• Code: E7 13
• Description: CCD light quantity check error. Copy lamp light amount adjustment in shading cannot be made
• Causes: Copy lamp does not light (broken wire, improper installation) Improper installation of flat cable to CCD unit Improper connection of copy lamp CL lead wire Mirror, lens, or reference white plate Dirt or dew Improper output of copy lamp power supply Improper installation of CCD unit CCD unit error ICU PWB error
• Remedy: Clean mirror, lens, reference white plate. Check copy lamp for light amount (SIM5-3) and lighting. Check CCD unit. Check ICU PWB.

• Code: E7 90
• Description: ICU communication trouble (PCU detection). Communication setup error/framing/parity/protocol error
• Causes: Slave unit PWB connector improper connection Slave unit PWB – ICU PWB harness trouble Slave unit PWB mother board connector pin breakage
• Remedy: Check the slave unit PWB and the ICU PWB connector connection. Check the copier earth.

• Code: EE EL
• Description: Auto developing adjustment trouble (overtoner). A sample data is less than 0 when auto developing adjustment is executed.
• Causes: Toner density sensor defective Charging voltage or developing voltage improper. Toner density improper Developing unit defective PCU PWB defective
• Remedy: Make auto developing adjustment with SIM25-2.

• Code: EE EU
• Description: Auto developing adjustment trouble (undertoner). A sample data is less than 99 when auto developing adjustment is executed.
• Causes: Toner density sensor defective Charging voltage or developing voltage improper Toner density improper Unit defective PCU PWB defective
• Remedy: Make auto developing adjustment with SIM25-2.

• Code: F1 00
• Description: Finisher communication trouble. Communication line test error occurs when power is turned on or after the exit of a simulation mode. Improper communication with sorter
• Causes: Improper connection or broken wire of connector or harness between copier and sorter Finisher control PWB defective Control PWB (PCU) defective Malfunction due to noise
• Remedy: Clear by turning the power supply OFF/ON. Check communication line connector and harness. Replace Finisher control PWB or PCU PWB.

• Code: F1 01
• Description: Finisher1 jogger shift trouble / Finisher 2 alignment section abnormality. ogger shift trouble / Alignment plate shift trouble
• Causes: Motor lock Motor rpm abnormality Motor overcurrent Finisher control PWB trouble
• Remedy: Check the jogger motor operation with SIM 3-3.

• Code: F1 02
• Description: Finisher transport motor abnormality. Transport motor drive trouble
• Causes: Motor lock
• Remedy: Check transport motor operation with SIM3-3.

• Code: F1 03
• Description: Sorter guide bar oscillation motor trouble. Sorter guide bar oscillation motor drive abnormality
• Causes: Motor lock. Motor rotation abnormality. Overcurrent to motor Sorter control PWB abnormality
• Remedy: Check the guide bar motor operation with SIM3-3.