HP Color LaserJet 4730 Multifunction Printer series - Manual (Page 331)

over a 220 mm
(9.66 inches) length
1. Make sure the ADF input
tray guides are adjusted
so that they are lightly
touching the sides of the
paper stack.
2. If the mylar strip is
dislodged, folded, or
misinstalled, verify it is
correctly installed. If the
mylar strip is worn,
replace it. Replacement
mylar strips are stored in
an envelope that is
underneath the white,
vinly ADF backing.
Follow the instructions
that are in the envelope.
3. Clean the ADF rollers.
See
Cleaning the ADF
delivery system .
4. If the problem persists,
calibrate the scanner.
See
Calibrating the
scanner .
Image shifted
An image that is shifted on the
page horizontally, vertically,
or both ways indicates that the
scanner is incorrectly
calibrated. See
Calibrating
the scanner .
Unexpected image
If the copy does not look at all
like the original document,
make sure that no media is on
the flatbed glass from a
previous copy job.
Cleaning the scanner glass
Clean the scanner glass only if dirt is visible, or if you are experiencing a decrease in copy quality, such
as streaking.
Table 12-7 Defects that can occur when using the ADF (continued)
ENWW Correcting print quality and copy quality problems 311