Causes: The SSD I/O error is detected when accessing the file after the ready mode. (SSD format error after restart such as the system initialization, Sanitization or encrypted format after introducing the security kit)
Remedy: 1 Resetting the main power The main/engine PWB does not operate correctly. Turn off the power switch and pull out the power plug. After passing 5s, reinsert the power plug and turn on the power switch. 2 Reinstalling HD-6/7 (SSD) The HD-6/7 (SSD) is not connected to the KUIO connector of the main/ engine PWB Turn the power switch off and disconnect the power cord. Check the HD-6/7 (SSD) is connected to the KUIO connector of the main/engine PWB properly and reinstalled the HD-6/7 (SSD). 3 Initializing HD-6/7 (SSD) HD-6 or HD-7 (SSD) does not operate correctly. Initialize the HD-6/7 (SSD) at [System Menu/Counter] key > [Adjustment/Maintenance] > [Service Settings] > [SSD Format]. 4 Main/engine PWB replacement The main/engine PWB is faulty. Replace the main/engine PWB.
Code: C0800
Description: Image processing error
Causes: The print sequence jam (J010x) is detected 2 times in succession.
Remedy: 1 Checking the image data The image data is faulty. When this issue occurs only when handling the certain image data, check if the image data is faulty. 2 Checking the situation The printing operation of the certain file is faulty. Acquire the job's log if the phenomenon can be reproduced by specifying the job when the error was detected. 3 Checking the main/engine 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/engine 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/engine PWB.
Code: C0830
Description: FAX PWB flash program area checksum error
Causes: The program stored in the flash memory is broken so it cannot perform.
Remedy: 1 Reinstalling the firmware The firmware is faulty. Reinstall the firmware. 2 Initializing the fax The FAX data is faulty. Execute U600 to initialize the FAX. 3 Checking the connection The connector is not properly connected or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • FAX PWB - Main/engine PWB 4 Replacing the FAX PWB The FAX PWB is faulty. Replace the FAX PWB. 5 Main/engine PWB replacement The main/engine PWB is faulty. Replace the main/engine PWB.
Code: C0840
Description: RTC error ('Time for maintenance T' appears)
Causes: [Check at start-up] • RTC values are old. • Power has not been turned on for over 5 years. • RTC value is older than 2000/1/1 00:01. [Periodic check per 5 minutes after start-up] • RTC values are older than the ones at the last check. • Partial operation by power reset after C840 error and 'Time for Maintenance T' is indicated.
Remedy: 1 Setting the RTC RTC is not properly set. Set the RTC in the System Menu. 2 Checking the life of the backup battery The backup battery has run out. If the same service call error appears after resetting the power, check the backup battery. If it has run out, replace the backup battery on the main/engine PWB. 3 Reattaching the main/ engine PWB The main/engine PWB is not properly attached. Retighten the screws for the main/engine PWB. 4 Checking the main/engine 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/engine 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/engine PWB.
Code: C0870
Description: Image data transmission error to FAX PWB
Causes: Data was not properly transmitted even if the specified times of retry were made when the large volume data is transmitted into the FAX PWB
Remedy: 1 Reinstalling the firmware The firmware is faulty. Reinstall the firmware. 2 Initializing the fax The FAX data is faulty. Execute U600 to initialize the FAX. 3 Checking the connection The connector is not properly connected or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • FAX PWB - Main/engine PWB 4 Replacing the FAX PWB The FAX PWB is faulty. Replace the FAX PWB. 5 Main/engine PWB replacement The main/engine PWB is faulty. Replace the main/engine PWB.
Code: C0920
Description: FAX file system error
Causes: The backup data cannot be stored in the flash memory device due to the file system error
Remedy: 1 Reinstalling the firmware The firmware is faulty. Reinstall the firmware. 2 Initializing the fax The FAX data is faulty. Execute U600 to initialize the FAX. 3 Checking the connection The connector is not properly connected or the wire is faulty. Clean the terminal of the following wire connectors and reconnect the connectors. If there is no continuity, replace the wire. • FAX PWB - Main/engine PWB 4 Replacing the FAX PWB The FAX PWB is faulty. Replace the FAX PWB. 5 Main/engine PWB replacement The main/engine PWB is faulty. Replace the main/engine PWB.