• Code: E11 12
• Description: E-Sort PWB CODEC error
• Causes: A CODEC error is detected in the E-Sort PWB. Control circuit hung up due to noises CODEC peripheral circuit error
• Remedy: Replace the E-Sort PWB. Check grounding of the machine.

• Code: E11 13
• Description: E-Sort PWB Flash ROM abnormality
• Causes: A Flash ROM abnormality is detected in the E-Sort PWB. Control circuit hung up due to noises Flash ROM peripheral circuit error
• Remedy: Replace the E-Sort PWB. Rewrite the flash ROM data. Check grounding of the machine.

• Code: E11 14
• Description: E-Sort PWB Work RAM abnormality
• Causes: A Work RAM abnormality is detected in the E-Sort PWB. Control circuit hung up due to noises RAM peripheral circuit error
• Remedy: Replace the E-Sort PWB. Check grounding of the machine.

• Code: E11 15
• Description: E-Sort PWB Page Memory abnormality
• Causes: A Page Memory abnormality is detected in the E-Sort PWB. Control circuit hung up due to noises Page Memory peripheral circuit error
• Remedy: Replace the E-Sort PWB. Check grounding of the machine.

• Code: E11 16
• Description: E-Sort PWB SIMM abnormality
• Causes: A SIMM abnormality is detected in the E-Sort PWB. Control circuit hung up due to noises SIMM peripheral circuit error
• Remedy: Replace the E-Sort PWB. Replace the SIMM. Check grounding of the machine.

• Code: E11 17
• Description: E-Sort PWB image rotating RAM error
• Causes: A image rotating RAM abnormality is detected in the E-Sort PWB. Control circuit hung up due to noises Image rotating RAM peripheral circuit error
• Remedy: Replace the E-Sort PWB. Check grounding of the machine.

• Code: E7 03
• Description: LSU trouble. After the polygon motor becomes active, BD signal (HSYNC) from the LSU is not detected at the specified times (41 ± 10 times within 20msec).
• Causes: LSU connector disconnection or LSU’s inside harness disconnection or breakage Polygon motor rotation abnormality Improper positioning of the laser home position sensor in the LSU. Laser power voltage failure Laser emitting diode abnormality MCU PWB abnormality
• Remedy: Improper connection of the LSU connector Check the polygon motor operation with SIM 25-10. Check printing with SIM64-1. Check laser emission of laser emitting diode. Check the LSU unit. Check the MCU PWB.

• Code: E7 04
• Description: CCD white reference level which is read during the copy lamp lighting is abnormal.
• Causes: Flat cable installation failure to CCD unit Dirt on the mirror, lens, and reference white plate Copy lamp lighting failure CCD unit installation failure CCD unit abnormality MCU PWB abnormality
• Remedy: Clean the mirror, the lens, and the reference white plate. Check the copy lamp (SIM 5-3) ON. CCD unit check MCU PWB check