Epson Artisan 800/Epson Stylus Photo PX800FW/TX800FW/Epson Artisan 700/Epson Stylus Photo PX700W/TX700W 
Disassembly Procedures 
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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.