5.System Maintenance
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underscores on the operation panel are replaced by stars.
11. Wait until the message "Update done" is shown.
12. After turning OFF the main power, remove the SD card.
13. Again, turn ON the main power, and check whether the machine is operating normally.
14. Print the Configuration Page to check that the firmware is correctly updated:
List/Test Print > Config. Page
15. Reassemble the machine.
• An error code is shown if an error occurs during the download. Error codes have the letter "E"
and a number. If an error occurs, the firmware is not correctly downloaded; see the error code
table (Error Screens During Updating) and do the necessary steps. After this, download the
firmware again.
• If the firmware update is interrupted by a power failure, the firmware is not correctly
downloaded. In this condition, machine operation is not guaranteed. You have to download the
firmware again.
Error Screens During Updating
EXX shows an error code.
(This error is generated if the update was performed when a printer application startup card is removed
after system startup. An error indicating failure of card access is displayed on the screen.)
For error codes, refer to the following table:
Error Code List
• Switch the main power supply off and on to
try again.
• Re-insert the SD card to reboot it.
• Replace the controller board (PCB15) if the
above solutions do not solve the problem.
• Switch the main power supply off and on to
try again.
• Replace the controller board (PCB15) if the
updating cannot be done by switching the
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