FIRMWARE UPDATE PROCEDURE FOR MFP MACHINES
SM 5-95 B121 Series/B259 Series
Service
Tables
FIRMWARE ERROR TABLE
Code Cause Necessary Action
E20
Physical address mapping
error
• Insert the SD card correctly.
• Use another SD card
E22 Decompression error
• Store correct data in the SD card.
E23 Update program error
• Update controller program.
• Replace the controller.
E24 SD card access error
• Insert the SD card correctly.
• Use another SD card.
E31 Download data inconsistency*
• Insert the SD card that was used when
the previous update procedure was
interrupted.
E32 Download data inconsistency*
• Insert the SD card that stores the correct
data.
E33 Version data error
• Store the correct data in the SD card.
E34 Locale data error
• Store the correct data in the SD card.
E35 Machine model data error
• Store the correct data in the SD card.
E36 Module data error
• Store the correct data in the SD card.
E40 Engine program error**
• Store the correct data in the SD card.
• Replace BICU.
E42
Operation panel program
error*
• Store the correct data in the SD card.
• Replace the operation panel board.
E44 Controller program error*
• Store the correct data in the SD card.
• Replace the controller board.
E50 Authentication error
• Store the correct data in the SD card.
* Denotes you need to reinstall the program.
• Try pressing the “1”, “4”, “3”, keys on the operation panel when the error
appears then press the clear key three times.
If the firmware update program is interrupted, for example, by power failure,
keep the SD card inserted and turn the main switch off and on. The firmware
update program restarts. If you do not do so, the message "Reboot after Card
insert" is displayed when you turn the main switch on.
Rev. 09/2004
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