Kyocera FS7028M

• Code: C2
• Description: Duplex printing registration error
  The duplexer’s registration boards are not in the home position.
• Causes: • Defective registration motor • Defective home position sensor • Malfunctioning motor driving circuit (U2/U6/U7) on duplexer board • Defective duplxer CPU (U1) • Connection error between the registration motor and KP-587 (YC5), or home position sensor and KP-587 (YC7)

• Code: C4
• Description: DF-30 IPC communication error
  Communication error with the document finisher DF-30
• Causes: • Defective IPC (intelligent protocol controller) LSI (communication chip) • Defective interface connector/cable

• 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: