Code :

Code: E7-29
Description: LSU ASIC frequency error
Causes: Oscillation abnormality of the external oscillator used in the LSU ASIC. LSU ASIC abnormality on the LSU control PWB.
Remedy: Replace the LSU control PWB.

Code: E7-35
Description: Communication trouble with the CIS-ASIC
Causes: Connector/harness trouble between the PCU PWB and the PEDCis PWB. PEDCis PWB trouble, PCU PWB trouble. PS unit drawer connector insertion trouble.
Remedy: Check the harness between the PCU PWB and the PEDCis PWB. Check the PEDCis PWB, and the PCU PWB. If the trouble is not canceled, replace the PEDCis PWB and the PCU PWB.

Code: E7-36
Description: CIS-ASIC black level detection abnormality
Causes: The CIS unit is not installed properly. Harness trouble between the CIS unit and the PEDCis PWB. CIS unit trouble, PEDCis PWB trouble. Dirt on the reference black plate.
Remedy: Check the installing state of the CIS unit Check the harness between the CIS unit and the PEDCis PWB. Clean the reference black plate. If the trouble is not canceled, replace the CIS unit and the PEDCis PWB.

Code: E7-37
Description: CIS-ASIC white level detection abnormality
Causes: The CIS unit is not installed properly. Harness trouble between the CIS unit and the PEDCis PWB. CIS unit trouble, PEDCis PWB trouble. Dirt on the reference white plate.
Remedy: Check the installing state of the CIS unit Check the harness between the CIS unit and the PEDCis PWB. Clean the reference white plate. If the trouble is not canceled, replace the CIS unit and the PEDCis PWB.

Code: E7-42
Description: Image data trouble (Scanner expansion PWB (ACRE) ASIC)
Causes: An image data error occurs. An image data send error occurs. Scanner expansion PWB (ACRE) connection trouble. Scanner expansion PWB (ACRE) trouble. MFPC PWB trouble.
Remedy: Check connection of the scanner expansion PWB (ACRE). Check the scanner expansion PWB (ACRE), and replace if necessary. Check the MFPC PWB, and replace if necessary.

Code: E7-46
Description: Image data decode error (Scanner expansion PWB (ACRE) ASIC)
Causes: A decode error occurs while high compression PDF images are made. (garbled data) Scanner expansion PWB (ACRE) connection trouble. Scanner expansion PWB (ACRE) trouble. MFPC PWB trouble.
Remedy: Check connection of the scanner expansion PWB (ACRE). Check the scanner expansion PWB (ACRE), and replace if necessary. Check the MFPC PWB, and replace if necessary.

Code: E7-48
Description: Scanner expansion PWB (ACRE) ASIC memory error
Causes: Scanner expansion PWB (ACRE) DIMM trouble, memory slot trouble. Scanner expansion PWB (ACRE) DIMM insertion trouble. Scanner expansion PWB (ACRE) connection trouble. Scanner expansion PWB (ACRE) trouble. MFPC PWB trouble.
Remedy: Check insertion of the scanner expansion PWB (ACRE) DIMM memory. Check the scanner expansion PWB (ACRE) DIMM memory, and replace if necessary. Check connection of the scanner expansion PWB (ACRE). Check the scanner expansion PWB (ACRE), and replace if necessary. Check the MFPC PWB, and replace if necessary.