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HP Designjet T2500 eMultifunctional Printer Series - Calibrate the scanner

Calibrate the scanner
Your scanner has been calibrated at the factory, and theoretically CIS scanners do not need to be recalibrated during their lifetimes. Nevertheless, because of environmental changes, your scanner may start showing image defects that can be easily corrected by recalibrating the scanner. The whole procedure takes less than 10 minutes, and you are recommended to recalibrate the scanner whenever you see some undesired artifact or a lack of quality in scanned files or copies, bearing in mind the limitations of CIS technology already explained in this guide. If you perform calibration successfully and still have concerns about the image quality, please read Troubleshooting scan-quality issuesTroubleshooting scan-quality issues in order to detect whether you are facing a product limitation, and may want to consider buying a CCD scanner.
To calibrate the scanner
  1. Clean the scanner. See Clean the scanner’s glass plateClean the scanner’s glass plate.
  2. Go to the front panel and press , then , then Image Quality Maintenance > Calibrate scanner.
  3. Follow the instructions in the front panel.
The supplied maintenance sheet required to perform scanner calibration looks like this:
Figure : Scanner calibration sheet
Load the maintenance sheet into the scanner face up, centered and with as little skew as possible. Once the calibration is finished, the maintenance sheet should be carefully placed into its solid cover, and saved in a fresh and dry place. Otherwise, it could be damaged, which could affect the operation of your scanner in the future. Check that the maintenance sheet is not dirty, wrinkled, scratched or folded before calibrating the scanner. If necessary, call HP support and ask for a new maintenance sheet.
If calibration fails
  1. Ensure that the printer is turned on and ready for normal operation.
  2. Ensure that the scanner is working correctly. To test it, scan a small document to file.
  3. Ensure that the scanner is clean before calibration. If in doubt, clean the scanner and restart the calibration process.
  4. Eject and reload the calibration sheet, checking that it is clean, in good condition, face up and perfectly centered in the scanner.
  5. If the above steps do not help, eject the sheet and restart the printer (turn off and on). When the system has restarted, repeat the calibration.
  6. If you cannot perform the calibration successfully in three consecutive attempts, call HP support and report the error code that appears in the front panel.

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