HP LaserJet Pro MFP M28-M31 User Guide - Page 90

Table 8-5, Gray background or dark print, Blank No print

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Table 8-5 Gray background or dark print Description Sample Gray background or dark print: The image or text is darker than expected. Table 8-6 Blank page - No print Description Blank page - No print: The page is completely blank and contains no printed content. Sample 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 printer EWS, go to the Adjust Toner Density menu, and then adjust the toner density to a lower level. 5. Make sure that the printer is in within the supported operating temperature and humidity range. 6. Replace the cartridge. 7. If the problem persists, go to support.hp.com. Possible solutions 1. Make sure that the cartridge is genuine HP cartridges. 2. Make sure that the cartridge is installed correctly. 3. Print with a different cartridge. 4. Check the paper type in the paper tray and adjust the printer settings to match. If necessary, select a lighter paper type. 5. If the problem persists, go to support.hp.com. 82 Chapter 8 Solve problems ENWW

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Table 8-5
Gray background or dark print
Description
Sample
Possible solutions
Gray background or dark print:
The image or text is darker than expected.
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 printer
EWS, go to the
Adjust Toner Density
menu, and then adjust the toner
density to a lower level.
5.
Make sure that the printer is in within
the supported operating temperature
and humidity range.
6.
Replace the cartridge.
7.
If the problem persists, go to
support.hp.com
.
Table 8-6
Blank page — No print
Description
Sample
Possible solutions
Blank page — No print:
The page is completely blank and contains
no printed content.
1.
Make sure that the cartridge is
genuine HP cartridges.
2.
Make sure that the cartridge is
installed correctly.
3.
Print with a different cartridge.
4.
Check the paper type in the paper tray
and adjust the printer settings to
match. If necessary, select a lighter
paper type.
5.
If the problem persists, go to
support.hp.com
.
82
Chapter 8
Solve problems
ENWW