Line Sensor calibration
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 paper loading and incorrect reading of prints
that are used for alignment or calibration.
Perform Line Sensor Calibration whenever:
●
The edge-detect procedure fails during paper loading.
●
The Carriage is disassembled or replaced.
●
The Line Sensor is disassembled or replaced.
●
Banding is detected in prints.
●
Misalignment between colors is detected.
Perform the Line Sensor Calibration as follows:
1. Load the printer with glossy paper at least 36 inches wide, if feasible. If you have difficulty in loading
the paper (which can happen if the Line Sensor is miscalibrated), continue with no paper loaded.
2. In the Service Calibrations submenu, select Line Sensor calibration and press OK.
3. When the following message appears on the front panel, press OK to continue the calibration, or press
Cancel to exit.
120 Chapter 6 Service calibrations ENWW
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