jobs set for low-quality and high-speed. It will not occur when the custom print quality setting is set to “best.” Print Quality • To eliminate aeroworms, select a higher IQ print setting. See Selecting Print Quality in the User’s Guide. CAD Lines look misaligned, images are blurred This issue can be seen even after the customer has performed the Printhead Alignment procedure. The misalignment is most highlighted in CAD drawings, there are double-lines and images are ‘ghosted’. See the two examples below. Here the CAD drawing has the issue, the CAD lines are misaligned and the image looks blurred/grainy Here the CAD drawing does not have the issue and the drawing looks ok.
This issue can be solved by upgrading the firmware to the latest version. Some media might deform when printing high area fill This issue is known as PEPA: Paper Expansion Paper Advance. The quality of some images might be reduced if you use a paper type that is unsuitable for your image. This is especially important to consider when printing on fiber-based papers such as HP Universal Coated Paper, HP Coated Paper, HP Heavyweight Coated Paper and HP Universal Heavyweight Coated Paper. Printing images that contain high-saturation area fills on fiber-based papers can create unwanted wavy patterns as a result of paper expansion. This can ultimately contribute to more severe problems.
Consider using Super Heavyweight Coated Paper and other cockle-free papers when printing high-saturation area fills Finally, as this paper expansion is increasing when a high quantity of ink is placed at once, the HP Designjet Z6100 might exhibit this paper expansion more than when compared to the DJ5x00 or DJ10x0 series. Printheads fail repeatedly If you encounter intermittent quality issues that are not solved after replacing Printheads or repeated replacement of the same Printheads there might be a capping problem. This could be caused damage to the Maintenance Cartridge or even the actual Carriage Assembly which is preventing the Printheads from being correctly capped.
The Maintenance Cartridge provides the capping for all eight Printheads and contains integrated Printhead caps, wipers, cleaners, and waste ink disposal. The following illustration shows a the components that make up the Maintenance Cartridge. Image quality issues by symptom 211