HP 2840 HP Color LaserJet 2820/2830/2840 All-In-One - User Guide - Page 268

Media-handling problems, software settings may

Page 268 highlights

Problem Vertical white or faded stripes appear on the copy. Cause The media might not meet HP specifications. One or more print cartridges might be low. Solution Use media that meets HP specifications. See Media specifications. Replace any low print cartridges. See Changing a print cartridge. Unwanted lines appear on the copy. Tray 1 might not be placed correctly. Verify that tray 1 is in place. The flatbed scanner or the ADF Clean the flatbed scanner or glass might be dirty. the ADF glass. See To clean the scanner glass. The photosensitive drum inside the print cartridge might have been scratched. Install a new HP print cartridge. See Changing a print cartridge. Black dots or streaks appear on the copy. Copies are too light or dark. Text is unclear. Ink, glue, correction fluid, or an unwanted substance might be on the automatic document feeder (ADF) or flatbed scanner. Clean the device. See Cleaning the device. The printer driver or device software settings may be incorrect. Verify that the quality settings are correct. See Adjusting the copy quality. See the device software Help for more information about changing the settings. The printer driver or device software settings may be incorrect. Verify that the quality settings are correct. See Adjusting the copy quality. See the device software Help for more information about changing the settings. Media-handling problems Problem Poor print quality or toner adhesion Cause The paper is too moist, too rough, too heavy or too smooth, or it is embossed or from a faulty paper lot. Solution Try another kind of paper, between 100 and 250 Sheffield, 4 to 6% moisture content. 252 Chapter 14 Troubleshooting ENWW

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Problem
Cause
Solution
Vertical white or faded stripes
appear on the copy.
The media might not meet
HP specifications.
Use media that meets
HP specifications. See
Media
specifications
.
One or more print cartridges
might be low.
Replace any low print
cartridges. See
Changing
a
print
cartridge
.
Unwanted lines appear on the
copy.
Tray 1 might not be placed
correctly.
Verify that tray 1 is in place.
The flatbed scanner or the ADF
glass might be dirty.
Clean the flatbed scanner or
the ADF glass. See
To
clean
the
scanner
glass
.
The photosensitive drum inside
the print cartridge might have
been scratched.
Install a new HP print cartridge.
See
Changing
a
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
Cleaning
the
device
.
Copies are too light or dark.
The printer driver or device
software settings may be
incorrect.
Verify that the quality settings
are correct. See
Adjusting
the
copy
quality
.
See the device software Help
for more information about
changing the settings.
Text is unclear.
The printer driver or device
software settings may be
incorrect.
Verify that the quality settings
are correct. See
Adjusting
the
copy
quality
.
See the device software Help
for more information about
changing the settings.
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.
252
Chapter 14 Troubleshooting
ENWW