Network Packet Capture - Canon imageRUNNER ADVANCE 4551i Service Manual

2. Select [ON] and press [OK] to start saving the log of key operations.
• ON: The log of key operations starts to be recorded.
• OFF: The log of key operations during the period is not recorded.
3. Connect a USB device to the machine.
4. Reproduce the problem, and quickly collect the debug log.
Hold down the Counter key (for 10 seconds) and press numeric keys 1, 2, and 3, in that order.
NOTE:
If this operation is executed with a USB device connected to the machine in advance, debug logs and the log of key operations
are saved to the USB device.
If a USB device is not connected, the logs are collected later.
5. Collect the log of key operations with a manual trigger.
The log can be collected using either SST or a USB device. The procedure for collecting the log using LOG2USB is used
here as an example.
1. Allow the host machine to recognize USB memory device storage device.
2. Execute the following service mode.
• (Level2) > COPIER > Function > DBG-LOG > LOG2USB
3. "OK!" is displayed when the processing is successfully completed. "NG!" is displayed when the processing fails.
4. Remove the USB memory device for log collection.

Network Packet Capture

■ Overview
This function enables the network packet data sent and received by the device to be collected (captured) to the hard disk without
using a special device.
It enables network related trouble to be efficiently resolved.
Use SST or a USB device to collect the network packets saved to the hard disk.
CAUTION:
The network packet capture function may fail to collect a part of packet in a high-loaded network environment.
● Overall flow
The overall flow of operations is indicated below. For details on each procedure, see the related section.
1. Enable network packet capture function
2. Perform initial settings
3. Start network packet capture
4. Stop network packet capture
5. Save the obtained data
6. Disable network packet capture
● List of Related Service Mode
The service mode related to this function is indicated below.
No Service Mode
1 CAPOFFON Setting for enabling/disabling this function
2 STT-STP Setting for starting/stopping network capture
3 CAPSTATE The operation status of the capture function (displayed only)
4 PONSTART Whether to automatically start capturing when the machine is turned
on
5 OVERWRIT Whether to overwrite old data when there is no space in the hard
disk
Description
371
6. Troubleshooting
Setting value
0: Disable, 1: Enable
0: Stop, 1: Start
-
0: Do not automatically start, 1: Automat-
ically start
0: Do not overwrite, 1: Overwrite