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Fix Too Much White Ink Showing By Setting The White Underbase Choke From The RIP

Written out step by step, with the video alongside.

  • 6 steps
  • 27 instructions
  • 1 video
  • Updated 2026-04-20
Written steps6

Overview of White Choking

00:00:07

  1. Use white choking to prevent white ink from peeking out from under the printed design.
  2. Understand that white peeking can occur due to mechanical misalignment or white ink bleeding or spreading.
  3. Apply choking to shrink the white underbase during RIP processing.

Adjusting White Choke for a Single Job

00:00:36

What you need

  • Recommended choke value for color substrates: 2 to 3 pixels
  • Recommended choke value for black substrates: up to 5 pixels
  • Values greater than 5 pixels may cause visible strokes or artifacts
  1. Select the job in the queue.
  2. Click Color Adjust in the bottom right.
  3. In the Easy Color Adjustments dialog, select the correct layer from the layer drop-down list at the top right.
  4. In the Underbase section, locate the Choke setting.
  5. Select a choke value to shrink the white underbase.

Troubleshooting Excessive White Peeking

00:01:06

  1. Avoid using choke values greater than 5 pixels.
  2. If higher choke values are required, inspect the printer for mechanical issues.
  3. Check printhead alignment and related mechanical calibration.

Using the Set White Choke Wizard

00:01:06

  1. Open the Q menu.
  2. Select Set White Choke.
  3. Print choke variation charts.
  4. Review printed samples to determine the optimal choke value.
  5. Apply the selected choke value to the print mode for future jobs.

Setting a Default White Choke in a Print Mode

00:01:37

  1. Open the Devices menu.
  2. Select Manage Print Modes.
  3. In the Print Mode Manager dialog, select the print mode to edit.
  4. Double-click the print mode or click the Edit icon.
  5. Select the layer to adjust.
  6. Click the Processing Options tab.
  7. Locate the Choke option labeled Prime stop white Prime peeking out.
  8. Select the desired choke value from the drop-down list.
  9. Save the print mode changes.

Applying Print Mode Changes

00:02:10

What you need

  • Choke is a print mode feature
  • Changing choke in the queue is temporary
  • Switching print modes will remove queue-level choke changes
  1. Reselect the modified print mode in the queue.
  2. Confirm that the new choke setting is applied.

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