HP LaserJet M2727 Multifunction Printer series - Manual (Page 227)

User-replaceable parts
Product name Description Part number
Separation pad and pickup rollers Replace when the product is picking up
multiple sheets or no sheets. Trying
different paper did not resolve the
problem. Contact HP Customer Care to order
parts.
Automatic document feeder (ADF) Replace when the ADF is damaged or
not working correctly. Contact HP Customer Care to order
parts.
ENWW User-replaceable parts 215