Code :

Code: C4-00
Description: PTC trouble (TC high voltage trouble)
Causes: The PTC unit is not installed properly./Trouble. The primary transfer unit is not installed properly./ Trouble. The secondary transfer unit is not installed properly./ Trouble. High voltage TC PWB trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Remedy: Replace the PTC unit. Replace the primary transfer unit. Replace the secondary transfer unit. Check disconnection of the high voltage TC PWB connector./Replace. Replace the high voltage TC PWB. Replace the PCU PWB.

Code: E7-01
Description: MFP image data error
Causes: Image data transfer error in the MFPC PWB. MFPC PWB trouble.
Remedy: Check connection of the connector and the harness of the MFPC PWB. Check or replace the MFPC PWB.

Code: E7-03
Description: HDD trouble / Mirroring kit error
Causes: Connector, harness connection trouble in the MFPC PWB and HDD. HDD (error file management area) data abnormality (FAT breakage). MFPC PWB trouble.
(When the mirroring kit is installed) RAID PWB trouble. A HDD which has been used for mirroring is installed. Both HDD's go into trouble under the use environment of mirroring.M
Remedy: Check connection of the connector and the harness of the MFPC PWB and HDD. Use SIM62-2, 3 to check read/write operations of the HDD. Replace the HDD. Check or replace the MFPC PWB.
(When the mirroring kit is installed) Check the RAID PWB, and replace if necessary. Replace the HDD. (For details, refer to the HDD and RAID PWB replacement procedures under mirroring environment.)

Code: E7-04
Description: HDD-ASIC error
Causes: HDD-ASIC trouble. (MFPC PWB trouble.) An error occurs in the HDD-ASIC self test when booting.
Remedy: Check or replace the MFPC 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. Check 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. Scanner lamp drive PWB 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. Check or replace the scanner lamp. Check or replace the scanner lamp drive PWB. Clean or replace the mirror, the lens, and the reference white board. Check or replace the CCD unit. Check or replace the SCU PWB.

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