HP LaserJet 3380 All-In-One Printer
Paper Pickup Assembly (1 of 2) Diagram

M3 screw -RB9-0820 M4 screw - RB9-0819 Gear/clutch assembly kit - RY7-5081 Torsion spring - RA0-1200 Torsion spring - RA0-1035 Grounding plate - RA0-1072 Paper feed roller assembly - RM1-0839 Paper sensor board - RM1-0851 Paper pickup shaft assembly - RM1-0533 M4 screw - XA9-1421 Paper pickup assembly - RM1-0838
REF PART NUMBER DESCRIPTION
1 XA9-1421 M4x14 screw - (S4) Used in the paper pickup assembly and the fusing assembly (typically to secure plastic to plastic parts)
2 RM1-0838 Paper pickup assembly - Includes the pickup roller, paper feed roller assembly, separation pad, plastic housing and other associated parts - Mounts in the bottom rear of the printer
3 RM1-0533 Paper pickup shaft assembly - Includes the shaft, the two cams, pickup roller holder, and end cap - Mounts in the paper pickup assembly
4 RM1-0851 Paper sensor board - Small board with optical flag sensor (flag not included) - For sensing leading edge of paper - Mounts on the paper feed assembly in the paper pickup assembly
5 RM1-0839 Paper feed roller assembly - Includes feed roller, feed roller base assembly, retainer bushings, paper input leading edge sensor, sensor flag and spring - Mounts on the bottom of the paper pickup assembly
6 RA0-1072 Grounding Plate - L-shaped, spring steel - Mounts on the left end of the paper pickup assembly
7 RA0-1035 Torsion spring - Provides high voltage connection to the toner cartridge (developing cylinder) - Mounts between the paper pickup roller and the transfer roller on the left side of the paper pickup assembly
8 RA0-1200 Torsion spring - Provides high voltage connection to the toner cartridge (primary charging roller) - Mounts behind the transfer roller on the left side of the paper pickup assembly
9 RY7-5081 Gear/clutch assembly kit - Includes double-gear body, shaft attachment piece and spring - For driving the paper feed roller
For more information about the parts listed above go to  www.PrinterSupplies.com