HP Latex 3000 Printer - Manual (Page 252)

8. Reinsert both filters. There is only one way to insert them that works. If you feel resistance, try to insert
the filter the other way round.
9. Close the lids.
10. Close the latches.
11. Close the service position window.
Wipe the top of the protector
The protector should be kept clean for optimal performance and reliability.
1. Ensure that the printer is not printing.
2. Unload the substrate.
3. Open the front door.
246 Chapter 8 Hardware maintenance ENWW