• Code: SC953
• Description: Scanner Image Setting Error
  The settings required for image processing using the scanner are not sent from the IPU
• Causes: • Check the harnesses, connectors between the MCU and BCU
  • Update the BCU, MCU firmware
  • MCU defective
  • BCU defective
  • IPU defective

• Code: SC954
• Description: Printer Image Setting Error
  The settings that are required for image processing using the printer controller are not sent from the IPU
• Causes: • Check the harnesses, connectors to the LDB and IPU
  • Check the harnesses, connectors between IPU/LDB, LDB/Polygon Mirror Motor PCB
  • Update the BCU firmware
  • LD defective
  • IPU defective
  • Polygon mirror motor or polygon mirror motor PCB defective

• Code: SC955
• Description: Memory Setting Error
  The settings that are required for image processing using the memory are not sent from the IPU.
• Causes: • Software bug
  • Hard disk unit defective
  • Controller defective
  • MCU defective
  • IPU defective

• Code: SC964
• Description: Scanner Start Error
  During scanned image processing, another command to start scanning was received.
• Causes: • Software bug

• Code: SC965
• Description: Print Start Error
  During print processing, another command to start printing was received
• Causes: • Software bug

• 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 FGATE signal remained LOW.)
• Causes: • Polygon mirror motor harness, connections to BCU loose, broken, defective
  • Polygon mirror motor drive board harness, connector to BCU loose, broken, defective
  • Polygon mirror motor defective
  • 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: • Software bugSoftware bugny
  • Harnesses, connectors to the MCU loose, broken, defective
  • MCU defective
  • BCU defective

• Code: SC990
• Description: Software Performance Error 1
  An unexpected operation was encountered by the software.
• Causes: • Software crash; reboot the machine