Canon LBP7210Cdn Manual page 68

Pay attention to the balance.
The rear portion (A) of the printer is relatively heavy. Be careful not to become off-balance when
lifting the printer. If you do so, you may drop the printer, resulting in personal injury.
Put the printer down at the installation site.
CAUTION
Put the printer down slowly and carefully.
Be careful not to hurt your hands or fingers.
Step 2: Removing the Packing Materials of the Printer
Remove all the orange tape if it is attached to the printer when performing the following procedure.
Open the rear cover.
Open it completely.