HP Designjet Z6200 Photo Printer - Manual (Page 154)

Optimization suggested actions
This option suggests a series of recommended actions to improve print quality, based on the results of
internal checks. These actions may include reseating a printhead, changing paper to run a specific
calibration, cleaning some printer component, etc. Execute them in the proposed order.
TIP: Use this option if you want to save time by acting directly on the causes of your problem, or if
your problem persists after the automatic Optimize print quality process.
NOTE: This option can also be selected from the front panel. From the main menu, select , then
Optimization suggested actions.
Most-common issues resolution
This option is designed to help you resolve some of the most common print-quality issues that users
encounter in large-format printing:
● Dark or light horizontal lines across the image (banding)
● Graininess
● Poor line quality
● Inaccurate colors
In the first window, select the print-quality issue that you are experiencing and click Next.
A list of suggestions for corrective action appears along with help to guide you through each action.
Lines are too thick, too thin, or missing
1. Check that the paper type that you have loaded corresponds to the paper type that you selected
on the front panel and in your software.
2. Make sure that you are using the appropriate print-quality settings for your purposes. See Select
print quality on page 82 .
3. If you are using a HP-GL/2 driver and the resolution of your image is greater than the printing
resolution, you might notice a loss of line quality. You can find the Max. Application
Resolution option on the Windows driver Advanced tab, under Document Options >
Printer Features. If you change this option, reprint your job if the problem has been solved.
4. If lines are too thin or missing, print the Image Diagnostics Print. See The Image Diagnostics Print
on page 72 .
146 Chapter 13 Troubleshoot print-quality issues ENWW
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eshoot images