Canon S400 Reference Manual page 67

Handling the BJ Cartridges...
• To avoid personal injury or damage to the print heads, never touch the
Caution
print heads of a BJ Cartridge. The print heads become very hot during
printing and can cause a minor burn. Touching a print head could
damage it and make further printing impossible.
• To avoid ink spills and stains on your clothing or the surrounding area, do
not drop or shake BJ Cartridges or ink tanks.
Notes on Handling BJ Cartridges
Using the BJ Cartridges 67