Code :

Code: E7-04
Description: HDD-ASIC error
Causes: HDD-ASIC trouble. An error occurs in the HDD-ASIC self test when booting.
Remedy: Replace the MFP PWB.

Code: E7-10
Description: Shading error (Black correction)
Causes: Abnormality in the CCD black scan level when the scanner lamp is turned OFF. Improper installation of the harness to the CCD unit. CCD unit abnormality. SCU PWB abnormality.
Remedy: Check connection of the harness to the CCD unit. Check the CCD unit / the SCU PWB.

Code: E7-11
Description: Shading error (White correction)
Causes: Abnormality in the CCD white reference plate scan level when the scanner lamp is turned ON. Improper installation of the harness to the CCD unit. Dirt on the mirror, lens, and the reference white plate. Scanner lamp lighting trouble. CCD unit abnormality. SCU PWB abnormality.
Remedy: Check connection of the harness to the CCD unit. Check connection of the harness to the scanner lamp unit. Clean the mirror, the lens, and the reference white plate. Check the CCD unit / the SCU PWB.

Code: E7-20
Description: LSU laser detection error
Causes: Optical axis shift. Reduced laser power, lighting error, laser diode trouble. Harness and connector trouble between the LD/BD PWB and the LSU control PWB.
Remedy: Use SIM61-1 to check the operation of the LSU. Check the PWB and connection of the harness in the LSU. Replace the LSU.

Code: E7-21
Description: LSU laser deterioration trouble
Causes: Power reduction due to laser deterioration. Harness and connector disconnection/insertion trouble between the LD PWB and the LSU control PWB.
Remedy: Use SIM61-1 to check the operation of the LSU. Check the PWB and connection of the harness in the LSU. Replace the LSU.

Code: E7-24
Description: LSU LD driver error
Causes: Disconnection or improper connection of the harness and the connector between the LD PWB and the LSU control PWB. LD PWB/LSU control PWB trouble.
Remedy: Use SIM61-1 to check the operation of the LSU. Check the harness and the connector between the LD PWB and the LSU control PWB. Replace the LD PWB / LSU control PWB.

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