Service manual

Epson Stylus Photo PX650/TX650/TX659/PX660/PX660 Premium/Artisan 635 Revision C
Epson Stylus Photo PX660/PX660 Premium/Artisan 635 Disassembly/assembly 150
Confidential
8.2.2.3 Main Board Unit
 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.
Figure 8-12. Removing the Main Board Unit (1)
C H E C K
P O I N T
 This section describes the disassembly/reassembly procedures
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.
Figure 8-11. Supporting the Middle Housing
Stacker Lever
Ink Cartridge
Dowel
Stacker Assy
Card Slot Cover
Do not insert cartridge too deep.
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.
Supporting
point
Support Middle Housing
with the bottom of Ink
CN
No.
Cable/FFC
Connector
Color
Number
of pins
CN
No.
Cable/FFC
Connector
Color
Number
of pins
CN3 Power Supply Unit cable White 3 CN14 CR Motor cable White 2
CN4 CDR Guide Sensor cable White 2 CN10 Head FFC --- 13
CN6 PE Sensor cable White 3 CN11 Head FFC --- 13
CN7 APG Sensor cable Black 3 CN12 Head FFC --- 9
CN8 PF Encoder FFC --- 5 CN15 Head FFC --- 13
CN9 CDR Tray Sensor cable White 2 CN16 Head FFC --- 6
CN13 PF Motor cable Black 2
CN14
CN13
CN8
CN7
CN6
CN16 CN15 CN10CN4
CN12 CN11CN3
CN9