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4.1 GENERAL REPAIR INFORMATION
This chapter describes the procedures for removing, replacing, and adjusting the main components
of the LX-8 10/850.
Prior to beginning any of these procedures, be certain that the AC power
To help prevent hands from being cut by the printer mechanism or sharp plate edges, wear
gloves when performing these procedures.
. The printer mechanism, boards, and other parts are sometimes held in place with plastic clips
rather than screws. Be careful not to damage these clips when removing them.
Tables 4-1 and 4-2 list tools and measuring instruments recommended for carrying out disassembly
and repair.
Brush No. 1
Brush No. 2
Cleaning Brush
Round-nose pliers
Diagonal cutting nipper
Tweezers
Electric soldering iron
E-ring holder #2.5
E-ring holder #5
Philips screwdriver No. 2
Screwdriver No. O
Thickness gauge (0.44)
Thickness gauge (0.47)
NOTES: 1.
(*) indicates the tool used to attach the
2.
Oscilloscope
Tester
Slide calipers
Logic Analyzer
NOTE:
A = Required; B = Recommended
Table 4-1. Repair Tools
Description
Table 4-2. Measuring Instruments
Description
C A U T I O N
WARNING
Type
0
0
o
o
o
o
o
o
o
0
0
o
o
(2.3 mm) E-ring.
Specification
50 MHz
4-1
cord is disconnected.
Pert No.
B740400100
B740500100
B64 1000100
B7402OO1OO
B740800400
B740800700
B743800200
B743800300
Class
A
A
A
B
B
REV.-A
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