Epson L-1000 Technical Manual page 144

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REV.-A
5.1
GENERAL TROUBLESHOOTING TECHNIQUES . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5.1.1
5.2
UNIT REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
5.3
UNIT REPAIR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3.1
5.3.2
5.3.3
FIGURE 5-1.
FIGURE 5-2.
FIGURE 5-3.
TABLE 5-l.
TABLE 5-2.
TABLE 5-3.
TABLE 5-4.
TABLE 5-5.
TABLE 5-6.
TABLE 5-7.
TABLE 5-8.
LQ-500/
L-1000
CHAPTER 5
Diagnostic Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5.1.1.1
Diagnostic System Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Power Supply Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
Control Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
Model 5410 Printer Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
LIST OF FIGURES
Troubleshooting Procedure .......................................
Printer Diagnostic System .........................................
Printhead Resistance ................................................
LIST OF TABLES
Troubleshooting Tools.. ............................................
Printer Diagnostic System .........................................
Unit Replacement .....................................................
Symptom and Reference Pages ................................. 5-3
Power Supply Circuit Parts List ................................. 5-11
Power Supply Circuit Unit Repair .............................. 5-12
Control Circuit Parts List ..........................................
Device List ...............................................................
5-11
5-1
5-2
5-7
5-2
5-2
5-3
5-15
5-15
5-i

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