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3.1 OVERVIEW
This section describes various points to note when disassembling and assembling the printer.
3.1.1 Precautions
Follow the precautions below for disassembly or assembly.
Before disassembling, assembling, or adjusting the printer, disconnect the power supply cable from
the AC power socket. Failure to do so can cause physical injury. The power switch is wired in the
secondary circuitry. Therefore, the printer’s primary circuitry remains live even after the power
switch is turned off.
Never touch primary parts of the the power supply unit (including the heat sink) while the power
supply cable is connected to the AC power socket.
To maintain efficient printer operation:
• Use only recommended tools for maintenance work.
• Use only recommended lubricants and adhesives (see Chapter 6).
• Adjust the printer only in the manner described in this manual.
3.1.2 Tools
Tables 3-1 and 3-2 list the tools recommended for disassembling, assembling, or adjusting the printer. Use
only tools that meet these specifications.
Table 3-1. Recommended Tools
Tool Part No.
Round-nose pliers B740400100
Nippers B740500100
Tweezers B741000100
Soldering iron B740200100
E-ring holder #2.5 B740800400
Phillips screwdriver No.2 B743800200
Standard screwdriver B743000100
Thickness gauge B776702201
Note: All tools are commercially available.
Table 3-2. Equipment Required for Maintenance
Description
Specification
Multimeter
——
Oscilloscope
50 MHz
Note: An oscilloscope is required only for servicers who repair to the component level.
FX-2170 Service Manual Disassembly and Assembly
Rev.A 3-1