Epson Stylus Photo PX650 Service Manual page 150

Epson Stylus Photo PX650/TX650/TX659/PX660/PX660 Premium/Artisan 635
8.2.2.3 Main Board Unit
C H E C K 
This section describes the disassembly/reassembly procedures
P O I N T
of the Main Board Unit for Epson Stylus Photo PX660/PX660
Premium/Artisan 635.

When removing or installing the Main Board Unit, the Middle
Housing may bend by applying the force using the screwdriver,
and it may cause of stress whitening around the screw holes
and positioning holes of the Card Slot Cover.
To prevent this from happening, insert the Ink Cartridges (x2)
under the Middle Housing with bottom side up as shown below,
and remove or install the Main Board Unit while supporting
the Middle Housing with the cartridges.
Do not insert cartridge too deep.
Stacker Assy
Stacker Lever
1. Press down the Stacker Lever to make the Stacker Assy to the CDR position.
(See Figure 8-20(p.154).)
2. Insert the Ink Cartridges (x2) with the bottoms side up under the spaces
outside the dowels (x2) on the Middle Housing.
Figure 8-11. Supporting the Middle Housing
Epson Stylus Photo PX660/PX660 Premium/Artisan 635
Support Middle Housing
with the bottom of Ink
Supporting
Card Slot Cover point
Ink Cartridge
Dowel
Disassembly/assembly
 Parts/Components need to be removed in advance
Upper Housing / Panel Unit / M/B Cover
 Removal procedure
1. Disconnect the following cables from the connector on the Main Board.
CN Connector
Cable/FFC
No. Color
CN3 Power Supply Unit cable White
CN4 CDR Guide Sensor cable White
CN6 PE Sensor cable White
CN7 APG Sensor cable Black
CN8 PF Encoder FFC ---
CN9 CDR Tray Sensor cable White
CN13 PF Motor cable Black
CN3
CN13
CN14
CN8
CN6
CN7
CN4 CN9 CN16 CN15
Figure 8-12. Removing the Main Board Unit (1)
Revision C
Number CN Connector
Cable/FFC
of pins No. Color
3 CN14 CR Motor cable White
2 CN10 Head FFC ---
3 CN11 Head FFC ---
3 CN12 Head FFC ---
5 CN15 Head FFC ---
2 CN16 Head FFC ---
2
CN12 CN11
CN10
Confidential
Number
of pins
2
13
13
9
13
6
150