Lines are too thick, too thin, or missing, Lines appear stepped or jagged – HP Designjet Z3100 Photo Printer series User Manual

Page 172

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If the problem persists despite all the above actions, contact your customer service representative for further
support.

Lines are too thick, too thin, or missing

Check that the paper type you have loaded corresponds to the paper type selected in the front panel
and in your software. To check on the front panel, use the

View loaded paper

key.

Check that you are using appropriate print-quality settings for your purposes (see

Printing

on page 45

). Select the custom print-quality options in the driver dialog (Mac OS Print dialog), and

try turning on the Maximum detail option. You may wish to reprint your job at this point in case
the problem has been solved.

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 PCL or HP-GL/2 driver for Windows, you can find 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.

If lines are too thin or missing, print the Image Diagnostics Print. See

The Image Diagnostics Print

on page 172

Try aligning the printheads. See

Align the printheads on page 182

. After alignment, you may wish

to reprint your job in case the problem has been solved.

Go to the front panel and press the

View loaded paper

key to see the paper advance calibration

status. If the status is RECOMMENDED, you should perform paper advance calibration: see

Recalibrate the paper advance on page 156