Epson Stylus PHOTO RX640 Service Manual page 47

EPSON Stylus PHOTO RX640/650
Tighten the screws in the order specified to secure the Main
Board and Main Board Assy.
Route the harness along the guide in the left area of the
housing, set the ferrite cores in the locations shown, and stick
acetate tape on the ferrite cores. (Fig. 4-17)
CN No. Color Connected to
CN2 Red USB I/F Board
CN3 White CR Motor
CN4 Black PF Motor
CN6 (FFC) Printhead
CN7 (FFC) Printhead
CN8 (FFC) PF Encoder
CN9 Black APG Sensor
CN10
White PE Sensor
CN11 White CD-R Sensor (Guide & Tray)
CN15 (FFC) LCD
CN16 (FFC) Panel Board
CN20 White Power Supply Board
C H E C K
The methods for unlocking the carriage (moving the carriage from
P O I N T
its home position) are as follows:
While the printer is operating, turn power OFF by unplugging
the AC cable so that the carriage is shifted from its home
position.
Turn by hand the EJ roller gear at the left side of the printer.
(Take care not to get injured with any nearby sheet metal
part.)
Disassembly and Assembly
(Fig. 4-15, Fig. 4-14)
Remarks
4-pin (With ferrite core)
2-pin (With ferrite core)
2-pin (With ferrite core)
28-pin (With ferrite core)
25-pin (With ferrite core)
5-pin (With ferrite core)
3-pin (With ferrite core)
3-pin (With ferrite core)
4-pin
8-pin
11-pin (With ferrite core)
3-pin
Carriage Lock Lever
Removal of Exterior Parts
CN13 CN5
CN8 CN11 CN3 CN4
CN10 CN9 CN7
CN6
CN2
CN15
Figure 4-16. Connection of the Connectors on the Main Board
CN8
CN2
Figure 4-17. Routing the Harness and Setting the Ferrite Cores
Revision A
CN20
CN16
CN10
CN9
CN4
CN3
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