User's Manual

Table Of Contents
These options are suggested for troubleshooting purposes and may adversely aect the nal output quality or
the time necessary to generate the print job. Therefore, they should be canceled if they do not help to solve the
problem.
Lines are too thick, too thin or missing
1. Check that the paper type you have loaded corresponds to the paper type selected in the front panel and in
your software. See View information about the paper on page 35.
2. If the resolution of your image is greater than the printing resolution, you may notice a loss of line quality. If
you are using the PCL3GUI driver for Windows, you can nd the Max. application resolution option in the
driver dialog's Advanced tab, under Document options > Printer features. If you change this option, you may
wish to reprint your job at this point in case the problem has been solved.
3. If lines are too thin or missing, print the Image Diagnostics Print. See Image Diagnostics Print on page 175.
4.
If the problem remains, go to the front panel and tap , then , then Printhead alignment to align
the printheads. See Align the printheads on page 183. After alignment, you may wish to reprint your job in
case the problem has been solved.
5.
Go to the front panel and tap , then , then perform paper advance calibration: see Recalibrate
the paper advance on page 160.
6. Check that you are using appropriate print-quality settings for your purposes (see Printing on page 59).
Select the custom print-quality options in the driver dialog, and try turning on the Maximum detail option (if
available). You may wish to reprint your job at this point in case the problem has been solved.
If the problem persists despite all the above actions, contact HP Support: see Contact HP Support on page 193.
Lines appear stepped or jagged
If lines in your image appear stepped or jagged when printed:
172 Chapter 15 Troubleshooting print-quality issues ENWW