• Code: E7-01
• Description: System data trouble. Data abnormality
• Causes: Image transfer abnormality
• Remedy: Check connection of the connector of the MFPC PWB and the W-ICU PWB. Replace the W-ICU PWB. Replace the MFPC PWB.

• Code: E7-03
• Description: HDD trouble. HDD breakdown HDD connection trouble File management area data abnormality (when FAT is broken.)
• Causes: The ICU PWB is not properly installed to the HDD. The HDD does not operate normally. ICU PWB abnormality.
• Remedy: Check installation of the HDD to the W-ICU PWB. Check connection of the harness to the HDD of the WICU PWB. Check read /write of HDD with Sim. 62-2, 3. Replace the HDD. Replace the W-ICU PWB. Replace the MFPC PWB.

• Code: E7-04
• Description: HDD-ASIC trouble. An error occurs in the HDD-ASIC self test when booting
• Causes: HDD-ASIC abnormality
• Remedy: Check installation of the HDD-ASIC of the ICU PWB. Replace the ICU PWB.

• Code: E7-05
• Description: W-ICU memory trouble. The W-ICU memory cannot be accessed
• Causes: W-ICU expansion memory installation abnormality. Data garble. Insufficient memory capacity.
• Remedy: Check instillation the expansion memory. Check read / write memory with Sim. 60-01. Replace the expansion memory. (If it is installed.) Replace the W-ICU PWB.

• Code: E7-06
• Description: Decode error trouble. A decode error occurs when making images
• Causes: Compression data abnormality. HDD installation abnormality. Data garble in image compression / transfer. MPFC PWB abnormality, or W-ICU PWB abnormality.
• Remedy: Check installation of the PWB. (PCI bus) If the job when the error occurred was FAX, check installation of the FAX PWB. For the other cases, check installation of the MFPC PWB, W-ICU PWB, and the HDD PWB. Replace the W-ICU PWB. Replace the MFPC PWB.

• Code: E7-08
• Description: W-ICU memory specification error (ICU1). A DIMM of a different specification is detected on the W-ICU memory slot
• Causes: A DIMM of a different specification is installed to the WICU memory slot. (Support memory: ROW=13bit, Column=10bit)
• Remedy: Check the DIMM which is installed.

• Code: E7-09
• Description: W-ICU memory combination error (ICU1). Combination error of the W-ICU memory slot installation
• Causes: A DIMM installed to the default slot is not 512MB. A DIMM installed to the expansion slot is not 256MB.
• Remedy: Check combination of DIMM installation.

• Code: E7-10
• Description: Shading trouble (Black correction). CCD black scan level abnormality when the copy lamp is turned off
• Causes: Installation failure of the harness to the CCD unit CCD unit abnormality, SCU PWB abnormality.
• Remedy: Check installation of the harnesses to the CCD unit. Check the CCD unit. Check the SCU PWB.