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HP Customer Support - Knowledge Base

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HP Designjet 50ps Printer - Advanced Calibration Tests

Information

There are three calibration tests possible when using the HP Designjet 50ps.
  • Color Calibration
  • Printhead Alignment
  • Accuracy Calibration (Only performed by the Repair Center)

Color Calibration

The Color Calibration can only be done from the Proofing Engine Manager.
Figure : Printhead Alignment page
Color Calibration should be performed during the following instances:
  • It is recommended at least once a week.
  • When a different media type is selected or changed.
  • The environmental conditions have changed from the environmental condition when the Color Calibration was applied.
  • Printhead(s) have been replaced.
  • The drop volume of any of the printheads has changed dramatically.
If the Color Calibration fails, print the Information page (press Power and then press Continue four (4) times) and check the list of warnings under the printer status section.

Printhead Alignment

A Printhead Alignment should be performed when there is banding or poor print quality issues.
The Printhead Alignment test is performed by pressing the Power button and pressing the Continue button twice.

Accuracy Calibration (only performed by the Repair Center)

The Accuracy Calibration should only be performed at the Repair Center when required.
The Accuracy Calibrations needs to be performed ONLY when:
  • Banding is detected in the printed images and the Printhead Alignment does not resolve the problem.
  • The Feed Roller Assembly is disassembled or replaced
  • The Paper-Axis Motor Drive is disassembled or replaced
  • The Electronics module is replaced
  • The Encoder Disc is removed or replaced
    note:
    Make sure to use HP Proofing Gloss Media in order to perform the accuracy calibration.

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