Konica-Minolta bizhub 421 Parts Catalog page 1. MAIN FRAME 2. MAIN FRAME 2 3. MAIN FRAME 3 4. MAIN FRAME 4 5. EXTERNAL PARTS 6. EXTERNAL PARTS 2 7. OPERATION UNIT 8. OPTICS UNIT 9. OPTICS UNIT 2 10. OPTICS UNIT 3 11. WRITE UNIT 4 12. DRIVING UNIT 13. DRIVING UNIT 2 14. DRIVING UNIT 3 15. DRIVING UNIT 4 16. DRIVING UNIT 5 17. DRUM CARTRIDGE 18. DRUM CARTRIDGE 2 19. DRUM CARTRIDGE 3 20. DRUM CARTRIDGE 4 21. CHARGING UNIT 22. TRANSFER SEPARATOR CORONA UNIT 23. DEVELOPING UNIT 24. DEVELOPING UNIT 2 25. TONER SUPPLY UNIT 26. TONER SUPPLY UNIT 27. TONER SUPPLY UNIT 2 28. TONER SUPPLY UNIT 3 29. TONER SUPPLY UNIT 4 30. DEVELOPING SUCTION UNIT 31. PAPER FEED UNIT 32. PAPER FEED UNIT 2 33. PAPER FEED UNIT 3 34. PAPER FEED UNIT 4 35. MANUAL FEED UNIT 36. MANUAL FEED UNIT 2 37. MANUAL FEED UNIT 3 38. REGISTRATION UNIT 39. TURNOVER UNIT 40. TURNOVER UNIT 2 41. CONVEYANCE UNIT 42. CASSETTE 43. AUTO DUPLEX UNIT 44. AUTO DUPLEX UNIT 2 45. AUTO DUPLEX UNIT 3 46. AUTO DUPLEX UNIT 4 47. AUTO DUPLEX UNIT 5 48. AUTO DUPLEX UNIT 6 49. FIXING UNIT 50. FIXING UNIT 2 51. FIXING UNIT 3 52. FIXING UNIT 4 53. FIXING UNIT 5 54. FIXING UNIT 6 55. ELECTRIC PARTS 56. ELECTRIC PARTS 2 57. ELECTRIC PARTS 3 58. ELECTRIC PARTS 4 All About this machine Parts Code: ELECTRIC PARTS 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 1 4011 3012 01 HOLDER 2 4030 3091 01 LEVER 3 4037 0104 01 PWB ASSY 4 4030 3047 02 HOLDER 5 4002 3131 01 SHOULDER SCREW 6 4002 3110 01 PRESSURE SPRING 7 4037 0906 01 PHOTO INTERRUPTER 8 9J06 M103 00 MOTOR 9 4030 3208 02 BRACKET 10 4030 3081 01 PRESSURE SPRING 11 4030 3224 02 SHOULDER SCREW 12 4030 3083 01 HOLDER 13 4030 3048 02 BRACKET 14 4030 3049 01 BRACKET 15 50GA 6271 01 LIFTING STAY 16 4030 3046 03 BRACKET