HP M4345 User Guide - Page 232

Media-handling problems, Problem, Cause, Solution

Page 232 highlights

Problem Unwanted lines appear on the copy. AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc Black dots or streaks appear on the copy. Copies are too light or dark. Text is unclear. Cause Tray 1 or tray 2 might not be installed correctly. The flatbed scanner or the ADF glass might be dirty. The photosensitive drum inside the print cartridge might have been scratched. Solution Verify that the tray is in place. Clean the flatbed scanner or the ADF glass. See Clean the device. Install a new HP print cartridge. See Change the print cartridge. Ink, glue, correction fluid, or an unwanted substance might be on the automatic document feeder (ADF) or flatbed scanner. Clean the device. See Clean the device. The darkness setting needs to be adjusted. Touch Copy, and then touch Image Adjustment. Adjust the Darkness slider to lighten or darken the image. The sharpness setting needs to be adjusted. The image should be optimized for text. To adjust the sharpness, touch Copy, and then touch Image Adjustment. Adjust the Sharpness slider to the right to increase the sharpness. To optimize the image for text, touch Copy and then touch Optimize Text/ Picture. Select Text. Media-handling problems Problem Poor print quality or toner adhesion Dropouts, jamming, or curl Excessive curl Jamming, damage to device Cause Solution The paper is too moist, too rough, too heavy or too smooth, or it is embossed or from a faulty paper lot. Try another kind of paper, between 100 and 250 Sheffield, 4 to 6% moisture content. The paper has been stored incorrectly. Store paper flat in its moisture-proof wrapping. The paper has variability from one side Turn the paper over. to the other. The paper is too moist, has the wrong grain direction, or is of short-grain construction Open the rear output bin, or use longgrain paper. The paper varies from side-to-side. Turn the paper over. The paper has cutouts or perforations. Use paper that is free of cutouts or perforations. 220 Chapter 11 Problem solving ENWW

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Problem
Cause
Solution
Unwanted lines appear on the copy.
A
A
A
A
A
B
B
B
B
B
C
C
C
C
C
a
a
a
a
a
c
c
c
c
c
b
b
b
b
b
Tray 1 or tray 2 might not be installed
correctly.
Verify that the tray is in place.
The flatbed scanner or the ADF glass
might be dirty.
Clean the flatbed scanner or the ADF
glass. See
Clean
the
device
.
The photosensitive drum inside the
print cartridge might have been
scratched.
Install a new HP print cartridge. See
Change
the
print
cartridge
.
Black dots or streaks appear on the
copy.
Ink, glue, correction fluid, or an
unwanted substance might be on the
automatic document feeder (ADF) or
flatbed scanner.
Clean the device. See
Clean
the
device
.
Copies are too light or dark.
The darkness setting needs to be
adjusted.
Touch
Copy
, and then touch
Image
Adjustment.
Adjust the
Darkness
slider
to lighten or darken the image.
Text is unclear.
The sharpness setting needs to be
adjusted.
The image should be optimized for text.
To adjust the sharpness, touch
Copy
,
and then touch
Image Adjustment.
Adjust the
Sharpness
slider to the right
to increase the sharpness.
To optimize the image for text, touch
Copy
and then touch
Optimize Text/
Picture
. Select
Text
.
Media-handling problems
Problem
Cause
Solution
Poor print quality or toner adhesion
The paper is too moist, too rough, too
heavy or too smooth, or it is embossed
or from a faulty paper lot.
Try another kind of paper, between 100
and 250 Sheffield, 4 to 6% moisture
content.
Dropouts, jamming, or curl
The paper has been stored incorrectly.
Store paper flat in its moisture-proof
wrapping.
The paper has variability from one side
to the other.
Turn the paper over.
Excessive curl
The paper is too moist, has the wrong
grain direction, or is of short-grain
construction
Open the rear output bin, or use long-
grain paper.
The paper varies from side-to-side.
Turn the paper over.
Jamming, damage to device
The paper has cutouts or perforations.
Use paper that is free of cutouts or
perforations.
220
Chapter 11
Problem solving
ENWW