Causes: The FAX processing cannot be continued due to the FAX firmware error.
Remedy: 1 Reinstalling the FAX PWB The FAX PWB does not operate properly. Turn off the power switch and pull out the power plug. After passing 5s, reattach the FAX PWB and reinsert the power plug. Then, turn on the power switch. 2 Firmware upgrade The firmware is faulty. Reinstall the FAX firmware. 3 Replacing the FAX PWB The FAX PWB is faulty. Replace the FAX PWB.
Code: C0070
Description: FAX PWB incompatible detection error
Causes: Abnormal detection of FAX control PWB incompatibility in the initial communication with the FAX control PWB, any normal communication command is not transmitted.
Remedy: 1 Checking the FAX PWB The incompatible FAX PWB is installed. Install the FAX PWB for the applicable model. 2 Firmware upgrade The FAX firmware is faulty. Reinstall the FAX firmware.
Code: C0100
Description: Backup memory device error
Causes: An abnormal status is output from the flash memory.
Remedy: 1 Resetting the main power The EEPROM does not operate properly. Turn off the power switch and unplug the power cord. After 5s passes, reconnect the power cord and turn on the power switch. 2 Checking the EEPROM The EEPROM is not properly attached. Reinstall the EEPROM on the main PWB. 3 Checking the EEPROM The EEPROM is faulty. Replace the EEPROM. Then, execute U004 as service call error C0180 will appear after replacing the EEPROM. 4 Checking the main PWB The connector and FFC are not connected properly or the wire, FFC or PWB is faulty. Clean the terminal of the connectors on the main PWB, reconnect the connector of the wire, and reconnect the FFC terminal. If the wire or the FFC is faulty, repair or replace them. If not resolved, replace the main PWB.
Code: C0120
Description: MAC address data error
Causes: MAC address data was incorrect data.
Remedy: 1 Resetting the main power The flash memory does not operate properly. Turn off the power switch and unplug the power cord. After 5s passes, reconnect the power cord and turn on the power switch. 2 Checking the MAC address The MAC address is incorrect. Replace the main PWB when the MAC address is not indicated on the network status page.
Code: C0130
Description: Backup memory reading/writing error
Causes: The reading or writing into the flash memory is unavailable.
Remedy: 1 Resetting the main power The flash memory does not operate properly. Turn off the power switch and unplug the power cord. After 5s passes, reconnect the power cord and turn on the power switch. 2 Checking the main PWB The connector and FFC are not connected properly or the wire, FFC or PWB is faulty. Clean the terminal of the connectors on the main PWB, reconnect the connector of the wire, and reconnect the FFC terminal. If the wire or the FFC is faulty, repair or replace them. If not resolved, replace the main PWB.
Code: C0140
Description: Backup memory data error
Causes: The data read from the flash memory is judged as abnormal at the startup.
Remedy: 1 Resetting the main power The flash memory does not operate properly. Turn off the power switch and unplug the power cord. After 5s passes, reconnect the power cord and turn on the power switch. 2 Executing U021 The flash memory does not operate properly. Execute U021. 3 Checking the main PWB The connector and FFC are not connected properly or the wire, FFC or PWB is faulty. Clean the terminal of the connectors on the main PWB, reconnect the connector of the wire, and reconnect the FFC terminal. If the wire or the FFC is faulty, repair or replace them. If not resolved, replace the main PWB.