06/2014
3-21
WC 5022/5024
IDS12 Light Background Due to Background Suppres-
Image Quality Troubleshooting
Version 1.0
IDS12 Light Background Due to Background Suppression
in Copies of Documents With Frames
For documents with dark frames along the Lead Registration Edge, the suppression value is
set so large such that areas of medium density appear extremely light.
Figure 1 Light Background Due to Background Suppression in Copies of Documents
With Frames Defect Sample (j0lj3229)
Cause
Background Suppression performs background detection of images at a distance of up to 10
mm from the Lead Registration Edge. As there were dark frames along the Lead Registration
Edge, it could not detect the original background density, which resulted in the Background
Suppression being performed based on the density of the frames.
Action
1. Use KO to change the Background Suppression of Copy Settings to OFF.
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