Description: Decode error trouble A decode error occurs during making of an image.
Causes: Data error during input from PCI to PM. PM trouble Data error during image compression/ transfer. Controller PWB abnormality
Remedy: Check insertion of the PWB. (PCI bus) If the error occurred in a FAX job, check installation of the FAX PWB. For the other cases, check the Controller PWB. Replace the Controller PWB.
Code: E7-10
Description: Shading trouble (Black correction) CCD black scan level abnormality when the copy lamp is off.
Causes: Abnormal installation of flat cable to CCD unit. CCD unit abnormality Scanner PWB abnormality
Remedy: Check installation of CCD unit flat cable. Check CCD unit. Check scanner PWB.
Code: E7-11
Description: Shading trouble (White correction) CCD white reference plate scan level abnormality when the copy lamp is ON.
Causes: Abnormal installation of flat cable to CCD unit. Dirt on mirror, lens, white reference plate Copy lamp lighting abnormality Abnormal installation of CCD unit CCD unit abnormality Scanner PWB abnormality
Remedy: Clean mirror, lens, and white reference plate. Check copy lamp light quantity (SIM 5-3) and lighting. Check CCD unit. Check scanner PWB.
Code: E7-14
Description: CCD communication trouble Communication trouble (clock sync) between scanner PWB and CCD-ASIC
Causes: Abnormal installation of harness to CCD unit CCD unit abnormality Scanner PWB abnormality
Remedy: Check CCD unit harness. Check CCD unit. Check scanner PWB.
Code: E7-50
Description: LSU connection trouble An LSU which does not conform to the machine is installed.
Causes: PCU PWB trouble LSU trouble
Remedy: Check LSU PWB. Check PCU PWB. Check connection of the connector and the harness between PCU and LSU.
Code: E7-80
Description: Communication trouble (ICU detection) between ICU and scanner Communication establishment error/Fleming/ Parity/Protocol error
Causes: Defective connection of slave unit PWB connector Defective harness between slave unit PWB and Controller PWB Slave unit PWB mother board connector pin breakage
Remedy: Check connector and harness of slave unit PWB and Controller PWB. Check grounding of machine.