Canon imageRUNNER C3120 Getting Started page 13

Printing Results Are Not
Satisfactory
Irregularities Appear in Images/Images
Are Faint
Solution 1
The paper may have absorbed moisture.
Turn the Dehumidification switch on. If the
problem is still not resolved, load paper
that is not damp.
Solution 2
Perform gradation adjustment.
1.
Press , and then select <Menu>.
2.
Select <Adjustment/Maintenance> <Adjust
Image Quality> <Auto Adjust Gradation> on
the screen.
Follow the instructions on the screen to perform
gradation adjustment.
For more information, see the User's Guide.
For details
"Adjusting Gradation" in the User's Guide
For details
"Maintenance" and "Troubleshooting" in the User's Guide
Black Streaks Appear in Images
Clean the document feed scanning areas.
1.
Open the feeder, and clean the lower side
document feed scanning area using the
supplied glass-cleaning sheet.
NOTE
Do not use glass cleaner or an alcohol
solution, etc., as they will strip away the stain-
proof coating.
2.
Close the feeder.
If black streaks still appear after the
document feed scanning area has
been cleaned
Perform feeder cleaning.
1. Press , and then select <Menu>.
2. Select <Adjustment/Maintenance>
<Maintenance> <Clean Feeder>
<Start> on the screen.
NOTE
It takes approximately 20 seconds to clean
the feeder.
Quick Operation
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