Canon LBP351 Series Service Manual page 74

Error Code Description
8xxx 4302
<In the case of scheduled up-
date>
In response to a download start
notification sent from the de-
vice, the distribution server re-
turned an error and stopped the
operation of the device within a
certain period of time before the
distribution server mainte-
nance time.
<In the case of distribution exe-
cuted by specifying the date
and time>
The firmware version of the de-
vice at the time when the distri-
bution settings were specified
and the version at the time im-
mediately before update are
different.
HTTP communication
5101 Specified Hash Algorithm is un-
known
5102 Download file URL is invalid
5103 No network cable connection
(device side)
5201 Invalid HTTP request
5202 Failed to connect to the server Check the network environment of the de-
5203 Failed to find the server
5204 An input/output error occurred
during the connecting process
to the server
5205 Failed to read a HTTP re-
sponse.
An error or time-out has occur-
red because the line speed is
low.
Remedy
<In the case of scheduled update>
Specify the distribution settings again,
making sure that the distribution server
maintenance time and the scheduled up-
date time do not overlap.
<In the case of distribution executed by
specifying the date and time>
Specify the distribution settings again,
making sure that the firmware version of
device at the time when the distribution set-
tings are specified and the version at the
time immediately before update are the
same.
Contact the support department of the
sales company.
(Attach the Sublog and update log of the
device.)
Check the URL setting of CDS server, reset
the setting, and then start the operation
again.
Check the network environment of the de-
vice, and start the operation again.
Contact the support department of the
sales company.
(Attach the Sublog and update log of the
device.)
vice (such as the examples shown below)
and start the operation again.
• Check if the network cable is discon-
nected.
• Check if connection with the proxy
server has failed.
• Check if there is any problem with the
DNS server.
Check the network environment of the de-
vice (the proxy settings, etc.), and start the
operation again.
Check that no problem is found in the two
items displayed during the communication
test. If any problem was found, check the
network environment.
Check that no problem is found in the two
items displayed during the communication
test. If any problem was found, check the
network environment.
If it occurs again, contact the support de-
partment of the sales company.
(Together with information regarding the
network environment of the user and the
system log/sublog of the device)
67
3. Technical Explanation (System)
Cause of error
CDS server UP DATER
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Network
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