Epson LQ-510 - Troubleshooting

REV.-A
TROUBLESHOOTING
CHAPTER 5
TROUBLESHOOTING
5.1
GENERAL
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5-1
5.2 UNIT REPLACEMENT
.....................................................................
5-2
5.3 UNIT REPAIR
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5-10
5.3.1 SANPS/SANPSE Power Board Unit Repair
............................ 5-10
5.3.2 SAMA Control Board Unit Repair
..........................................
5-14
5.3.3
Printer Mechanism Unit Repair
.............................................
5-21
LIST OF FIGURES
Figure 5-1.
Printhead Resistance
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-6
Table 5-1.
Unit Replacement Numbers
..............................................
5-1
Table 5-2. Symptom and Reference Pages
........................................
5-2
Table 5-3.
Troubleshooting Tools
.....................................................
5-10
Table 5-4. SANPS(E) Board Parts List
...............................................
5-10
Table 5-5.
SANPS(E) Board Unit Repair ............................................
5-11
Table 5-6.
SAMA Board Parts List
....................................................
5-14
Table 5-7.
SAMA Board Unit Repair
..................................................
5-15
Table 5-8.
Printer Mechanism Repair
................................................
5-21
LIST OF TABLES
LQ-510
5-i