HP Color LaserJet Pro MFP M277 User Guide - Page 138

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

Page 138 highlights

Improve fax image quality Introduction If the product is having image quality problems, try the following solutions in the order presented to resolve the issue. ● Check the scanner glass for dirt and smudges ● Check the send-fax resolution settings ● Check the error-correction settings ● Check the fit-to-page setting ● Clean the pickup rollers and separation pad in the document feeder ● Send to a different fax machine ● Check the sender's fax machine Try these few simple steps first: ● Use the flatbed scanner rather than the document feeder. ● Use high-quality originals. ● When using the document feeder, load the original document into the feeder correctly, using the paper guides, to avoid unclear or skewed images. If the problem still exists, try these additional solutions. If they do not fix the problem, 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 product 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 product; these can damage the product. Do not place liquids directly on the glass or platen. They might seep and damage the product. 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 product on. 128 Chapter 9 Solve problems ENWW

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Improve fax image quality
Introduction
If the product is having image quality problems, try the following solutions in the order presented to resolve the
issue.
Check the scanner glass for dirt and smudges
Check the send-fax resolution settings
Check the error-correction settings
Check the
fit-to-page
setting
Clean the pickup rollers and separation pad in the document feeder
Send to a
different
fax machine
Check the sender's fax machine
Try these few simple steps first:
Use the flatbed scanner rather than the document feeder.
Use high-quality originals.
When using the document feeder, load the original document into the feeder correctly, using the paper
guides, to avoid unclear or skewed images.
If the problem still exists, try these additional solutions. If they do not fix the problem, 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 product 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 product; these can damage the product. Do not place liquids directly on the glass or platen.
They might seep and damage the product.
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 product on.
128
Chapter 9
Solve problems
ENWW