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ENWW 8 Selecting and using media 195
Storing media
Follow these guidelines when stacking and storing print media:
● Keep media in its packaging, unopened, until it is to be used.
● Do not store cartons or reams directly on the floor. Place cartons on a pallet or on
shelves.
● Do not store individual reams in a manner that will result in curling or warping.
● Rewrap partially used packages of media before storing them.
● Do not place anything on top of the media, regardless of whether the paper is
packaged or unpackaged.
● Store envelopes in a protective box to avoid damaging the envelope edges.
● Keep stored media away from extremes in temperature and humidity.
● Do not stack more than six cartons on top of each other.
● Stack each carton squarely on top of the one underneath.
● Stack each carton upright.
● Do not store printed documents in vinyl folders (which can contain plasticizers) and do
not expose the documents to petroleum-based solvents.
Environmental considerations
For best performance, store and use media at 20°C to 24°C (68°F to 75°F), with a relative
humidity of 45% to 55%. When media is used in an environment outside those
temperature and humidity ranges, follow these guidelines:
● Keep media in its packaging, unopened, until it is to be used. If media will not be used
for a significant length of time, replace it in its packaging. If media is left unwrapped or
in the MFP input tray, extreme changes in the environment will cause the media to
assume unwanted characteristics.
● In the case of extreme humidity, keep paper and envelopes tightly wrapped in plastic.
If a significant temperature difference occurs between the media storage area and the
MFP’s operating environment, allow the media time to adjust to the temperature in the
MFP’s operating environment before unwrapping it. The greater the temperature
difference and the larger the amount of media to acclimate, the longer this time period
should be. Allow one day for every 10°C (20°F) difference in temperature between the
storage environment and the printing environment.