Detailed Disassembly/Reassembly Procedure For Each Part/Unit - Epson WF-2540 Service Manual

WF-2540 / WF-2530 / WF-2520 / WF-2510 / WF-2010 series

2.3 Detailed Disassembly/Reassembly Procedure for each Part/Unit

ADF/Scanner Unit (ADF compatible model)
ADF/Scanner Unit
Hinge
C.B.P-TITE SCREW 3x10 F/ZN-3C (6 ± 1 kgf·cm)
Tighten the screw of the ADF/Scanner Unit by supporting the
ADF/Scanner Unit.
Without the support, the ADF/Scanner Unit may drop out from the
Hinge by its weight and it may damage the ADF/Scanner Unit.
ADF Front Frame / Spur Gear 25.8/20.4
(ADF compatible model)
Diagram A
Spur Gear 25.8
Spur Gear 20.4
Spur Gear 25.8
Spur Gear 20.4 ADF Front Frame
Install the Spur Gear 25.8/20.4 as shown in the figure A above.
When installing the ADF Front Frame, check that the Spur
Gear 25.8/20.4 is installed on the position shown in the figure
B above.
Disassembly/Reassembly
ADF Unit (ADF compatible model)
ADF Hinge hole
Precision screwdriver
ADF Unit
Scanner Unit
When removing the ADF Unit from the Scanner Unit, remove
the Hinge Left/Right from the Hook on the Scanner Unit.
Release the hooks (x2) on the Scanner Unit by inserting the
precision screwdriver to the hole of the ADF Unit Left/Right to
push the Hook to the rear.
ADF Pad Assy (ADF compatible model)
Bottom
Diagram B
ADF Upper Frame Assy
ADF Upper Frame Assy
Remove the ADF Pad Assy by removing the hooks (x2) and
dowels (x2) of the ADF Pad Assy from the ADF Upper Frame
Assy.
Detailed Disassembly/Reassembly Procedure for each Part/Unit
ADF Paper Guide Cover Assy (ADF compatible model)
Scanner Unit Hook
ADF Paper Guide Cover Assy
Hook
ADF Paper Guide Cover Assy
Remove the ADF Paper Guide Cover Assy by removing the holes
(x2) of the dowels (x2) of the ADF Unit.
Document Mat (ADF compatible model)
ADF Pad Assy
Document Mat
When attaching the Document Mat to the ADF Unit, follow the
procedure below.
1. Attach double-sided tape on the two long sides of the Document
Mat.
2. Place the mat on the document glass with double-sided tape
attachment side upward while aligning it with the standard line of
Hook
the document glass shown above.
Dowel
3. Close the Document Cover and stick the Document Mat to the
Document Cover.
4. Open the Document Cover and press the double-sided tape
attachment side to secure the Document Mat to the ADF Unit
securely.
ADF Frame Assy (ADF compatible model)
Hole
ADF Unit
Grounding terminal
Dowel and hole
When removing the ADF Frame Assy, remove the grounding
terminal of the ADF Frame Assy through the square hole of the
ADF Base Assy.
Document Mat (ADF non-compatible model)
ADF Unit
Document Mat
Double-sided tape
Standard line
Reference position:
Align the Document Mat with the front right corner of the document glass.
Make sure the gap in yellow above must be less than 1 mm.
When attaching the Document Mat to the Document Cover, follow
the procedure below.
1. Attach double-sided tape on the two long sides of the
Document Mat.
2. Place the mat on the document glass with double-sided tape
attachment side upward while aligning it with the reference
position of the document glass shown above.
3. Close the Document Cover and press the cover to stick the
Document Mat to the Document Cover.
Revision B
ADF Base Assy
Square hole ADF Frame Assy
Document Cover Assy
Reference (origin)
position
Double-sided tape
40
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