Figure 11-5 Safety warnings
Prepare for cleaning
1. Ensure that you have an explosion-protected vacuum cleaner, an absorbent all-purpose cloth, and
deionized water (these things are not provided by HP).
2. If the build unit is in the printer, remove it.
3. Ensure that the printer is not printing.
4. Turn off the printer.
5. If a job has just been printed, wait about 20 minutes for the printer to cool down.
6. You are required to wear gloves and goggles.
7. Open the top cover.
152 Chapter 11 Hardware maintenance