Canon imageRUNNER ADVANCE C255 Series, Service Manual, Page: 460 / 987

E733-F002-05 Printer communication error
Detection Description Disconnection of a cable between the Main Controller PCB and the DC Controller PCB was
detected.
Remedy
[Remedy] Check/replace the harness between the DC Controller PCB and the Main Controller
PCB.
E743-0000-04 DDI communication error
Detection Description Software sequence error
Remedy [Remedy] Collect debug log and contact to the sales company.
E744-0001-00 Language file error
Detection Description The language file in HDD was not supported by the version of Bootable.
Remedy Reinstall the correct language file using SST or USB flash drive reinstall the entire software.
E744-0003-00 Language file error
Detection Description The language file to be switched to that was described in the Config.txt in HDD was not found.
Remedy Reinstall the correct language file using SST or USB flash drive reinstall the entire software.
E744-0004-00 Language file error
Detection Description Switching to the language file in the HDD failed.
Remedy Reinstall the correct language file using SST or USB flash drive reinstall the entire software.
E744-2000-00 System error
Detection Description System error
Remedy Contact to the sales company.
E744-5000-07 Mismatch of software version for fax
Detection Description After the Fax Board (option) has been installed, mismatch of version of software in the Fax Board
was detected at transmission and reception.
Remedy Upgrade the system software version to the latest one.
E746-0011-00 Voice Board error
Detection Description Both the Voice Guidance PCB and the Voice Operation PCB are inserted.
Remedy
Insert only 1 board of the appropriate voice board.
E746-0021-00 Image Analysis Board error
Detection Description Self-check NG of Image Analysis Board
Remedy Perform the following in the order while checking whether the error is cleared.
1. Remove and then install the Image Analysis Board.
2. If the error is not cleared, replace the Image Analysis Board.
3. After replacing the Image Analysis Board, reinstall the firmware of the Image Analysis Board or
the system software which version is supported by this model using SST or a USB flash drive.
E746-0022-00 Image Analysis Board error
Detection Description Different version of Image Analysis Board (PCB used for PCAM)
Remedy Reinstall the firmware of the Image Analysis Board or the system software which version is
supported by this model using SST or a USB flash drive.
E746-0023-00 Image Analysis Board error
Detection Description No response from Image Analysis Board (PCB used for PCAM)
Remedy
Perform the following in the order while checking whether the error is cleared.
1. Remove and then install the Image Analysis Board.
2. If the error is not cleared, replace the Image Analysis Board.
3. After replacing the Image Analysis Board, reinstall the firmware of the Image Analysis Board or
the system software which version is supported by this model using SST or a USB flash drive.
7. Error/Jam/Alarm
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