Epson LQ-510 - General Repair Information

REV*iils~ss~~~~~, ASSEMBLY, AND ADJUSTMENT 4
4.1 GENERAL REPAIR INFORMATION
This chapter describes the procedures for removing, replacing, and adjusting the main components of the
LQ-510.
CAUTION
0 Prior to beginning any of these procedures, be certain that the AC power cord is disconnected.
0 To help prevent hands from being cut by the printer mechanism or sharp plate edges, wear gloves
when performing these procedures.
J
WARNING
0 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.
Table 4-1. Repair Tools
Description
Type
Part No.
Brush no. 1
0 B741400200
Brush no. 2
0 B741400100
Cleaning brush
0
B741600100
Round-nose pliers
0 B740400100
Diagonal cutting nippers
0 B740500100
Tweezers
0 B641000100
Soldering iron
0 B740200100
E-ring holder #2.5*
0
B740800400
E-ring holder #5
0 B740800700
Phillips screwdriver no. 2
0 B743800200
Screwdriver no. 0
0 B743800300
Thickness gauge (0.44)
0
Thickness gauge (0.47)
0
NOTES: 1. (*)indicates the tool that is used to attach the (2.3 mm) E-ring.
2. o = Commercially available
Table 4-2. Measuring Instruments
Description
Oscilloscope
Tester
Slide calipers
Multimeter
Logic Analyzer
Specification
50 MHz
Priority
A
A
A
B
B
NOTE: A = required; B = recommended
To ensure optimal printer performance, be sure to lubricate, apply adhesive, clean, and maintain the printer
following reassembly and adjustment, according to the procedures described in Chapter 6.
LQ-510
4-1