Service Menu 217
Tests, Utilities & Calibrations
3. The Printer will start to calibrate the Drop Detector. Once the Drop Detector has been calibrated, the
results will be displayed on the Front Panel. Press any key on the Front Panel to finish the calibration.
4. Once the calibration is completed, OK will be displayed on the Front Panel.
5.6 Carriage Menu
5.6.1 Line Sensor Calibration
Description
The purpose of this service calibration is to calibrate the intensity of the line sensor in the Carriage PCA.
An incorrect calibration can result in edge-detection failures during media loading and incorrect reading
of prints that are used for alignment or calibration.
Perform the Line Sensor Calibration whenever:
• Edge detect procedure fails during media loading.
• Carriage is disassembled or replaced.
• Line Sensor is disassembled or replaced.
• Banding is detected in prints.
• Misalignment between colors is detected.
Procedure
1. Go to Service Menu >5. Service Calibration Menu>5.6 Carriage Menu>5.6.1 Line Sensor Calibra-
tion.
NOTE: Make sure you load one of the following media into the Printer before performing this
calibration. If none of them are available use the service part Q1273-60296:
• HP Bond Paper.
• HP Glossy Media.
• HP Coated Paper.
• HP Productivity Photo Gloss.
• HP Heavyweight Coated Paper.
• HP Super Heavyweight Coated Paper.
• HP Bright White Inkjet Paper.
NOTE: Disabling the Heaters ‘1.8.2’ will significantly speed up this procedure
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