HP LaserJet Enterprise M612 User Guide - Page 140

Table 6-7, Gray background or dark print, Image placement defects

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Table 6-7 Gray background or dark print Sample Description The image or text is darker than expected and/or the background is gray. Possible solutions 1. Make sure that the paper in the trays has not already been run through the printer. 2. Use a different paper type. 3. Reprint the document. 4. Mono models only: From the Home screen on the printer control panel, go to the Adjust Toner Density menu, and then adjust the toner density to a lower level. 5. Make sure that the printer is within the supported operating temperature and humidity range. 6. Replace the cartridge. 7. If the issue persists, go to support.hp.com. Table 6-8 Image placement defects Sample Description Possible solutions The image is not centered, or is skewed on 1. the page. The defect occurs when the paper is not positioned properly as it is pulled from 2. the tray and moves through the paper path. Reprint the document. Remove the paper and then reload the tray. Make sure that all the paper edges are even on all sides. 3. Make sure that the top of the paper stack is below the tray-full indicator. Do not overfill the tray. 4. Make sure that the paper guides are adjusted to the correct size for the paper. Do not adjust the paper guides tightly against the paper stack. Adjust them to the indentations or markings in the tray. 5. If the issue persists, go to support.hp.com. ENWW Resolving mono print quality problems 131

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Table 6-7
Gray background or dark print
Sample
Description
Possible solutions
The image or text is darker than expected
and/or the background is gray.
1.
Make sure that the paper in the trays
has not already been run through the
printer.
2.
Use a different paper type.
3.
Reprint the document.
4.
Mono models only:
From the Home
screen on the printer control panel, go
to the
Adjust Toner Density
menu, and
then adjust the toner density to a
lower level.
5.
Make sure that the printer is within the
supported operating temperature and
humidity range.
6.
Replace the cartridge.
7.
If the issue persists, go to
support.hp.com
.
Table 6-8
Image placement defects
Sample
Description
Possible solutions
The image is not centered, or is skewed on
the page. The defect occurs when the paper
is not positioned properly as it is pulled from
the tray and moves through the paper path.
1.
Reprint the document.
2.
Remove the paper and then reload the
tray. Make sure that all the paper
edges are even on all sides.
3.
Make sure that the top of the paper
stack is below the tray-full indicator.
Do not overfill the tray.
4.
Make sure that the paper guides are
adjusted to the correct size for the
paper. Do not adjust the paper guides
tightly against the paper stack. Adjust
them to the indentations or markings
in the tray.
5.
If the issue persists, go to
support.hp.com
.
ENWW
Resolving mono print quality problems
131