
PART I: STACKER S4/S4-XL USER GUIDE 3
1. Warnings
Stacker 3D printers are industrial machines that should never be operated around children or left
unattended. Careful setup and training is required for optimal results. Read through this entire User
Guide and view online resources before attempting to operate your printer. Please note, this printed
copy of the User Guide may not be the most up to date version. We recommend downloading User
Guides from our website to confirm you have the most up to date version denoted by the last revision
date on the front cover of the User Guide.
Please read and take seriously all Warnings. Unsafe operation of a 3D printer can result in damage
to your printer and serious injury to yourself.
Burn Hazard! Do NOT touch hot surfaces!
Both the hot ends and heated bed can get HOT! To prevent burns, avoid
touching the hot surfaces of the 3D printer.
Fire Hazard!
Never place flammable materials or liquids on or near the printer. It is your
responsibility to operate your printer in a safe manner. To ensure that it is
safe, you must incorporate the use of fire and smoke alarms and proper fire
suppression technologies like fire extinguishers. Never operate the printer
unattended.
Maintain Clean Environment!
Operate printer in a clean environment. Avoid exposing printer to dirt, dust,
oil, smoke, or other environmental pollutants. The printer may not function
properly, and operational life will decrease, in an unclean environment.
Electric Shock Hazard!
The printer must be kept dry. Attempting to operate the printer in a wet
environment will damage your printer and could lead to injury. Always power
down and disconnect the power cable from your printer before servicing.
Static Charge Hazard!
Ground yourself before touching the printer. Static charge can damage your
printer's electronic components. Discharge your static before touching your
printer!
Pinch Hazard! Keep Hands and Fingers Clear.
During operation, the printer will perform quick and unpredictable
movements. To avoid injury, never place your hands, fingers or body near
any moving parts of the printer including belts, pulleys, print bed, and hot
ends. Be sure to tie back long hair and remove any clothing or jewelry which
could become caught in the moving parts of the printer.
Age Warning.
For users under the age of 18, adult supervision is recommended. Printed
parts can be a choking hazard for small children. Never operate the printer
unattended!