Canon imageRUNNER ADVANCE C5255 Series Service Manual page 686

■ USB Network Packet File Collection
● Overview
• Collect the network capture data that has been stored in the machine using a USB memory.
• It is possible to use files in clear text format for in-house analysis by using free software,
such as Wireshark. Note that only Canon Inc. can analyze encrypted files. In the case of
failure in solving problems, send encrypted files to Canon Inc.
● Preparation
USB memory
Store in advance the system software of the machine to connect to.
For the system software, it is fine to store just one of the system software of the machine
(LANG, etc). There is no need to store the full set.
● Overall flow
1) Enter download mode
2) Select Backup
3) Transfer the network capture data
4) Collect the network capture data
● Enter Download Mode
1) Connect the USB memory to the USB port.
2) Select COPIER > FUNCTION > SYSTEM > DOWNLOAD, and then press [OK].
3) When the machine recognizes the USB memory, download Menu (USB) appears on the
Control Panel.
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Troubleshooting > Debug log > Network Packet Capture > USB Network Packet File Collection
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6 Troubleshooting > Debug log > Network Packet Capture > USB Network Packet File Collection
● Select Backup
1) When Download Menu (USB) appears, select [5]: Backup.
2) Select - (OK): 0.
3) When Backup Menu (USB) appears, select [5]: Netcap.
4) Select - (OK): 0.
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