| RC1-0371-000CN | 23 Gear - Gear that drives paper feed roller - Attaches to feed roller shaft |
| RL1-0264-000CN | Gear - Gear with attached shaft - Driven by pickup drive assembly on right front of printer |
| RM1-0002-020CN | Duplexing pendulum assembly - Gear assembly that transfers power from main motor to run duplexing capability |
| RM1-0286-000CN | Paper level sensor gear assembly |
| RM1-1091-000CN | FUSER GEAR UNIT. Gear is attached on the fuser and the swing plate unit.(for Fuser gear unit and swing plate assy. kit order (5851-2766). |
| RU5-0015-000CN | 14T/30T cluster gear |
| RU5-0040-000CN | Gear - 23 tooth gear in lower front section of pickup drive assembly |
| RU5-0045-020CN | 18 tooth gear - Located on right side of printer in the Tray 2 paper pickup assembly |
| RU5-0045-030CN | 18-tooth gear - Located on right side of printer in the tray 2 paper pickup assembly Part. |
| RU5-0050-000CN | 30 tooth gear - Black plastic gear that attaches to paper feed assembly clutch |
| RU5-0088-000CN | 18 tooth gear - Located on right side of printer in the 500 sheet tray paper pickup assembly |
| RU5-0277-000CN | Gear for swing plate Assembly HP LaserJet 4200 4300 Series 41T gear. |