HP LaserJet Managed MFP E72525, E72530, E72535, E77822, E77825, E77830 - On-Site Installation Guide

3. Insert the laser scanner assembly window cleaning tool into each color entrance.
Slowly remove and reinsert the cleaning tool.
Figure 7-5 Laser scanner assembly color entrances
4. Repeat the previous step at least ve times for each laser scanner assembly window.
Cleaning the ADF white bar and contact image sensor (CIS) (HP Color LaserJet MFP
E77822, E77825, E77830)
1. Open the ADF unit, and peel back the white backing.
CAUTION: Do not bend or fold the white foam backing generating a crease in the white foam backing.
66 Chapter 7 On-site nal setup ENWW