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HP Designjet 4500 Scanner - Scanner Calibration and Maintenance

Calibrating the scanner
The scanner should be recalibrated once a month to maintain the best scan quality.
Follow the steps below to calibrate the scanner:
  1. Before calibrating, read the scanner's online guide on how to clean the scan area. Then turn Off the scanner and clean the scan area. Calibration will not work well if the scan area is not clean.
  2. When finished cleaning the scan area, turn On the scanner and leave it On for at least an hour before proceeding to the next step.
  3. Press the Options button in the Setup tab.
    Figure : Options box
  4. Press Scanning button in the Options box.
    Figure : Scan Options box
  5. Press Scanner Maintenance button in the Scan Options box.
  6. The Maintenance Wizard guides step by step through the procedures of camera alignment, stitching, and calibration. Maintenance Sheet that came with the scanner is required.
Cleaning the glass
  1. Turn the scanner power Off and disconnect the scanner power cable.
  2. Push down two lever buttons found near the insertion slot on each side of the scanning area lid. The scanning area lid locking mechanism should now be disengaged.
  3. As both lever buttons are held down, place free fingers in the insertion slot and flip the scanning area lid open. The scanning area is now exposed for cleaning.
  4. Gently wipe the glass plate with a lint-free cloth dampened with a mild, streak-free, glass cleaner.
      note:
    Glass should be cleaned on both sides. To do this, with the Guide Plate open, you can tilt the glass back or remove it from the scanner. It should not have any fingerprints, residue, streaks, particles or dust on it when it is properly cleaned.
      caution:
    Do not use abrasives, acetone, benzene, or fluids that contain these chemicals. Do not spray liquids directly onto the scanner's glass plate or anywhere else in the scanner.
    The life-span of the glass plate depends on the paper types that pass across it. Abrasive papers such as mylar may cause premature deterioration, in which case the replacement of the plate is the customer's responsibility.
  5. Dry the glass completely using a separate clean, dry lint-free cloth like the one provided with the maintenance kit.

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