Canon Maxify Ib4020 User Guide

For the procedures to connect a network device to the computer and set them up, refer to the instructionmanual of your network device or contact its manufacturer.
Check7  Make sure that the radio status is good and adjust the installation positions
while monitoring the radio status with IJ Network Tool.
Monitoring Wireless Network Status
Check8  Make sure that a valid wireless channel is used.
The wireless channel to be used may be limited depending on wireless network devices installed in the
computer....

Cannot Communicate with the Printer Using the Access Point Mode
Check1 Make sure that the printer is turned on.
Check2 Is Change LAN  in LAN settings  under Device settings  set to LAN inactive ,
Wireless LAN active , or Wired LAN active ?
Select  AP mode active .
Check3
 Is the printer selected to connect external communication devices (e.g.
computers, smartphones, or tablets)?
Select an access point name (SSID) specified for the printer as a destination for external communicationdevices.
Check4  Enter...

If the problem is not resolved, perform setup again with the Setup CD-ROM or perform it according to theinstructions on our website.
Cannot Print from a Computer Connected to the Network
Check1  Make sure that the network settings of the computer are correct.
For the procedures to set up the computer, refer to the instruction manual of your computer or contact its manufacturer.
Check2  If the printer driver is not installed, install it.
Install the printer driver with the Setup CD-ROM or install it from...

Ink Remaining Level Is Not Displayed on Printer Status Monitor of
the Printer
Use the printer driver with bidirectional communication. Select  Enable bidirectional support  in the Ports sheet of the properties dialog box of the printer driver.
How to Open the Printer Driver Setup Window
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Printing Speed Is Slow
Check1 The printer may be printing out a large job issued from another computer.
Check2 When using wireless LAN, make sure that the radio status is good and adjust
the installation positions while monitoring the radio status with IJ Network Tool.
Monitoring Wireless Network Status
Make sure that there is no barrier or obstacle between the access point and the printer. Wireless communication
between different rooms or floors is generally poor. The metal, concrete, or timber...

Cannot Use the Printer on Replacing an Access Point or Changing
Its settings
When you replace an access point, perform network setup of the printer again.
Perform network setup again with the Setup CD-ROM or perform it again according to the instructions on
our website.
If the problem is not resolved, see below.
Cannot Communicate with the Printer After Applying MAC/IP Address Filtering or Entering an Encryption
Key to the Access Point
When Encryption Is Enabled, Cannot Communicate With the Printer After...

When Encryption Is Enabled, Cannot Communicate With the Printer
After the Encryption Type Was Switched on the Access Point
If the printer cannot communicate with the computer after the encryption type of the printer was switched,
make sure that encryption types for the computer and the access point matches that set to the printer.
Cannot Communicate with the Printer After Applying MAC/IP Address Filtering or Entering an
Encryption Key to the Access Point
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Cannot Detect a Printer on a Network
Cannot Detect the Printer When Setting up Network Communication
The Printer Cannot Be Detected in the Wireless LAN
The Printer Cannot Be Detected in the Wired LAN
Note
•
You cannot use the wireless LAN and the wired LAN at the same time.
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Cannot Detect the Printer When Setting up Network
Communication
If the printer could not be detected on the network when setting up the network communication, confirm the
network settings before redetecting the printer.
Cannot Detect the Printer during Wireless LAN Setup: Check 1
Cannot Detect the Printer during Wired LAN Setup: Check 1
Important
•
If the printer cannot be detected while you are setting up the network communication using a USB
cable, the printer may be in the access point mode. In this...

Cannot Detect the Printer during Wireless LAN Setup: Check 1
Are the printer and network device (router, access point, etc.) turned on?
Make sure that the printer is turned on.
Confirming that the Power Is On
Make sure that the network device (router, access point, etc.) is turned on.
If the printer or the network device is turned off:
Turn on the printer or the network device.
After turning on the printer or the network device, it may take some time until ready for use. After a while
just turning on the...