HP LaserJet Enterprise MFP M636 User Guide - Page 231

Check the paper settings, Check the paper selection options, Check the image-adjustment settings

Page 231 highlights

a. Maintenance b. Calibration/Cleaning c. Calibrate Scanner 3. Select the Start button to start the calibration process. Follow the on-screen prompts. 4. Wait while the printer calibrates, and then try copying again. Check the paper settings Follow these steps if copied pages have smears, fuzzy or dark print, curled paper, or areas where pigment has dropped out. Check the paper selection options 1. From the Home screen on the printer control panel, select Copy. 2. Select Options, and then scroll to and select Paper Selection. 3. Select Paper size, and then select one of the predefined options. 4. Select Paper type, and then select one of the predefined options. 5. Select Paper tray, and then select one of the predefined options. 6. Select Done to save the paper selection options. Check the image-adjustment settings Adjust these additional settings to improve copy quality: ● Sharpness: Clarify or soften the image. For example, increasing the sharpness could make text appear crisper, but decreasing it could make photos appear smoother. ● Darkness: Increase or decrease the amount of white and black used in colors in scanned images. ● Contrast: Increase or decrease the difference between the lightest and the darkest color on the page. ● Background Cleanup: Remove faint colors from the background of scanned images. For example, if the original document is printed on colored paper, use this feature to lighten the background without affecting the darkness of the image. ● Automatic Tone: Available for Flow printers only. The printer automatically adjusts the Darkness, Contrast, and Background Cleanup settings to the most appropriate for the scanned document. 1. From the Home screen on the printer control panel, select Copy. 2. Select Options, and then scroll to and select Image Adjustment. 3. Adjust the sliders to set the levels, and select Done. 4. Select Copy to start the copy job. NOTE: These settings are temporary. After you have finished the job, the printer returns to the default settings. 218 Chapter 9 Solve problems ENWW

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a.
Maintenance
b.
Calibration/Cleaning
c.
Calibrate Scanner
3.
Select the
Start
button to start the calibration process. Follow the on-screen prompts.
4.
Wait while the printer calibrates, and then try copying again.
Check the paper settings
Follow these steps if copied pages have smears, fuzzy or dark print, curled paper, or areas where pigment has
dropped out.
Check the paper selection options
1.
From the Home screen on the printer control panel, select
Copy
.
2.
Select
Options
, and then scroll to and select
Paper Selection
.
3.
Select
Paper size
, and then select one of the predefined options.
4.
Select
Paper type
, and then select one of the predefined options.
5.
Select
Paper tray
, and then select one of the predefined options.
6.
Select
Done
to save the paper selection options.
Check the image-adjustment settings
Adjust these additional settings to improve copy quality:
Sharpness
: Clarify or soften the image. For example, increasing the sharpness could make text appear
crisper, but decreasing it could make photos appear smoother.
Darkness
: Increase or decrease the amount of white and black used in colors in scanned images.
Contrast
: Increase or decrease the difference between the lightest and the darkest color on the page.
Background Cleanup
: Remove faint colors from the background of scanned images. For example, if the
original document is printed on colored paper, use this feature to lighten the background without affecting
the darkness of the image.
Automatic Tone
: Available for Flow printers only. The printer automatically adjusts the
Darkness
,
Contrast
,
and
Background Cleanup
settings to the most appropriate for the scanned document.
1.
From the Home screen on the printer control panel, select
Copy
.
2.
Select
Options
, and then scroll to and select
Image Adjustment
.
3.
Adjust the sliders to set the levels, and select
Done
.
4.
Select
Copy
to start the copy job.
NOTE:
These settings are temporary. After you have finished the job, the printer returns to the default settings.
218
Chapter 9
Solve problems
ENWW