Canon Maxify Ib4020 User Guide

If you are using plain paper to print images with high intensity, the paper may absorb too much ink and becomewavy, causing paper abrasion.
Reduce the intensity setting in the printer driver and try printing again.1.
Open the printer driver setup window.
How to Open the Printer Driver Setup Window
2.
On the  Main sheet, select  Manual for Color/Intensity , and then click Set....
3.
Drag the  Intensity slide bar on the  Color Adjustment  sheet to adjust the intensity.
Check6
 Is printing performed beyond...

Back of the Paper Is Smudged
Check1 Did you confirm the paper and print quality settings?
Print Results Not Satisfactory
Check2  Perform the Bottom Plate Cleaning to clean the inside of the printer.
Cleaning the Inside of the Printer (Bottom Plate Cleaning)
Note
•
When performing duplex printing or too much printing, the inside may become stained with ink.
502
 

Colors Are Uneven or Streaked
 Colors Are Uneven
 Colors Are Streaked
Check1 Did you confirm the paper and print quality settings?
Print Results Not Satisfactory
Check2 Print the Nozzle Check Pattern and perform any necessary maintenance
operations such as Print Head Cleaning.
Print the Nozzle Check Pattern to determine whether the ink ejects properly from the print head nozzles.Refer to 
When Printing Becomes Faint or Colors Are Incorrect  for the Nozzle Check Pattern printing, Print Head
Cleaning, and...

Perform the Print Head Deep Cleaning.
If the problem is not resolved after performing the Print Head Deep Cleaning, turn off the printer and
perform another Print Head Deep Cleaning after 24 hours.•
If the problem is not resolved after performing the Print Head Deep Cleaning twice:
If Print Head Deep Cleaning does not resolve the problem, the print head may be damaged. Contact the
service center.
Check3  Perform Print Head Alignment.
Aligning the Print Head
Note
•
If the problem is not resolved after...

Ink Is Not Ejected
Check1 Has the ink run out?
Check the Support Code on the LCD and take the appropriate action to resolve the error.
Support Code List
Check2  Are the print head nozzles clogged?
Print the Nozzle Check Pattern to determine whether the ink ejects properly from the print head nozzles. Refer to 
When Printing Becomes Faint or Colors Are Incorrect  for the Nozzle Check Pattern printing, Print Head
Cleaning, and Print Head Deep Cleaning.
•
If the Nozzle Check Pattern is not printed...

Problems with the Printer
The Printer Cannot Be Powered On
The Printer Turns Off Unintentionally
Cannot Connect to Computer with a USB Cable Properly
Cannot Communicate with the Printer with USB Connection
LCD Cannot Be Seen At All
An Unintended Language Is Displayed on the LCD
Print Head Holder Does Not Move to the Position for Replacing
Printer Status Monitor Is Not Displayed
506
 

The Printer Cannot Be Powered On
Check1 Press the  ON button.
Check2
 Make sure that the power plug is securely plugged into the power cord
connector of the printer, then turn it back on.
Check3  Unplug the printer from the power supply, then plug the printer back in and turn
the printer back on after leaving it for at least 2 minutes.
If the problem is not resolved, contact the service center.
507
 

The Printer Turns Off Unintentionally
Check Deactivate the setting to turn the unit off automatically.
The printer turns off automatically according to the elapsed time you specified if you activate the setting to turn
the unit off automatically.
If you do not want the printer to turn off automatically, open the printer driver setup window and in  Auto Power
under the  Maintenance  sheet, select  Disable for Auto Power Off .
508
 

Cannot Connect to Computer with a USB Cable Properly
Printing Speed Is Slow/Hi-Speed USB Connection Does Not
Work/"This device can perform faster" Message Is Displayed
If your system environment is not fully compatible with Hi-Speed USB, the printer will operate at a lower
speed provided under USB 1.1. In this case, the printer operates properly but printing speed may slow
down due to communication speed.
Check  Check the following to make sure that your system environment supports Hi-
Speed USB...

Cannot Communicate with the Printer with USB Connection
Check1 Make sure that the printer is turned on.
Check2 Make sure that the USB cable is connected properly.
See 
Connecting the Printer to the Computer Using a USB Cable  to connect the USB cable properly.
Check3
 Do not start up IJ Network Tool while printing.
Check4  Do not print while IJ Network Tool is running.
Check5 Make sure that  Enable bidirectional support  is selected in the Ports sheet of
the properties dialog box of the printer driver....