HP LaserJet Pro MFP M28-M31 User Guide - Page 95

Improve copy and scan image quality, Introduction, Check the scanner glass for dirt and smudges,

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Improve copy and scan image quality Introduction If the printer is having image quality problems, first make sure you are using high-quality originals. If the problem still exists, try the following solutions in the order presented to resolve the issue. ● Check the scanner glass for dirt and smudges ● Check the paper settings ● Optimize for text or pictures ● Edge-to-edge copying If the issue is not resolved, see "Improve print quality" for further solutions. Check the scanner glass for dirt and smudges Over time, specks of debris might collect on the scanner glass and white plastic backing, which can affect performance. Use the following procedure to clean the scanner. 1. Press the power button to turn the printer off, and then disconnect the power cable from the electrical outlet. 2. Open the scanner lid. 3. Clean the scanner glass and the white plastic backing underneath the scanner lid with a soft cloth or sponge that has been moistened with nonabrasive glass cleaner. CAUTION: Do not use abrasives, acetone, benzene, ammonia, ethyl alcohol, or carbon tetrachloride on any part of the printer; these can damage the printer. Do not place liquids directly on the glass or platen. They might seep and damage the printer. 4. Dry the glass and white plastic parts with a chamois or a cellulose sponge to prevent spotting. 5. Connect the power cable to an outlet, and then press the power button to turn the printer on. Check the paper settings 1. Open the HP Embedded Web Server (EWS): a. Open the HP Printer Assistant. ● Windows 10: From the Start menu, click All Apps, click HP, and then select the printer name. ● Windows 8.1: Click the down arrow in lower left corner of the Start screen, and then select the printer name. ENWW Improve copy and scan image quality 87

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Improve copy and scan image quality
Introduction
If the printer is having image quality problems, first make sure you are using high-quality originals. If the problem
still exists, try the following solutions in the order presented to resolve the issue.
●
Check the scanner glass for dirt and smudges
●
Check the paper settings
●
Optimize for text or pictures
●
Edge-to-edge copying
If the issue is not resolved, see “Improve print quality” for further solutions.
Check the scanner glass for dirt and smudges
Over time, specks of debris might collect on the scanner glass and white plastic backing, which can affect
performance. Use the following procedure to clean the scanner.
1.
Press the power button to turn the printer off, and then disconnect the power cable from the electrical
outlet.
2.
Open the scanner lid.
3.
Clean the scanner glass and the white plastic backing underneath the scanner lid with a soft cloth or
sponge that has been moistened with nonabrasive glass cleaner.
CAUTION:
Do not use abrasives, acetone, benzene, ammonia, ethyl alcohol, or carbon tetrachloride on
any part of the printer; these can damage the printer. Do not place liquids directly on the glass or platen.
They might seep and damage the printer.
4.
Dry the glass and white plastic parts with a chamois or a cellulose sponge to prevent spotting.
5.
Connect the power cable to an outlet, and then press the power button to turn the printer on.
Check the paper settings
1.
Open the HP Embedded Web Server (EWS):
a.
Open the HP Printer Assistant.
●
Windows 10
: From the
Start
menu, click
All Apps
, click
HP
, and then select the printer name.
●
Windows 8.1
: Click the down arrow in lower left corner of the
Start
screen, and then select the
printer name.
ENWW
Improve copy and scan image quality
87