Initial print-quality troubleshooting actions
For the vast majority of print-quality problems, a Call Agent should request that the customer performs the
troubleshooting actions in the user’s guide, in the chapter ‘Troubleshoot print-quality issues’. Most problems
can be resolved using these procedures without the need for an on-site visit.
RIP and front panel settings
It should be noted that this section describes the troubleshooting procedures for use with the printer’s
internal diagnostic plot. It does not describe the various settings in the printer’s RIP or front panel that can
cause changes in the print quality achieved by the printer. Before proceeding with the following
troubleshooting sections, check that none of the settings in the front panel or RIP regarding vertical
correction, XY correction, or bow correction have been set at extreme levels, which the troubleshooting here
would not be able to correct.
How to use the print-quality plots
The printer contains a series of basic print-quality tests that help you to diagnose print-quality defects. There
is an option to print all four diagnostic prints at once or print them individually
The four print-quality plots test the printer in different ways, but can be split into the following sections:
●
Printhead alignment: The purpose of this test is to test the accuracy of the current printhead
alignment.
●
Printheads health: This test is designed to check that the printhead nozzles print correctly.
●
Optimizer check: This test is designed to check whether a particular print-quality problem is related to
the optimizer nozzle health or not. Because the latex optimizer is a transparent fluid, and the printhead
health plot may show poor visibility on some substrates; as the case of the optimizer, a special plot is
needed.
●
Substrate advance: This test enables you to visually check whether there are any substrate-advance
issues with the printer.
There are two different options available to print all the diagnostics at the same time: from the Settings
menu > Image quality maintenance > Print all test plots option; or through the service menu List > Image
Quality Plots > 2.1 print all plots. There are no differences between the two options
Considerations for printing the diagnostic print
Use the same type of substrate that the customer was using when the print-quality problem appeared.
ENWW Initial print-quality troubleshooting actions 189
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