• Code: E825-0003
• Description: Drum phase control sensor failure warning
• Causes: Black drum phase control sensor failure warning A slit was not detected for 4 seconds after slit detection started. An abnormal slit width was detected.
• Remedy: Check the Bk drum drive gear. Replace the Bk drum HP sensor (PS12).

• Code: E825-0004
• Description: Drum phase control sensor failure warning
• Causes: OHT sensor failure warning
• Remedy:

• Code: E840-0000
• Description: Pressure release mechanism failure
• Causes: The target pressure position was not reached even when 3.5 seconds (approximately 1.5 rotation of the cam) elapsed after start of the fixing motor reverse rotation.
• Remedy: Check the gears and detection flags related to fixing pressure release mechanism. Replace the fixing pressure release sensor (PS9). Replace the fixing motor. Replace the fixing assembly.