Service manual

EPSON Stylus Photo R340/350 Revision A
Disassembly and Assembly Disassembly 81
 Illustration (4)
Figure 2-72. Removing the Carriage Unit (4)
 Removing the PW Sensor Board
1. While pressing the PW Sensor Cap in the direction of the arrow shown in
Figure 2-72, insert a flat-blade screwdriver between the tab ( ) of the PW
Sensor Cap and the Carriage to release the three tabs ( ), and remove the
PW Sensor Cap.
2. Pull out the PW Sensor FFC through the notch ( See Figure 2-71.) of the
Carriage Unit, and disconnect the FFC from the PW Sensor Board, then
remove it together with the PW Sensor Board.
 Removing the CSIC Board
1. Remove the Cartridge Lever Torsion Spring from the guide pin ( ) of the
Cartridge Lever and the tab ( ) of the IC Guide.
2. Pull out the guide pin ( ) of the Cartridge Lever from the right notch of the
IC Guide with tweezers, and remove the Cartridge Lever
3. Remove the two screws ( ) that secure the IC Guide, and release the tab ( )
with tweezers, then remove the IC Guide.
4. Release the two tabs ( ) that secure the CSIC Board, and push up the board
with a flat-blade screwdriver inserting it from the bottom notch of the
Carriage Unit to remove the CSIC Board.
PW Sensor Cap
Hooked Tabs
Connector
PW Sensor Board
Guide Pin
Hooked Tab
Cartridge Lever
Torsion Spring
Cartridge Lever
Notch and Guide Pin
C.B.P 2.5x8 (3-5kgf.cm)
Hooked Tab
IC Guide
1
2
CSIC Board
Hooked Tabs
Electric Pole
Notches
C A U T I O N
Prevent the PW Sensor Board from falling down when removing
the PW Sensor Cap as the board is secured by the cap and becomes
unstable after the cap is removed.
C A U T I O N
Be careful not to damage the electric pole with the flat-blade
screwdriver while removing the CSIC Board.