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Accuracy Calibration
The Accuracy Calibration should ONLY be performed at the Repair Center when required.
The Accuracy Calibration needs to be performed whenever:
» Banding is detected in printed images.
» The Feed Roller Assembly is disassembled or replaced. » The Paper-Axis Motor Drive Assembly is disassembled or replaced. » The Encoder Disc is removed or replaced. Make sure that you use hp Proofing Gloss in order to perform the Accuracy Calibration.
Perform the Accuracy Calibration as follows:
1. Load an A3/B-size sheet of hp Proofing Gloss in to the input tray.
2. To manually print the Accuracy Calibration, hold the power button down and press the cancel button once and the resume button once.  3. Once the Accuracy Calibration has been printed, rotate the page and reload it upside down (image facing down).
4. To scan the Accuracy Calibration, hold the power button down and press the cancel button once and the resume button four times.  
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