KB156862536: FlexProof - White ink is not printed on the WT7900

Summary

In some cases the white ink is not printed anymore after upgrading to Suite 14 assembly 2.
This article describes how to enable again the white ink on the WT7900.

Symptoms

The white separation (objects) of a job is not printed anymore for no reason.

Workaround

Method 1:

1. Open the Proof Client.
2. Select the workflow which is connected with the Epson WT7900 device.
3. Select the Workflow tab from the Property Inspector at the right.
4. Disable the Preview option.
5. Save the workflow.

Method 2:

Use the Adobe PDF Print Engine:

1. Open the Proof Client.
2. Select the workflow which is connected with the Epson WT7900 device.
3. Select the File tab from the Property Inspector at the right.
4. Go to the PS/EPS/PDF section and select Adobe PDF Print Engine from the PDF Print Engine drop-down list.