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Troubleshooting, Chapter 5. troubleshooting, Provides epson-approved techniques for – Epson 4003353 User Manual

Page 98: Chapter 5, Chapter

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Chapter

5

Troubleshooting

Table of Contents

5.1 OVERVIEW

5-1

5.2

UNIT LEVEL TROUBLESHOOTING

5 - 3

5.2.1 Printer does not operate at power on . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2.2 Error is detected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2.3 Failure occurs during printing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.2.4

Printer does not feed the paper correctly. . . . . . . . . . . . . . . . . . . . . . . . .

5.2.5 Control panel operation is abnormal . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.3 UNIT REPAIR - C137 PSB/PSE BOARD

5 - 4
5 - 5
5 - 6
5 - 7
5 - 8

5-9

5.4

UNIT REPAIR - C137 MAIN BOARD 5-10

5.5

UNIT REPAIR - PRINTER MECHANISM (M-4AIO) 5-12

List of Figures

Figure 5-1. Troubleshooting Process Flowchart. . . . . . . . . . . . . . . . . . . . . . . . 5-1

Table 5-1.
Table 5-2.
Table 5-3.
Table 5-4.
Table 5-5.
Table 5-6.

Table 5-7.

List of Tables

Motor Resistance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Sensor Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Error Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Symptom and Problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Repair of the C137 PSB/PSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-1
5-1

5-2
5-3
5-9

Repair of the C137 MAIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
Repair ofthe Printer Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . .

5-12

R e v . A

5-i