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3.1 Overview
This section describes the information you need to know before you disassemble or assemble the printer.
3.1.1 Precautions
Follow the precautions below before you disassemble or assemble the printer.
WARNING
Before disassembling, assembling, or adjusting the printer, disconnect the power supply cable from
the AC power outlet. Failure to do so may 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.
CAUTION
To maintain optimum printer operation, use only the recommended
tools for maintenance work.
Also only the lubricants recommended in Chapter 6. Adjust the printer only as described in this
manual. (See Chapter
3.1.2
Tools
Tables 3-1 and 3-2 list the recommended tools needed to disassemble, assemble, or adjust the printer. Use
only tools that meet these specifications.
Table 3-1. Recommended
Tools
Tool
Part No.
Round-nose pliers
B7404OO1OO
Nippers
B7405OO1OO
Tweezers
B741OOO1OO
Soldering iron
B7402OO1OO
E-ring holder #2.5
B740800400
Phillips screwdriver no.2
B743800200
Normal screwdriver
B743OOO1OO
Thickness gauge
Note: All the tools in the table above are commercially available.
Table 3-2. Equipment Required for Maintenance
Description
Specification
Oscilloscope
20 MHz
3-1
Summary of Contents for FX 1170 - B/W Dot-matrix Printer
Page 1: ...EPSON EPSON TERMINAL PRINTER FX 870 1170 SERVICE MANUAL 4001461 REV A ...
Page 5: ... f REVISION SHEET REVISON DATE ISSUED CHANGE DOCUMENT A June 15 1992 1st issue 7 v ...
Page 11: ...REV A 4 80 column model 136 column model Figure 1 1 External View of the FX 870 1170 r 1 2 ...
Page 128: ...REV A Figure 6 1 Lubrication Points 6 3 ...
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