Description: Shading trouble (black correction). Improper CCD black reading level for copy lamp going out
Causes: Improper installation of flat cable to CCD unit CCD unit error ICU PWB error
Remedy: Check flat cable to CCD unit for installation. Check CCD unit. Check ICU PWB.
Code: E7 11
Description: Shading trouble (white correction). Improper CCD white reference plate reading level for copy lamp lighting
Causes: Improper installation of flat cable to CCD unit Mirror, lens or reference white plate contaminated Copy lamp operation error Improperly installed CCD unit CCD unit error ICD PWB error
Remedy: Clean mirror, lens, or reference white plate. Check copy lamp for light amount (SIM5-3) and lighting. Check CCD unit. Check ICU PWB.
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.