HP PageWide Enterprise Color 556

5. Before proceeding, at the back of the printer, look at the alignment of the ISA and printer base to verify
that the ISA is fully seated. The edge of the ISA should be in line with the side of the printer base.
Figure 1-531 Check the ISA and printer base alignment
6. Position the scanner base cover on the printer.
Figure 1-532 Install the scanner base cover
ENWW Removal and replacement procedures 329