The Service Image Quality Diagnostic Print The Service Image Quality Diagnostic Print What is the Service Image Quality Diagnostic Print? The Printer contains an internal Image Quality Test which helps you to diagnose the possible source of any image quality defects. The Service IQ Diagnostic Print is available in the following options: 1 Image Quality Service Best Plot . This plot helps you to diagnose in more detail the possible source of any image quality defects. It is accessible through the Service Utility Menu. The Image Quality Service Best Plot uses the Best Print Mode and is divided in to three parts as follows: „ Diagnostic Part 1: Printhead Reliability Test.
The purpose of this test is to identify which Printhead is faulty. „ Diagnostic Part 2: Printhead Alignment Test. This test is designed to check any color-to-color and bi-directional misalignment the printer may have. „ Diagnostic Part 3: Printheads and Paper Advance test. This test is designed to check whether the Printheads and the Media Advance Mechanism are working correctly. 2 Image Quality Service Normal Plot . This plot is the same as the Image Quality Service Best Plot but uses the Normal Print Mode. 3 Advanced Diagnostic Plot . These tests provide more information of the IQ defects that we could find in the Image Quality Service plot.
For more information, refer to page 1-29, The Advanced Diagnostic Prints . Designjet Z Series — Service Manual 1-21