Canon imageRUNNER ADVANCE DX 4751i Faq Manual page 16

Printing Results Are Not Satisfactory
Black Streaks Appear in
Images
Solution
Is the document feed scanning area
dirty?
For the imageRUNNER ADVANCE DX
4751i/4745i :
1. Turn OFF the machine, and unplug the power
plug from the AC power outlet.
2. Open the feeder, and clean the lower side
document feed scanning area (a) and feeder
white plate (b) using the supplied glass-cleaning
sheet.
N O T E
Do not use glass cleaner or an alcohol solution,
etc., as they will strip away the stain-proof
coating.
b
a
3.
Open the cover.
16
2
1
4. Open the inner cover.
5.
Wipe the original scanning area and feeder
white plate.
Wipe the thin and
long glass area
and white plate.
6. Close the cover and inner cover.
7. Close the feeder.
8. Insert the power plug into the power outlet, and
turn the power ON.
N O T E
If black streaks still appear after dirt removal,
perform the following procedure to execute [Clean
Feeder].
For more information User's Guide