HP Color LaserJet CM4540f MFP Enterprise Parts Catalog page 1. External covers, panels, and doors 2. Right door assembly 3. Front door assembly 4. Internal components 1 of 7 5. Internal components 2 of 7 6. Internal components 3 of 7 7. Internal components 4 of 7 8. Internal components 5 of 7 9. Internal components 6 of 7 10. Internal components 7 of 7 11. Cassettes 2-5 12. Paper pickup assembly 13. Tray 1 paper pickup assembly 14. Registration assembly 15. Secondary transfer assembly 16. Intermediate paper transfer unit (IPTU) 17. Delivery assembly 18. Fuser assembly 19. PCAs 20. Stapling mailbox 21. External covers, panels, and doors (SSMBM) 22. Top door assembly (SSMBM) 23. Main body (SSMBM 1 of 2) 24. Main body (SSMBM 2 of 2) 25. PCAs (SSMBM) 26. 500-sheet paper feeder 27. External covers, panels, and doors (1x500-SPF) 28. Main body (1x500-SPF) 29. Paper feeders 30. Paper feeder external covers, panels, and doors (1x500PF and 3x500PF) 31. Main body (1x500PF) 32. Main body (3x500PF) 33. Document feeder/scanner assemblies 34. Scanner inverter assembly 35. Scanner assembly (1 of 6) 36. Scanner assembly (2 of 6) 37. Scanner assembly (3 of 6) 38. Scanner assembly (4 of 6) 39. Scanner assembly (5 of 6) 40. Scanner assembly (6 of 6) 41. Document feeder assembly (1 of 5) 42. Document feeder assembly (2 of 5) 43. Document feeder assembly (3 of 5) 44. Document feeder assembly (4 of 5) 45. Document feeder assembly (5 of 5) All About this machine Parts Code: Internal components 4 of 7 We do not sell these spare parts!We only help you to create your parts list for request from your suppliers. Ref. Parts Code Description Remark 4 RU6-2235-000CN Spring, tension 6 RM1-5589-000CN Cartridge fan assembly 8 RM1-5605-000CN Waste toner motor assembly 9 CC493-67914 Laser scanner kit (includes instructions and one scanner assembly) 10 RM1-5604-000CN Position detect assembly 11 RM1-5492-000CN Front light guide assembly 12 CC493-67909 Repair transfer kit (includes instructions, ITB, and secondary transfer roller)