Printronix ProLine 5 Series Manual page 22

Remove the Shipping Restraints from the Power Stacker
This section only applies to printers with the power stacker installed.
Special packaging protects the power stacker mechanisms from damage during
shipment. This section describes how to remove the shipping restraints before
you operate the printer.
Save the packaging materials, since you may need to reinstall them.
If it is necessary to move the printer, reinstall the shipping restraints. Reverse the
steps in this section.
CAUTION To avoid shipping damage, reinstall the shipping restraints
whenever you move or ship the printer.
Setting Up the Printer 2–11