HP Designjet T790 HP Designjet T790 and T1300 ePrinter - Image Quality Trouble - Page 5

Introduction 1 Introduction This guide contains a list of the most common print-quality errors that may arise when using your HP Designjet. You are recommended to read it if you find any defects or unsatisfactory results after using your printer. The guide will help you to correct most errors yourself. Failing that, it will help you to provide useful information to HP support, so that the error can be corrected as quickly as possible. Sometimes you may assume that an image artifact or undesired effect represents a problem with your printer, but in fact it may be caused by an incorrect selection of the print settings or by a fundamental technological limitation of this kind of printer. This guide may help you to recognize these situations, so that you can avoid wasting time on them. Most-common issues resolution The Print Quality Troubleshooting Wizard can help with the kinds of problems most commonly experienced with the printer. The following specific problems are covered: ● Horizontal lines across the image (banding) ● The whole image is blurry or grainy ● Lines are too thick, too thin or missing ● Colors are inaccurate ENWW Most-common issues resolution 1