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Xerox Nuvera
CAUTION
•
Never print on sheets that were printed with rubber-based inks or cured with a drying
agent (starch, talc, or rosin powders). Machine contamination will result, causing
background spotting, streaking, deposits in the fuser and/or spots on the photoreceptor.
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If you wish to use a preprinted paper that has not been tested by Xerox, check with your
Xerox representative first. Some preprinted papers can cause system damage.
Preprinted Paper
Note
When printing over offset inks, image permanence may be compromised.
Description
Any previously printed paper that will be printed on again. Examples of preprinted
papers are forms, mailers and catalogs that will be personalized with customer
names and addresses.
Selection tips
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Select papers printed with laser-compatible, lithographic inks to minimize
offsetting. UV-cured inks are recommended, especially on coated stocks, to
insure complete drying before printing on a Xerox Nuvera. Laser inks can be
oxidative, or heat set types.
•
Do not use papers preprinted with xerographic processes.
•
Design the preprinted image so that no ink, varnish, or aqueous coating is
placed in the area to be printed on by a Xerox Nuvera. Toner adhesion can not
be assured when printing over inks or varnish. If the Xerox Nuvera image must
be printed over pre-printed ink, results are more likely to be acceptable if the
color is screened back to less than 30% or the base stock is uncoated paper.
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Select preprinted sheets that are free of excessive curl.
•
Select uncoated and coated papers that are laser compatible or that appear in
the Media Compatibility Guide.
•
Select preprinted materials that are able to withstand:
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Avoid cold set inks to prevent excessive offsetting.
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Avoid conductive inks containing carbon blacks or metal powders.
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Test a small quantity of a preprinted paper before ordering a large quantity.
However, if the guidelines provided here are not followed, results may be
inconsistent.
Storage tips
Protect preprinted sheets from moisture to prevent image quality defects and
feeding problems.
Usage tips
•
Load preprinted letterhead stock with the letterhead facing up and against the
inboard (back) edge. The correct orientation is shown on the paper loading label
inside the feeder tray.
•
If preprinted sheets are trimmed prior to being imaged on the Xerox Nuvera,
vacuum or brush the edges to remove debris in addition to fanning the sheets.
•
To avoid registration problems due to non-uniform sheet cut, use the same sheet
orientation (outboard and lead edge) on the Xerox Nuvera that was used on the
offset press.
•
Preprinted sheets must be run uncollated. All sheets in a single paper tray must
contain the same preprinted image.
Paper Guide
Fuser temperatures of up to 437F (225 C) at 100 pounds per square inch
for 29 milliseconds.
Exposure to fuser fluid.
Sheets will not hold sufficient electrical charge for proper dry ink transfer.
Paper handling problems may occur with conductive inks.
Tips by stock type
3-9
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