• Code: C5
• Description: DF-30 backup RAM error
• Causes:

• Code: C6
• Description: DF-30 sensor error
• Causes: This error means any of the following sensors in the DF-30 is defective: • Input sensor • Exit path sensor • Inversion sensor • Printer connection sensor • Stack height limit sensor • Stack home position sensor • Offset sensor • Cover sensor • Stacker full sensor

• Code: C8
• Description: DF-30 staple unit movement motor error
  The staple unit movement motor does not rotate.
• Causes: • The driver circuit for the motor is defective. • The staple unit is defective. • The motor is defective.

• Code: C9
• Description: DF-30 staple motor error
• Causes:

• Code: CA
• Description: DF-30 alignment motor error
• Causes:

• Code: CB
• Description: DF-30 tray motor error
• Causes:

• Code: CC
• Description: DF-30 paper feed motor erroru
• Causes:

• Code: CD
• Description: DF-30 paper exit motor error/Sorter error
• Causes: The CD error also suggests that the sorter ST-30 is defective.