Digital Equipment LA30 N Service Manual Download

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CONTENTS

CHAPTER 1

PRINTER SPECIFICATIONS, PERFORMANCE, AND CONFIGURATION ............ 1-1

1.1

Overview ................................................................................................................................................... 1-1

1.2

Equipment Structure .................................................................................................................................. 1-2

1.2.1

Overview ............................................................................................................................................. 1-2

1.2.2

Model configuration ............................................................................................................................ 1-2

1.2.3

Structure .............................................................................................................................................. 1-3

(1)

Upper cover assembly ................................................................................................................ 1-4

(2)

Printing mechanism assembly .................................................................................................... 1-5

(3)

Lower cover assembly ............................................................................................................... 1-6

CHAPTER 2

UNPACKING, PERFORMANCE CHECK, AND CONNECTION ................................ 2-1

2.1

Overview ................................................................................................................................................... 2-1

2.2

Notes on Installation .................................................................................................................................. 2-1

2.3

Unpacking .................................................................................................................................................. 2-2

2.4

Inspection after Unpacking ........................................................................................................................ 2-4

CHAPTER 3

TROUBLESHOOTING ........................................................................................................ 3-1

3.1

All Indicators Don’t Light ......................................................................................................................... 3-4

3.2

No Print Head Movement .......................................................................................................................... 3-6

3.3

Incorrect Printing due to Defective Nonvolatile RAM ............................................................................. 3-9

3.4

Printing Quality Abnormal ........................................................................................................................ 3-10

3.5

Forms Feed Abnormal ............................................................................................................................... 3-13

3.6

Error Display ............................................................................................................................................. 3-15

CHAPTER 4

MAINTENANCE ................................................................................................................... 4-1

4.1

Overview ................................................................................................................................................... 4-1

4.2

Notes on Use .............................................................................................................................................. 4-1

4.3

Maintenance Tools .................................................................................................................................... 4-2

4.4

Maintenance Levels ................................................................................................................................... 4-2

4.5

Preventive Maintenance ............................................................................................................................ 4-2

4.6

Parts Drawings ........................................................................................................................................... 4-3

4.7

Parts That Must Not Be Disassembled ...................................................................................................... 4-4

4.8

Level 1 Maintenance ................................................................................................................................. 4-5