HP Designjet T790 HP Designjet T790 and T1300 ePrinter - Image Quality Trouble - Page 8

Print-quality issues, If you still have a problem

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● If you still have a problem Print-quality issues 4 Chapter 2 Troubleshooting print-quality issues ENWW

Section	Page
Introduction	5
Most-common issues resolution	5
Troubleshooting print-quality issues	7
General advice	9
Horizontal lines across the image (banding)	9
Lines are too thick, too thin or missing	10
Lines appear stepped or jagged	10
Lines print double or in the wrong colors	11
Lines are discontinuous	12
Lines are blurred	12
Line lengths are inaccurate	13
The whole image is blurry or grainy	13
The paper is not flat	14
The print is scuffed or scratched	14
Ink marks on the paper	15
Horizontal smears on the front of coated paper	15
Ink marks on the back of the paper	16
Black ink comes off when you touch the print	16
Edges of objects are stepped or not sharp	16
Edges of objects are darker than expected	16
Horizontal lines at the end of a cut sheet print	16
Vertical lines of different colors	17
White spots on the print	17
Colors are inaccurate	17
Color accuracy using EPS or PDF images in page layout applications	18
Colors are fading	18
The image is incomplete (clipped at the bottom)	18
The image is clipped	19
Some objects are missing from the printed image	20
A PDF file is clipped or objects are missing	20
The Image Diagnostics Print	20
Corrective action	22
If you still have a problem	23

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●

If you still have a problem

Chapter 2

Troubleshooting print-quality issues

ENWW

Print-quality issues