Table of Contents
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Error Message
Bidirectional
communication error
List of Error Messages/Warning Messages
Error Content
An unknown error was
returned.
Handling
Confirm that the printer's power
is on (online or sleep state).
Restart the computer and
printer.
If the printer is connected to the
computer with LAN connection,
Check the [Extend Time-Out
value] check box from the
network utility.
P.210
（→
If the printer is shared, start
Windows Task Manager, and
confirm that "Canon XXXX Status
Monitor Service" (where XXXX is
the model name) is registered in
the [Service] tab.
If it is not registered, follow
the steps below to register the
service.
1. Start CD-ROM.
2.
Click [Install the printer
［
driver].
3. Select [Server Client
Registration], and then click
[OK].
Confirm the port settings.
）
P. 1 63
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）
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Table of Contents
Troubleshooting
