Lexmark MX721 User Manual page 287

Upgrading and migrating
3
Unpack the tray, and then remove all packing material.
Note: If optional trays are already installed, then unlock them from the printer before lifting the printer. Do
not try to lift the printer and trays at the same time.
4
Install the tray on the caster base.
Note: Make sure that the caster base wheels are locked.
CAUTION—POTENTIAL INJURY: If the tray weight is greater than 20 kg (44 lb), then it may require
two or more people to lift it safely.
5
Align the printer with the tray, and then lower the printer until it clicks into place.
CAUTION—POTENTIAL INJURY: If the printer weight is greater than 20 kg (44 lb), then it may
require two or more people to lift it safely.
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