06/2014
3-22
WC 5022/5024
IDS13 Background Smear When Using Platen Copy With
Version 1.0
Image Quality Troubleshooting
IDS13 Background Smear When Using Platen Copy With
Non-Standard Documents
When the document size is non-standard and the specified scan size is larger than the docu-
ment size, smear might be generated depending on the background density of the document.
Cause
For cases where the document size is smaller than the scan size, the density of the back of the
platen is detected as the background density of the document as the actual scan area includes
the back of the platen.
Action
• This can be improved by performing density adjustment.
IDS14 Fluctuation In Background Suppression Values for
Copies of Documents With Medium Density
When Automatic Exposure is enabled for documents with medium density background (0.5G),
the effectiveness fluctuates for each job.
Cause
As medium density (0.5G) is near the upper limit value for background detection, the Back-
ground Suppression value fluctuates according to the result of background detection that var-
ies according to the variations in the density of the document and how the document is placed.
Action
1. Use KO to change the Background Suppression of Copy Settings to OFF.
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General
Weight and Dimensions
