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4
Paper curl correction
Paper curl overview
This option allows you to select the desired paper curl setting in order to prevent your
output from curling. This section provides an overview of paper curl, what causes it and
why adjustments may be required in order to obtain optimum print output.
When paper is exposed to heat, the paper looses moisture and curls toward the heat
source. High dry ink/toner coverage jobs tend to curl more due to the dryink/toner
plastification effect on the paper surface. The system tries to reduce this by using
mechanical devices within the paper path called decurlers.
Paper curl is caused by many variables, including:
• The weight of the paper and whether it is coated or uncoated.
• The amount of dry ink/toner and the area being covered on a sheet; the heavier the
coverage, the greater the tendency to curl.
• How the paper is loaded in the tray. Make sure you load the paper as instructed on
the ream wrapper.
• The atmospheric conditions of the room where the paper is stored, especially those
related to humidity and temperature.
• The heat generated during the fusing processes.
Your system is designed with an automated setting to control curl. When using the
system Default, the machine automatically sends paper through the proper decurler.
The system Default automatically determines the amount of pressure needed at the
different decurlers in order to reduce the output curl of the paper.
With some print jobs, the output prints still may be curled more than you desire even
after using the system default. In those cases, use the Paper Curl Correction option to
compensate for paper curl in your prints. Paper Curl Correction settings are based on
the job type and image density ratio. These settings are manually entered through the
Advanced Stock Setup feature, and you must be logged in as the Administrator.
Note
It is important to remember that a successful paper curl correction setting used today
may not be the same setting that you would use on another day. This is especially
relevant if the room in which machine is located experiences changes in temperature
and humidity.
4-1
Xerox
®
Color 800/1000 Press
System Administration Guide
Содержание Color 1000 Press
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