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HP Color E77422 E77428 Laser Printer Diagrams Diagrams

Updated: Jan 24, 2020

Printer Part Diagrams HP Laser E77422 E77428


Laser Printer Parts > Printer Parts Diagrams > HP E77422 E77428


Fits the following HP Managed MFP laser printer models:

  • HP Color LaserJet Managed MFP E77422dn

  • HP Color LaserJet Managed MFP E77428dn

  • HP Color LaserJet Managed MFP E77422a

  • HP Color LaserJet Managed MFP E77422dv

HP E77422 E77428 Printer Parts Diagram Index

  1. HP E77422 E77428 Accessory List printer parts diagram

  2. HP E77422 E77428 Main assembly printer parts diagram

  3. HP E77422 E77428 1st exit assembly printer parts diagram

  4. HP E77422 E77428 Main assembly 2 printer parts diagram

  5. HP E77422 E77428 Main engine frame 1 of 2 printer parts diagram

  6. HP E77422 E77428 Main engine frame 2 of 2 printer parts diagram

  7. HP E77422 E77428 Registration & MP tray assembly printer parts diagram

  8. HP E77422 E77428 Main drive assembly printer parts diagram

  9. HP E77422 E77428 Main engine frame 2 of 2 assembly printer parts diagram

  10. HP E77422 E77428 Registration assembly printer parts diagram

  11. HP E77422 E77428 Main frame paper pickup assembly printer parts diagram

  12. HP E77422 E77428 Main frame pickup upper printer parts diagram

  13. HP E77422 E77428 Main frame parts assembly printer parts diagram

  14. HP E77422 E77428 Front frame parts printer parts diagram

  15. HP E77422 E77428 Rear frame parts printer parts diagram

  16. HP E77422 E77428 Color plane registration CPR printer parts diagram

  17. HP E77422 E77428 Frame main middle plate LSU printer parts diagram

  18. HP E77422 E77428 Cover panels, doors printer parts diagram

  19. HP E77422 E77428 Cover panels, doors cont printer parts diagram

  20. HP E77422 E77428 Control panel 4.3 printer parts diagram

  21. HP E77422 E77428 Control panel assembly printer parts diagram

  22. HP E77422 E77428 MP right door printer parts diagram

  23. HP E77422 E77428 MP Multi purpose printer parts diagram

  24. HP E77422 E77428 Right door output printer parts diagram

  25. HP E77422 E77428 Right door feed guide printer parts diagram

  26. HP E77422 E77428 Scanner assembly printer parts diagram

  27. HP E77422 E77428 Scanner lower assembly printer parts diagram

  28. HP E77422 E77428 ADF upper assembly printer parts diagram

  29. HP E77422 E77428 ADF Automatic document feeder printer parts diagram

  30. HP E77422 E77428 Document lid assembly printer parts diagram

 

1. HP E77422 E77428 Accessory List printer parts diagram

1. HP E77422 E77428 Accessory List printer parts diagram
1. HP E77422 E77428 Accessory List printer parts diagram
 

2. HP E77422 E77428 Main assembly printer parts diagram

2. HP E77422 E77428 Main assembly printer parts diagram
2. HP E77422 E77428 Main assembly printer parts diagram

Ref Description Part Number (*) Qty

  • 1 Main PCA shield JC93-01389A (*) 1

  • 2 Main board PCA (ECB) kit 3BE77-67001 (*) 1

  • 2-1 Main board PCA (ECB) JC92-03028A (*) 1

  • 2-2 Heatsink for ECB JC98-02098A (*) 1

  • 3 Formatter PCA shield JC93-01538A (*) 1

  • 4 Formatter PCA JC92-03036A (*) 1

  • 5 STMS PCA (SDS) JC92-02976A (*) 1

  • 6 eMMC card JC98-05747A(*) 1

  • 7 Fan-type 8 LVPS JC31-00162A (*) 1

  • 8 1st exit assembly JC90-01118B (*) 1

  • 9 Fuser, 220V JC82-00485A (*) 1

  • 9 Fuser, 110V JC82-00472A (*) 1

  • 10 ITB cleaner JC96-06246A (*) 1

  • 11 Image transfer belt (ITB) assembly JC98-00980D (*) 1

  • 12 MP right door JC95-02241A (*) 1

  • 13 Fuser drive board (FDB), 220V JC44-00211E (*) 1

  • 13 Fuser drive board (FDB), 110V JC44-00210E (*) 1

  • 14 LVPS (SMPS), type 5H, 110V JC44-00249A (*) 1

  • 14 LVPS (SMPS), type 5H, 220V JC44-00250A (*) 1

  • Not shown Memory PCA (IOD) X3A92-60002 (*) 1

  • Not shown Harness, engine side for DCF JC39-02112A (*) 1

  • Not shown Harness, finisher JC39-02072A (*) 1

  • Not shown Harness, heater JC39-01583A (*) 1

  • Not shown Harness, FDB interface JC39-02564A (*) 1

 

3. HP E77422 E77428 1st exit assembly printer parts diagram

3. HP E77422 E77428 1st exit assembly printer parts diagram
3. HP E77422 E77428 1st exit assembly printer parts diagram
  • 0 Exit assembly JC90-01118B (*) 1

  • 1 Photo interrupter 0604-001393 (*) 1

  • 2 Gear, exit JC66-02163A (*) 1

  • 3 Spring, ts JC61-07185A (*) 1

  • 4 Actuator, Exit Bin Full JC66-04339A (*) 1

  • 5 Actuator, Full Exit JC66-02218A (*) 1

  • 6 Actuator, Full Exit JC66-02278A (*) 1

  • 7-1 Roller, face down exit JC66-03183A (*) 1

  • 7-2 Upper exit guide JC61-04799A (*) 1

  • 8 Lower exit guide JC90-01133A (*) 1

  • Not shown Harness, exit color JC39-02075A (*) 1

  • JC90-01118B 1st Exit assembly

 

4. HP E77422 E77428 Main assembly 2 printer parts diagram

4. HP E77422 E77428 Main assembly 2 printer parts diagram
4. HP E77422 E77428 Main assembly 2 printer parts diagram
  • 1 Laser scanner unit and HVPS interface cable JC39-02114A (*) 1

  • 2 HVPS JC44-00212C (*) 1

  • 3 Laser scanner unit (LSU) JC97-04010A (*) 1

  • 4 Cassette Tray 2 JC90-01773A (*) 1

  • 5 Cassette Tray 3 JC90-01774A (*) 1

  • 6 Toner Collection Unit (TCU) X3A83-67923 (*) 1

  • 7 Imaging drum CMYK X3A83-67905 (*) 4

  • 8 Developer unit, Y JC96-11663A (*) 1

  • 8 Developer unit, M JC96-11664A (*) 1

  • 8 Developer unit, C JC96-11665A (*) 1

  • 8 Developer unit, K JC96-11666A (*) 1

 

5. HP E77422 E77428 Main engine frame 1 of 2 printer parts diagram

5. HP E77422 E77428 Main engine frame 1 of 2 printer parts diagram
5. HP E77422 E77428 Main engine frame 1 of 2 printer parts diagram





































  • 1 Fuser & Exit drive assembly JC93-00441A (*) 1

  • 2 Pickup drive assembly JC93-00442C (*) 2

  • 2-1 Pickup drive motor JC93-00452A (*) 1

  • 3 Registration & MP Tray drive assembly JC93-00443A (*) 1

  • 4 Feed drive assembly JC93-00444A (*) 1

  • 4-1 Feed drive motor JC31-00033B (*) 1

  • 5 Toner supply drive assembly JC93-00446B (*) 4

  • 6 Main drive JC93-00915B (*) 1

  • 7 Fan, type 7 fuser JC31-00161A (*) 1

  • 8 TCU drive assembly JC93-00445A (*) 1

  • 8-1 TCU drive motor JC31-00166A (*) 1

  • 9 Fan assembly JC93-01400A (*) 1

  • 9-1 Fan, type7 developer JC31-00130A (*) 1

 

6. HP E77422 E77428 Main engine frame 2 of 2 printer parts diagram

6. HP E77422 E77428 Main engine frame 2 of 2 printer parts diagram
6. HP E77422 E77428 Main engine frame 2 of 2 printer parts diagram
  • 0 Fuser & Exit drive assembly JC93-00441A (*) 1

  • 1 Gear, rdcn exit JC66-03108A (*) 1

  • 2 Gear, fuser one way JC66-03105A (*) 1

  • 3 Gear, hub clutch JC66-00340A (*) 2

  • 4 Gear, rdcn fuser out JC66-00417A (*) 2

  • 5 Gear, fuser release JC66-03107A (*) 1

  • 6 Fuser Motor, BLDC JC31-00123B (*) 1

  • 7 Exit motor, Step JC93-00452A (*) 1

 

7. HP E77422 E77428 Registration & MP tray assembly printer parts diagram

7. HP E77422 E77428 Registration & MP tray assembly printer parts diagram
7. HP E77422 E77428 Registration & MP tray assembly printer parts diagram
  • 0 Registration drive JC93-00443A (*) 1

  • 1 Motor, BLDC JC31-00123B (*) 1

  • 2 Electric clutch JC47-00037A (*) 2

 

8. HP E77422 E77428 Main drive assembly printer parts diagram

8. HP E77422 E77428 Main drive assembly printer parts diagram
8. HP E77422 E77428 Main drive assembly printer parts diagram
  • 0 Main drive JC93-00915B (*) 1

  • 1 Motor, bldc JC31-00123A (*) 5

  • 2 ITB Engage/Disengage drive assembly JC93-00452A (*) 1

  • 3 Photo interrupter 0604-001393 (*) 4

  • 4 OPC sensor holder JC61-04538A (*) 4

  • 5 Main sub drive JC93-00914B (*) 1

 

9. HP E77422 E77428 Main engine frame 2 of 2 assembly printer parts diagram

9. HP E77422 E77428 Main engine frame 2 of 2 assembly printer parts diagram
9. HP E77422 E77428 Main engine frame 2 of 2 assembly printer parts diagram
  • 1 Registration stopper JC61-04900A (*) 1

  • 2 Feeding Duct Shaft JC66-03164A (*) 4

  • 3 Registration Cleaner JC93-00078C (*) 1

  • 4 Toner Supply Duct JC93-00483B (*) 4

  • 5 Registration assembly JC93-01371A (*) 1

  • 6 Main frame first pickup JC93-00511A (*) 1

  • 7 Main frame second pickup JC93-01441A (*) 1

  • 8 Main feed first color JC93-00536A (*) 1

  • 9 Main feed second JC93-00537D (*) 1

  • 10 Main switch JC39-01582A 1

 

10. HP E77422 E77428 Registration assembly printer parts diagram