HP Designjet T3500 Production eMFP - Manual (Page 231)

If your scanned pattern looks like the incorrect one on the right, whether the clipping is in dark and/or
light areas, call HP support and report “Clipping in dark/light areas”.
Flare in the image when scanning glossy originals
If the scanner is miscalibrated, or if the original plot you are trying to scan is very glossy or reflective, you can
sometimes find flare in the scanned image, as in the following example: original on the left, scanned image
on the right.
Image © www.convincingblack.com, reproduced with permission.
Actions
1. Clean the original and the scanner’s glass plate, then scan again.
2. If the problem persists, recalibrate the scanner as indicated in Scanner maintenance on page 162 . Make
sure you clean the maintenance sheet before calibrating the scanner, and check that the maintenance
sheet is not damaged (if so, call HP support and ask for a new maintenance sheet). Re-scan your
original after the calibration is completed.
3. If the problem persists, see Clipping in dark or light areas on page 220 .
Vertical red and green bands over white or black background
If the scanner has not been calibrated for a long period of time, or if the last calibration failed, you can
sometimes see defects like the following. Please note the black arrow indicating the scanning direction in this
example: original on the left, scanned image on the right.
ENWW Flare in the image when scanning glossy originals 221