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

support.

Lines appear stepped or jagged

If lines in your image appear stepped or jagged when printed:

1. The problem may be inherent in the image. Try to improve the image with the application you are using

to edit it.

2. Check that you are using appropriate print-quality settings. See Printing on page 50.

3. Select the custom print-quality options in the driver dialog, and turn on the Maximum detail option (if

available).

Lines print double or in the wrong colors

This problem can have various visible symptoms:

●

Colored lines are printed double, in dierent colors.

●

The borders of colored blocks are wrongly colored.

To correct this kind of problem:

1. Reseat the printheads by removing them and then reinserting them. See Remove a printhead

on page 105 and Insert a printhead on page 108.

2. Align the printheads. See Align the printheads on page 153.

Lines are discontinuous

If your lines are broken in the following way:

144 Chapter 17 Troubleshooting print-quality issues ENWW

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HP DesignJet Z5600 Specifications

General

Print Technology	Thermal Inkjet
Number of Print Cartridges	6 (cyan, magenta, yellow, matte black, photo black, chromatic red)
Print Resolution	Up to 2400 x 1200 optimized dpi
Hard Disk	500 GB
Maximum Print Length	300 ft (91.4 m)
Connectivity	Gigabit Ethernet (1000Base-T)
Print Languages	HP-GL/2, HP-RTL
Media Sizes Supported	8.3 to 44-in wide rolls; 8.3 to 44-in wide sheets