Disassembly And Assembly; Overview; Disassembly Precautions; Tools And Instruments - Epson FX-880 Service Manual

4.1 OVERVIEW

This section describes various points to note when disassembling and assembling the printer.
Unless otherwise specified, disassembled units or components can be re-assembled by reversing
the disassembly procedure. Therefore, no assembly procedures are included in this section.
Precautions for any disassembly or assembly procedure are described under the heading
"CHECK POINT". Any adjustments required after disassembling the units are described under the
heading "ADJUSTEMNTS".

4.1.1 Disassembly Precautions

Follow the precautions below when disassembling the printer.
WARNING
„ Before disassembling, assembling or adjusting the printer,
„ Be careful with the printhead when you handle it, as it may be very
„ Do not touch the heat sink attached to the switching FET (Q1) on the
„ Never touch the heat sink attaches to the switching FET (Q1) while at
CAUTION
To maintain efficient printer operation:
„ Use only the recommended tools for maintenance work.
„ Use only the recommended lubrications and adhesives (See Chapter
„ Adjust the printer only in the manner described in this manual.

4.1.2 Tools and Instruments

The table below lists the tools and the instruments required for disassembling, assembling or
adjusting the printer. Use only tools that meets these specifications.
Name
Phillips Screwdriver
Phillips Screwdriver
Box Driver
Tweezers
Round-nose pliers
Thickness gage
Soldering iron
E-Ring holder
Multi-Meter
Oscilloscope
Note) All tools and instruments listed above are commercially available.
Rev. A
disconnect the power supply cable from the AC power socket.
Failure to do cause personal injury.
hot just after printing.
power supply board, just after power off as it may be very hot.
AC power cable is connected to the AC outlet, as it is not electrically
isolated.
6.)
Table 4-1 . Tool and Instrument List
Specification
7.0mm Diagonal
OHM/Voltage/Current
Min. 50MHz
Chapter 4 DISASSEMBLY AND ASSEMBLY
No.2
No.1
Size: #6
FX-880 Service Manual
EPSON Part No.
B743800200
B743800100
B741700200
B741000100
B740400100
B776702201
B740200100
B740800800
4-1