# ASF Housing Assy (WF-M5899 Series)

1. Remove the four screws and then remove the Rear Housing Assy (A).
   
   
   • : C.B.P-TITE-SCREW-3x10-F.ZN-3C

   Assembly / 組み立て

   Attach the two dowels of the Rear Housing Assy (A) to the positioning holes on the Housing Left (B) and the Housing Right (C).

2. Disengage the hook, and remove the Maintenance Box Cover (A).
   
3. Open the ADF/SCN Unit and remove the screw securing the Housing Right (A).
   
   
   • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
4. Remove the three screws securing the Housing Right (A).
   
   
   • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
5. Lift the Housing Right (A) upward to release the two hooks on the front side of the Housing Right (A).
   

6. Remove the dowels to the rear, and lift up the Housing Right (A) to remove it.
   

   Assembly / 組み立て

   Insert the eight tabs on the Housing Right (A) to the positioning holes of the Housing Upper (B) and the RIPS Unit (C).

7. Open the ADF/SCN Unit and remove the screw securing the Housing Left (A).
   
   • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
8. Remove the two screws securing the Housing Left (A).
   
   
   • : C.B.P-TITE-SCREW-3x10-F.ZN-3C

9. Lift the Housing Left (A) upward to release the two hooks each on the front side and rear side of the Housing Left (A), and then remove the Housing Left (A).
   

   Assembly / 組み立て

   Insert the eight tabs on the Housing Left (A) to the positioning holes of the Housing Upper (B) and the RIPS Unit (C).

10. Remove the six screws securing the Housing Upper (A).
    
    • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
11. Lift the Housing Upper (A) and remove the Housing Upper (A) toward you.
    

12. Remove the two Bind Screw2.5 x 20 (w/washer).
    

13. Remove the Plate (A).
    
14. Remove the two screws, and remove the Guide Cover (A) in the direction of the arrow.
    
    
    • : C.C.P-TITE-SCREW-3x12-F.ZN-3C
    • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
15. Remove the two screws securing the Cable Guide (A).
    
    
    • : C.B.P-TITE-SCREW-3x10-F.ZN-3C

    Check Point / チェックポイント

    When removing the screws, if the screwdriver interferes with the ADF/SCN Unit, use a stubby screwdriver.

16. Peel off the CRCM FFC (B) from the CRCM FFC Sheet (A).
    
17. Peel off the double-sided tape at two locations and then remove the CRCM FFC Sheet (A).
    
18. Disconnect the cables (B) from the connector (CN20, CN51, CN56) of the Relay Board (A).
    
19. Remove the acetate tape (A), and release the cable (B) from the two guides.
    
20. Disconnect the two cables (B) from the connectors (CN74, CN80) of the Main Board (A).
    
21. Remove the two screws, and release the ground wire (A) from the slit to remove it.
    
    • : C.B.S-TITE-SCREW-3x6-F.ZN-3C

    
    

    Assembly / 組み立て

    Attach the ground wire with the terminal (A) oriented as shown below.

22. Move the Cable Guide as shown below.
    
23. Peel off the double-sided tape at 5 locations on the CRCM FFC (A).
    
24. Disconnect the cables from the connectors (CN2, CN10, CN11, CN12, CN22, CN30, CN54, CN55) on the Relay Board (A).
    

25. Release the cables from the five tabs on the Frame Base.
    

    Assembly / 組み立て

    Cables to be routed to A and B in the figure below are as follows. A Ink End Sensor (Bk) (CN30) Ink Leak Sensor 1 (CN11) Ink Leak Sensor 2 (CN12) Ink Leak Sensor 3 (CN54) Ink Leak Sensor 4 (CN55) Temperature and Humidity Sensor(CN10) B Drawer Connector (CN2) Cover Open Sensor (CN22)

26. Disconnect the FFCs (A) from the connectors (CN67, CN66, CN68) on the Main Board.
    

27. Disconnect the CRCM FFC (A) from the connector (CN8) on the Main Board.
    
28. Remove the Decompression Pump Cable (A) from the connector (CN77) on the Main Board.
    
29. Pull the Decompression Pump Cable (A) out from the hole of the Frame Base, and remove the ferrite core (B).
    
30. Remove the three screws that secure the RIPS Unit (A).
    
    • : C.B.P-TITE-SCREW-3x10-F.ZN-3C

31. Remove the two screws that secure the RIPS Unit (A).
    

    • : C.B.P-TITE-SCREW-3x10-F.ZN-3C

32. Remove the three screws that secure the RIPS Unit (A).
    

    • : C.B.P-TITE-SCREW-3x10-F.ZN-3C

    Caution / 注意

    In the following steps, ink may spill from the Ink Supply Tube. Prepare waste cloths or similar in advance.

33. While holding up the Ink Supply Tube (A), pull down the Joint (B) to remove it.
    

    Assembly / 組み立て

    When the Joint (B) has been installed, check that there is no gap between the Ink Supply Tube (A) and the Joint (B).

    Caution / 注意

    In order to prevent injuries from the edge of the metal frame (A), use long sleeves when lifting the printer. Lift carefully so as not to touch the PF scale (A) on the left side of the main body. If you touch the PF scale, clean it with a clean cloth.

34. Holding the location in the figure, lift the printer (A), and separate the printer (A) and the RIPS Unit (B).

    • Right side

      
    • Left side
      

    Assembly / 組み立て

    During disassembly and reassembly, ink leakage may occur from the tube and joint section being misaligned. Check that the tube rib (A) and the joint section are perpendicular and secure as in the figure below.

35. Pull out the Paper Cassette 1st Assy (A).
    
    
    
36. Place the printer with the rear side facing down.
    
37. Remove the two screws and then remove the ASF Housing Assy (A).
    
    • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
38. Release the cables (A) from the two hooks.
    

39. Disconnect the cable (B) from the Cassette Detection Sensor (A), and remove the ASF Housing Assy (C).
    

    Assembly / 組み立て

    When installing the ASF Housing Assy (A), pass the cable (B) through the two slits.