • Serial data transfer between MCU and BCU (through the LCDC) • Change the MCU firmware
Code: SC990
Description: Software Performance Error 1
An unexpected operation was encountered by the software.
Causes: • Software crash; reboot the machine
Code: SC991
Description: Software Error 2
Software attempted to execute an unexpected operation. However, unlike SC990, operation can be recovered.