Code :

Code: E7-71
Description: DSPF connection trouble
Causes: PWB / firmware which does not support the machine specifications is connected.
Remedy: Firmware kind / Version check.

Code: E7-80
Description: MFP - SCU PWB communication error
Causes: SCU PWB - MFPC PWB connection trouble. SCU PWB trouble. MFPC PWB trouble.
Remedy: Check connection of the SCU PWB and the MFPC PWB. Check the ground. Replace the SCU PWB. Replace the MFPC PWB.

Code: E7-89
Description: Communication error between MFPC PWB CPU and energy-saving NIC controller
Causes: MFPC PWB trouble.
Remedy: Replace the MFPC PWB.

Code: E7-90
Description: MFP - PCU PWB communication error
Causes: PCU PWB - MFPC PWB connection trouble. PCU PWB trouble. MFPC PWB trouble.
Remedy: Check connection of the PCU PWB and the MFPC PWB. Check the ground. Replace the PCU PWB. Replace the MFPC PWB.

Code: E7-91
Description: FAX reception image data error
Causes: Image data process abnormality HDD trouble SD card trouble or contact error Image compression data corruption MFPC PWB trouble DIMM memory trouble or contact error FAX control PWB trouble
Remedy: Use SIM60-01 to check the read/write operations of the memory. Replace the HDD. Replace or check installation of the SD card. Replace the MFPC PWB. Replace or check installation of the DIMM memory. Replace the FAX control PWB.

Code: E7-92
Description: Copy image data error
Causes: Image data process abnormality HDD trouble Image compression data corruption MFPC PWB trouble DIMM memory trouble or contact error
Remedy: Use SIM60-01 to check the read/write operations of the memory. Replace the HDD. Replace the MFPC PWB. Replace or check installation of the DIMM memory.

Code: E7-93
Description: Copy, image send, filing, print image data process error
Causes: Image data process abnormality HDD trouble Image compression data corruption MFPC PWB trouble DIMM memory trouble or contact error
Remedy: Use SIM60-01 to check the read/write operations of the memory. Replace the HDD. Replace the MFPC PWB. Replace or check installation of the DIMM memory.

Code: E7-94
Description: Image file data process error (when importing file data)
Causes: Image data process abnormality HDD trouble Image compression data corruption MFPC PWB trouble DIMM memory trouble or contact error
Remedy: Use SIM60-01 to check the read/write operations of the memory. Replace the HDD. Replace the MFPC PWB. Replace or check installation of the DIMM memory.