Adf Unit - Epson Artisan 810 Service Manual

Epson Artisan 810/835/837/710/725/730/Epson Stylus Photo PX810FW/TX810FW/PX820FWD/TX820FWD/PX830FWD/PX710W/TX710W/PX720WD/TX720WD/PX730WD/TX730WD

8.3.2.1 ADF Unit

This section describes the disassembly/reassembly procedures of the
C H E C K
ADF Unit for Artisan 835/837/PX820FWD/TX820FWD/
P O I N T
PX830FWD.
Parts/Components need to be removed in advance:
None
Removal procedure
Artisan 837/PX830FWD does not have the harness cover clamp,
C H E C K
therefore, skip Step 2
P O I N T
The harness cover clamp needs to be cut when removing, and
cannot be reused. When installing the Cable Cover, replace it
with a new one.
Harness cover clamp before cut
Figure 8-1. Damaged stopper
A hook releaser is required to release the hook engaging with
the hinges of the ADF Unit. Prepare two pieces of metal plate in
the following size, and make the hook releasers (x2) before
taking the following procedure.
0.3 mm 20 mm
25 mm
25 mm
Figure 8-2. Hook Releaser for the Hinge of the ADF Unit
Artisan 835/725/PX820FWD/TX820FWD/PX720WD/TX720WD
in the following procedure.
Harness cover clamp after cut
Sample
When attached
Fold it on dotted
line at right angle
1. Open the Scanner Unit.
2. Cut the harness cover clamp with a nipper as shown in
the harness cover clamp.
3. Slide the Cable Cover to the rear of the printer by pushing the point A of the
Cable Cover to release the hooks (x4) and ribs (x2), and remove the Cable
Cover.
Harness cover clamp
Cutting position
Cross-
section
4. Disconnect the ADF Motor Cable and ADF Sensor Cable from the connectors
on the Main Board. (See
5. Pull out the terminal of the grounding wire from the fixing rib of the frame.
Grounding wire
Terminal of grounding
wire and the fixing rib
Disassembly/assembly
Right side
Harness cover clamp
Figure 8-3. Removing the Cable Cover
Fig. 8-4.)
ADF Motor Cable
Main Board
ADF Sensor Cable
Figure 8-4. Removing the ADF Unit (1)
Revision G
Fig. 8-3 and remove
Cable Cover
Point A
Hook
Rib
264
Confidential