Epson M X - 8 5 User Manual

MX-85

DOT MATRIX PRINTER

Operation Manual

P8290062-1

Shinshu Seiki Co., Ltd.

Nagano, Japan

*The contents of this manual are subject to change without notice.

INTRODUCTlON INSTALLATlON

1. Unpacking & Set-up of MX-85

1.1. Unpacking

1.2. Repacking

1.3. Contents of carton

1.4. Operation site..

1.5. Assembly

1.6.

Opening the printer..

1.7.

Removal of shipping screws..

1.8.

Removal

2. Construction and Location of the MX-85 Component

3. Setting of DIP swtiches and jumpers

3.1. Location of DIP switches and Jumpers..

3.2. Setting

3.3.

Setting of jumpers..

4. Power Supply..

5. Cartridge Ribbon Installation

6. Paper Holder Installation

7. Gap Adjustment OPERATION..

1. LF/FF Functions

2. Self-Test

3. On-Line Operation

4. Theory of Operation

4.1. Low paper..

4.2.

Paper empty..

4.3. 4K memory full..

5. Paper Tear-off MAINTENANCE AND PARTS REPLACEMENT Appendix A ASCII/Baudot Code Table.. Appendix B Baudot Code Table Appendix C Character Fonts..

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of the upper case

DIP switches - SW-A and SW-B..

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LIST OF FIGURES

Fig.

MX-85 Dot Matrix Printer

Fig.

Contents of Carton.. Fig. 3 Fig. Fig. 5 Fig. 6 Fig. Fig. 8 Fig. Fig. 10 Fig. 11 Fig. 12

Removal of Printer Cover

4 Removal of Shipping Screws.

Removing Manual Paper Feed Knob

Loosening All 4 Screws

Removing Wires Connected to Control Panel..

Construction of the Printer..

Location of DIP Switches..

Setting DIP Switches

Jumpers on the SMCT Board

Setting of Power Supply Voltage..

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Fig. 13 Cartridge Ribbon Setting Fig. 14 Cartridge Ribbon Setting

Fig. 15 Fig. 16 Fig. 17

Fig. 18

Fig. 19

Fig. 20

Fig.

Fig. 22

Examples of Correct and Incorrect Ribbon Setting..

Loading of Roll Paper (1). Loading of Roll Paper (2). Loading of Roll Paper (3) Cap Adjustment

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Switches and Indicators on Control Panel

Cutting Paper

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Replacement of Print Head

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LIST OF TABLES

Table Table Table 3 Table Table Table 6 Table 7

Function and Conditions of DIP Switch B

Function and Conditions of DIP Switch A

Baud Rate Selection.. 4 ASCII Code Table Selection.. 5

BAUDOT Code Table Selection..

Function and Conditions of Jumpers

25-pin EIA Connector..

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INTRODUCTION

The MX-85 Dot Matrix Printer is a highly versatile communication grade terminal printer, with the following features:

1. Print Speed: 80 CPS

2. Microprocessor controlled, logic seeking, bidirectional printing

3. Interface: Serial - RS-232C and 20 to 80 mA Current Loop

4. Transmission Code: ASCII and Baudot - 45.5 to 9600 baud

5. Buffer size: 4K Bytes

6. High quality and reliability

7. High density print quality - 9x7 Matrix

8. Operator replaceable, low cost dot head with 100x106 character life

9. Operator replaceable ribbon cartridge with 3x 106 character life - Black

10. Standard: Roll Paper Holder

11. Options: (1) Roll Paper Rewind (2) Tractor Feed

MX-85 Dot Matrix Printer

Fig. 1

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INSTALLATION

1. Unpacking & Set-up of MX-85

Before removing the MX-85 from the carton, check the box for evidence of shipping damage. If such evidence is present, notify the carrier immediately.

1.1. Unpacking

(1) Open carton. (2) Remove accessories; ribbon, manual, etc. (3) Grasp the MX-85 by, its underside and lift straight out with ‘packing material

attached. (4) Place the printer on a flat surface. (5) Carefully remove packing material.

(6) Remove the vinyl cover.

1.2. Repacking

Perform in reverse order of above.

NOTE:

Be sure shipping screws and protective sheet for paper sensor are reinstalled. It is highly recommended that all original material be retained for use in reshipment of the MX-85.

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1.3. Contents of carton

The Carton should contain the following:

1. MX-85 Printer

2. Cartridge Ribbon

3. Operation Manual

4. Roll Paper Holder

5. AC Power Cord

6. Filter Circuit Board

If there is any evidence of damage or missing items, contact the vendor from whom the printer was purchased to report the details.

6. Filter Circuit Board (Y4252O400000)

4. Roll Paper Holder

3. Operation Manual

1. MX-85 Dot Matrix Pritner

Fig. 2

Contents

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5. AC Power Cord

of Carton

1.4. Operation site

1. The MX-85 should be installed on a flat, firm surface with adequate room to the rear to accommodate the roll paper holder and paper rewind device if so equipped.

2. Care should be exercised in locating the MX-85 in areas where it will not be exposed to direct sunlight or where the environment contains grease or dust.

3. The MX-85 should not be located in the vicinity of noise generating equipment or

heat generating equipment.

4. Do not subject the MX-85 to temperatures below 5°C (41°F) or above 35°C (95°F)

during operation. Also avoid sudden changes in temperature and extreme shock.

1.5. Assembly

The following items will be necessary to complete the set-up of the MX-85 Printer.

1. Phillips #2 screwdriver

2. Flat blade screwdriver

3. Soldering iron (if jumper revision is necessary)

1.6. Opening the printer

With the Printer facing you, grasp the cover firmly on the left side with the right hand. While holding down the left side of the machine with the left hand, pull cover up. Reinstallation is accomplished by inserting the right side and pushing down on the left side of the cover.

Fig. 3 Removal of Printer Cover

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1.7. Removal of shipping screws

1. Turn the MX-85 upside down, exercising care so the paper release lever is not bent.

2. Remove the two (2) shipping screws from the lower case.

NOTE: These shipping screws should be retained for use during reshipment of the MX-85. They are necessary to prevent damage to the print mechanism which may be caused by shock or vibration during transportation.

Right Side of the Printer

Lower

Case

Shipping Screws

Fig. 4

Removal of Shipping Screws

1.8. Removal of the upper case

In order to check, or change, settings of the internal switches and jumpers, it is

necessary to remove the upper case.

NOTE: Before proceeding, be sure that the MX-85 is completely disconnected from external

sources. Also, adequately discharge any static electricity which may be present on

your person to prevent damage to any electronic components.

Remove the black roller knob on the right side of the printer by pulling straight out,

firmly and steadily.

2. Remove the printer cover, as directed previously, by pulling up on its left side.

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Pull out

Fig. 5

Removing Manual Paper Feed Knob

3. Turn the Printer upside down, observing caution with the paper roll release

4. Loosen the four (4) Phillips head screws located in the extreme corners of the bottom cover.

NOTE: Placing tape over the holes will prevent accidental loss of the screws when the Printer is inverted.

Turn the Printer right side up. Carefully lift the upper case from the left side. When the case is partially raised, reach in and pull control panel cable loose. Set the cover safely aside.

Phillips Head #2 Screwdriver

Fig. 6

Loosening All 4 Screws

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+ 25 hidden pages

Epson M X - 8 5 User Manual

TABLE OF CONTENTS

INTRODUCTION

INSTALLATION

Removal of Shipping Screws