HP LaserJet Pro 4001dw Monochrome Wireless Printer - Manual (Page 81)

f. Position the pickup roller with the pins in the provided slots on the holder, and then rotate the
top of the roller up and toward the printer.
Figure 6-11 Install the roller
g. Continue to rotate the top of the roller toward the printer (callout 1), until two tabs (callout 2)
snap into place.
Figure 6-12 Engage two tabs
h. Close the toner-cartridge door.
6. Perform a test page from tray 1 to see if issue is resolved.
7. If the error persists, contact your HP-authorized service or support provider, or contact customer
support at
www.hp.com/go/contactHP .
72 Chapter 6 Solve problems