Epson PX650 Series, Service Manual

Page: 61 / 166

Epson Stylus Photo PX650/TX650/TX659/PX660/PX660 Premium/Artisan 635 Revision C
DISASSEMBLY AND ASSEMBLY Overview 61
Confidential
4.1 Overview
This section describes procedures for disassembling the main components of the
product.
Unless otherwise specified, disassembled units or components can be reassembled by
reversing the disassembly procedure.
4.1.1 Precautions
See the precautions given under the heading “WARNING” and “CAUTION” in the
following column when disassembling or assembling the product. Things, if not strictly
observed, that could result in injury or loss of life are described under the heading
“Warning”. Precautions for any disassembly or assembly procedures are described
under the heading “CAUTION”. Chips for disassembling procedures are described
under the heading “CHECK POINT”. If the assembling procedure is different from the
reversed procedure of the disassembling, the procedure is described under the heading
“REASSEMBLY”. Any adjustments required after disassembling the units are
described under the heading “ADJUSTMENT REQUIRED”. When you have to
remove any units or parts that are not described in this chapter, refer to the exploded
diagrams in the appendix. Read precautions described in the next section before
starting.
4.1.2 Tools
Use only specified tools to avoid damaging the Epson Stylus Photo PX650/TX650/
TX659/PX660/PX660 Premium/Artisan 635.
Note : All of the tools listed above are commercially available. EPSON provides the tools
listed with EPSON tool code.
4.1.3 Preparation before Disassembly
Make the following preparations before disassembling the Epson Stylus Photo PX650/
TX650/TX659/PX660/PX660 Premium/Artisan 635:

When the Main Board is to be replaced, make a copy of the EEPROM data.

When the CR Unit is to be moved out of its home position, locate it at a position
other than the home position before starting disassembly by turning the power ON
and turning it OFF timely. (See
4.1.5 How to Unlock the Carriage (p.62) )

As soon as the repaired product has been returned to the user, there may be a case
a maintenance call occurs because of the expiration of the life of a service part.
Avoid such a case, if possible, as follows: Check the maintenance counter for
C H E C K
P O I N T
Description in this chapter is applied to Epson Stylus Photo PX650/
TX650/TX659 but some of it can also be applied to Epson Stylus
Photo PX660/PX660 Premium/Artisan 635. For Epson Stylus Photo
PX660/PX660 Premium/Artisan 635, see below first and follow the
instructions.

"8.2 Disassembly/assembly" (p.142 )
W A R N I N G

Disconnect the power cable before disassembling or assembling
the printer.

Always wear gloves for disassembly and reassembly to avoid
injury from sharp metal edges.

To protect sensitive microprocessors and circuitry, use static
discharge equipment, such as anti-static wrist straps, when
accessing internal components.
C A U T I O N

When using compressed air products; such as air duster, for
cleaning during repair and maintenance, the use of such
products containing flammable gas is prohibited.

Use only recommended tools for disassembling, assembling or
adjusting the Epson Stylus Photo PX650/TX650/TX659/PX660/
PX660 Premium/Artisan 635.

Observe the specified torque when tightening screws.

Make the specified adjustments when you disassemble the
Epson Stylus Photo PX650/TX650/TX659/PX660/PX660
Premium/Artisan 635.

Use the special package for transportation.

Prior to disassembly and reassembly, remove the accessories,
such as memory cards.

When removing or installing exterior parts, take great care
that no coated surface is scratched and no coating is peeled off.
Table 4-1. Tools
Name Tool Code
Phillips precision screwdriver 1080530
Phillips precision screwdriver 1080532
Tweezers 1080561