To Next Page

To Previous Page

CONTENTS

4.1 TROUBLESHOOTING ............................................................... 4-1

4.1.1 Self-test........................................................................... 4-1

Initiating the self-test..................................................... 4-1

Self-test standby ............................................................ 4-1

Ending the self-test ....................................................... 4-1

4.1.2 Troubleshooting Flowchart........................................... 4-2

1 POWER LED does not light ..................................... 4-3

2 JOURNAL OUT LED is lit ......................................... 4-4

3 ERROR LED is lit ...................................................... 4-4

4 ERROR LED is flashing ............................................ 4-5

5 Paper is not loaded by pressing down paper load

switch ........................................................................ 4-5

6 Self-test is not normal .............................................. 4-6

7 Data from host is not printed normally................... 4-7

4.1.3 Troubleshooting Tables ................................................ 4-8

4.2 MAJOR PART REPLACEMENT................................................ 4-13

4.2.1 Fuse Replacement ......................................................... 4-13

4.2.2 Print Head Unit Replacement........................................ 4-13

4.2.3 J Guide Assembly B (Cutter Blade) Replacement ..... 4-13

4.3 ERROR TYPES AND COUNTERMEASURES .......................... 4-14

CHAPTER 4

TROUBLESHOOTING

CONFIDENTIAL

Epson TM-U375 Technical Manual

Other manuals for Epson TM-U375