Epson Artison 800 - Decompression Pump Unit

Epson Artisan 800/Epson Stylus Photo PX800FW/TX800FW/Epson Artisan 700/Epson Stylus Photo PX700W/TX700W Revision C
DISASSEMBLY/ASSEMBLY Disassembly Procedures 130
Confidential
4. Detach the Torsion Spring 16.43 from the hook of the Main Frame.
5. Rotate the CR Scale 90 degrees as shown below, and remove it from the Main
Frame.
Figure 4-70. Removing the CR Scale(2)
4.2.4.3 Decompression Pump Unit
 Parts/Components need to be removed in advance:
ADF Unit (Artisan 800/PX800FW/TX800FW only)/Scanner Unit/Upper Left
Housing/Paper Guide Top Assy/Upper Housing/Hinge/Rear Right FAX Housing/
Right Housing/Main Board
 Removal procedure
1. Remove the decompression tube from the socket of the Cartridge Box Unit.
(See
Fig. 4-71.)
2. Release the decompression tube from the groove on the Base Frame.
Figure 4-71. Removing the Decompression Pump Unit
 Attach the CR Scale to the hook on the left of the printer with
the chipped part upward. (See
Fig. 4-70.)
 Make sure to put the CR Scale through the slit of the CR
Encoder Sensor. (See
Fig. 4-69.)
 When installing the Torsion Spring 16.43, follow the procedure
below. (See
Fig. 4-70.)
1. Attach the leg A to the hole of the CR Scale.
2. Attach the Torsion Spring 16.43 to the rib on the Main
Frame.
3. Attach the leg B to the cutout of the Main Frame.
90 degrees
Chipped part
Rib
Torsion Spring 16.43
Leg A
Leg B
Cutout
Hook
CR Scale
Torsion Spring 16.43
Right side
Decompression Pump Unit
Decompression tube
Groove on Base Frame
Socket for the tube
Decompression tube
Section A
Section B
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