Temperature adjustment time of media before printing
When media are moved from the storage room to the print room which has a different
temperature and relative humidity, the media must acclimate during a certain period. During this
acclimation period, keep the reams closed until you are ready to load the paper trays.
Acclimation period
The table below helps you to determine the acclimation period of stacked, closed cartons with
media. The indicated times refer to the situation where you are transporting a set of cartons using
a pallet. When you transfer the cartons or reams one by one you can decrease the adjustment
time.
Carton
10
o
F 15
o
F 20
o
F 25
o
F 30
o
F 40
o
F 50
o
F
5.5
o
C 8.5
o
C 11
o
C 13
o
C 17
o
C 22
o
C 28
o
C
1 4 hours 8 hours 11 hours 14 hours 17 hours 24 hours 34 hours
5 5 hours 9 hours 12 hours 15 hours 18 hours 25 hours 35 hours
10 8 hours 14 hours 18 hours 22 hours 27 hours 38 hours 51 hours
20 11 hours 16 hours 23 hours 28 hours 35 hours 48 hours 67 hours
40 14 hours 19 hours 26 hours 32 hours 38 hours 54 hours 75 hours
Example
A pallet with 40 cartons, containing 200 reams in total, is ordered.
The transport takes place by truck without any heating. Temperature is minus 10
o
C. Pallet will be
stored directly in the print room which has a temperature of 18
o
C. Following the table, the pallet
must remain in the print room for 75 hours before the media can be used.
To reduce the acclimation time, cartons can be stored individually. For one carton with five
reams, the acclimation time is reduced to 34 hours.
Temperature adjustment time of media before printing
432
Chapter 15 - References
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