Paper Path; Paper Curl - Xerox 700 Digital Color Press User Manual

Addendum

Paper path

As media enters the Interface Module, it is fed to the
Decurler for curl correction. The Decurler has both upper
and lower decurl rolls that apply pressure to the media
based upon the following:
• System default
• Decurl selections made in tools-mode on the User
Interface
• Manual selections made at the Decurler Control
Panel
Based on the decurl settings, the Decurler Gate routes the
paper either to the up-curl (Upward/Cupped) path or to
the down-curl (Downward/Bridged) path. Pressure then is
applied to the paper to remove any upward or downward
curl. The paper is then moved from the decurler to the
connected finishing device.

Paper curl

When paper is exposed to heat, the paper loses moisture and curls toward the heat source. High coverage jobs tend to
curl more due to the toner plastification effect on the paper surface. The system tries attempts to reduce this by using
a mechanical decurling device, located within the Interface Module.
Some factors affecting paper curl are:
• The weight of the paper and/or whether it is coated or uncoated.
• The amount of dry ink/toner and the area being coverage per sheet.
• How the paper is loaded in the tray.
• The atmospheric conditions of the paper storage room and at the printer location.
10-2
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From the machine
Decurler
Xerox 700 Digital Color Press
To the
finishing
device
User Guide