Disassembly Precautions; Tools - Epson LQ-300 Service Manual

OVERVIEW
3.1
This section describes various points to note when disassembling and assembling the printer.

3.1.1 Disassembly Precautions

Follow the precautions below when disassembling the printer.
disassembling, assembling, or adjusting the printer, disconnect the power supply
Before
power socket. Failure to do so can cause personal injuy.
AC
To maintain efi"cient printer operation:
Use only the recommended lubn"cants and adhesives (see
Adjust the pn"nter only in the manner described in this manual.
.
3.1.2
Tables 3-1 and 3-2 list the tools recommended for disassembling, assembling, or adjusting the
printer. Use only tools that meet these specifications.
Note: All tools are commercially available.
Table 3-2. Equipment Required for Maintenance
Note: An oscilloswpe is required only for servicers who repair to the component level.
Table 3-1. Recommended Tools
Tool
Round-nose pliers
Nippers
Tweezers
Soldering iron
E-ring holder #2.5
Phillips screwdriver No.2
Normal screwdriver
Thickness gauge
Description
Oscilloscope
Disassembly and Assembly
Chapter 6).
Part No.
6740400100
B7405OO1OO
6741000100
B7402OO1OO
6740800400
6743800200
6743000100
6776702201
Specification
50 MHz
3-1