HP LaserJet Printers - Print Media Guide

Table 2-1 Paper properties and specications (continued)
Property Specications
Packaging Moisture-proof ream wrap with no exposed adhesive. Adhesive
should remain rmly attached to packaging after opening.
Ash content Ash content should be less than 20% when determined by
combustion process at 525°C for uncoated media.
ENWW Using print media 13