Brother MFC 8600, 8850, 9550 Fuser Replacement Procedure
Instructions for the Brother MFC 8600, 8850, 9550 Fuser Replacement Procedure
2.1.1 Fuser unit
1. Open the Back cover.
2. Remove the Back cover stopper arm L/R from the Main body.
3. Remove the Shaft of the Back cover from the Bush on the right side of the Main body.
4. Remove the Back cover.
5. Open the Back flapper holder.
Release the two Pins and remove the Back flapper holder from the Main body.
6. Remove the two Taptite bind B M4x12 screws from the Fuser cover L.
7. Remove the one Hook and one Pin and remove the Fuser cover L from the Main body.
8. Release the lock of the Fuser cover lock lever L/R to open the Fuser cover ASSY.
9. Slide the Fuser cover ASSY in the direction of the arrow 9a and remove it to the front.
10. Remove the Cleaner roller spring from the Hook of the Fuser cover ASSY.
11. Remove the Cleaner roller spring from the two Pins of the Fuser cover ASSY.
Remove the Cleaner pinch roller S ASSY and Cleaner roller spring from the Fuser cover ASSY.
12. Remove the Cleaner pinch roller S ASSY from the Cleaner roller spring.
13. Remove the other three Cleaner pinch roller S ASSYs in the same way.
14. Remove the two Taptite bind B M4x12 screws from the Fuser cover R.
15. Release the two Hooks and remove the Fuser cover R from the Main body.
16. Disconnect the two Connectors (CN1 and CN2) from the Eject sensor PCB ASSY.
17. Disconnect the Electrode terminal of the Main body from the Electrode terminal of the Fuser unit.
18. Remove the two Taptite pan B M4x14 screws to remove the Fuser unit from the Main body.
Note:
– Do not apply a physical impact or vibration to the Fuser unit.
– Do not touch the roller and electrodes as shown in the figure below to prevent breakage of the Fuser unit.
19. Release the five Hooks and remove the Toner filter ASSY from the Paper eject ASSY.
20. After replacing the Fuser unit, reset the counter.
