• Code: SC951
• Description: F gate signal error
  The paper is ejected with no image (or a partial image) because the FGATE signal that triggers image writing failed to switch off after 60 s.
• Causes: • Software defective. Replace the software (all three firmware modules). • MCU defective • IPU defective

• Code: SC953
• Description: Scanner image setting error
  The IPU did not issue the signal required for the scanner to start image processing.
• Causes: • Software defective. Replace the software (all three firmware modules).

• Code: SC954
• Description: The IPU did not issue the signal required to start image rocessing for the printing mode.
• Causes: • Software defective. Replace the software (all three firmware modules).

• Code: SC955
• Description: Memory Setting Error
  Settings required for memory to start image processing are not sent from the IPU.
• Causes: • Software defective. Replace the software (all three firmware modules).

• Code: SC964
• Description: Scanner start signal error
  The scanner receives another start signal after scanning has already started.
• Causes: • Software defective. Replace the software (all three firmware modules).

• Code: SC965
• Description: Print start signal error
  The printer received another print start signal after print job has already started.
• Causes: • Software defective. Replace the software (all three firmware modules).

• Code: SC980
• Description: HDD access error
  Incorrect parameter sent to the HDC (hard disk controller chip mounted on the IPU) from the BICU.
• Causes: • Software defective. Replace the software (all three firmware modules). • MCU defective

• Code: SC981
• Description: HDD response error
  No response from the hard disk within 5 s after the BICU chip on the main board sent read/write commands to the HDD controller.
• Causes: • Software defective. Replace the software (all three firmware modules). • HDD defective or poor connection due to vibration