Panasonic DP3530

• Code: E7-54
• Description: Finisher Punch Communication
• Causes:

• Code: E7-55
• Description: Finisher Punch Power Supply
• Causes:

• Code: E7-56
• Description: Finisher Punch Registration Sensor
• Causes:

• Code: E7-57
• Description: Finisher Punch Sensor (Horizontal Registration)
• Causes:

• Code: E7-58
• Description: Finisher Punch Sensor (Waste Full)
• Causes:

• Code: E7-90
• Description: Hardware Key Abnormal
• Causes: 1. Incorrect Hardware Key is installed. 2. Hardware Key is defective.