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Epson MX-80F/T Operation Manual

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M X - 8 0 F / T
EPSON DOT MATRIX PRINTER
Operation Manual
EPSON
P8093033-1

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Summary of Contents for Epson MX-80F/T

  • Page 1 M X - 8 0 F / T EPSON DOT MATRIX PRINTER Operation Manual EPSON P8093033-1...
  • Page 2 Copyright 0 1981 by EPSON, Shinshu Seiki Co., Ltd. Nagano, Japan “All rights reserved” *The contents of this manual are subject to change without notice. TRS-80 is the registered trademark of Radio Shack, a Division of Tandy Corporation.

  • Page 3: Table Of Contents

    5. Construction of MX-80 F/T ..5.1. Printer mechanism....5.2. Control circuit board....
  • Page 4 MAINTENANCE ......1. Preventive Maintenance....2.
  • Page 5 EPSON MX-80 F/T Dot Matrix Printer ......1 Fig. 1 Contents of Carton..........
  • Page 6 Table 1 Interface Signals in Paper-Out Status ......Table 2 Functions and Conditions of DIPSwitch 1..... . Table 3 Functions and Conditions of DIPSwitch 2.

  • Page 7: Introduction

    INTRODUCTION The EPSON MX-80 F/T Dot Matrix Printer is a highly versatile, general-purpose and computer-grade printer featuring 80 CPS bi-directional printing with logical seeking capability and 9 X 9 dot-matrix character formation. The MX-80 F/T accepts the ASCII 96 codes and codes for special characters/symbols (e.g.. b; C 2). It also accepts codes for 64 graphic patterns.

  • Page 8: Installation

    The MX-80 F/T and standard accessories are as shown in Fig. 2. Upon unpack- ing, if you notice any listed contents missing or evident damage. contact the store where you purchased the MX-80 F/T as soon as possible. MX-80 F/T Dot Matrix Printer 1. MX-80 F/T 2. Separator 3.

  • Page 9: Unpacking

    STEP 3. Remove the MX-80 F/T by holding its underside and lifting it straight up with the packing material attached. STEP 4. Place the Printer with the packing material on a table or any other con- venient flat surface. STEP 5. Take off the packing material carefully.

  • Page 10: Fig. 3 Removal Of Shipping Screws

    Step 1. Stand the printer lid upright. Step 2. Push the printer lid toward the right and pull up its left side. (See Figs. 4 (1) and (2).) Shipping Screws...

  • Page 11: Fig. 4 Removal Of Printer Lid

    Printer Lid (1) Standard (2) Option Fig. 4 Removal of Printer Lid NOTE: The printer lid shown in Fig. 4 (2) is an optional accessory. - 5 -...

  • Page 12: Cartridge Ribbon Setting

    4. Cartridge Ribbon Setting EPSON’s Cartridge Ribbon is compact, long-lasting, and very easy to set and remove. Furthermore, you have no need to soil your fingers in handling it. STEP 1. Open the printer lid (or remove it). STEP 2. Confirm that the scale (paper retainer) is turned toward the platen and is touching.

  • Page 13: Separator Installation

    Examples of Correct and Incorrect Ribbon Setting 5. Separator Installation The separator of the Printer contributes to smooth paper feeding. Set the sepa- rator by inserting its edge into the two holes located at the rear part of the paper feeding mechanism. (See Fig. 8.) Fig.

  • Page 14: Dismounting Of Tractor Unit

    6. Dismounting of Tractor Unit The tractor unit of the MX-80 F/T is detachable. If it is an obstacle when using roll paper, it can be taken out as follows; STEP 1. Release the lock levers of the tractor unit by pulling in the direction as shown in Fig.

  • Page 15: Paper Loading

    STEP 2. Unlock the release lever by pulling it in the direction of the arrow. (See Fig. 11.) STEP 3. Pull the scale toward the front of the Printer to detach the scale from the platen. STEP 4. Confirm that the paper guide roller is at the center of the sprocket shaft, If not, set it at the center of the shaft.

  • Page 16: Fig. 12 Raising Of Sprocket Lock Levers

    STEP 8. Raise the two sprocket lock levers to loosen, and adjust the sprocket pin position to the paper width. (See Fig. 12.) Paper Holding Cover ket Lock Lever Fig. 12 Raising of Sprocket Lock Levers , STEP 9. Engage the paper feed holes of the paper on the feeding pins, push the scale back into position, and adjust the tension of the paper.

  • Page 17: Removal Of Fanfold Paper

    NOTE: Do not attempt to pull out the paper in the backward direction. (2) Feed the paper out of the Printer by electrical operation. For this, turn the Power Switch on and push the Line Feed button. (Details are described later.1...

  • Page 18: Column Layout On Fanfold Paper

    At this point, turn the Power Switch on and the Printer will recognize this position as the Top of Form position. Now, the printing can be started from the Top of Form position.

  • Page 19: Roll Paper

    7.2. Roll Paper 7.2.1. Roll paper holder EPSON offers the roll paper holder as an optional accessory for the MX-80 F/T. See Appendix for the assembly instructions on Roll Paper Holder. 7.2.2. Loading of roll paper The MX-80 F/T accommodates a roll of single ply paper measuring 8.5f0.12 in.

  • Page 20: Cut Paper Sheet

    STEP 1. Raise the printer lid. STEP 2. Unlock the release lever. (See Fig. 20.) STEP 3. Pull the scale toward the front of the Printer to detach the scale from the platen. (See Fig. 20.) STEP 4. Confirm that the paper guide roller is at the center of the sprocket shaft.

  • Page 21: Fig. 20 Loading Of Cut Paper Sheet

    Fig. 20 Loading of Cut Paper Sheet STEP 6. Lock the release lever. STEP 7. While turning the manual paper feed knob clockwise, confirm that the paper advances straight up. (See Fig. 21.) Fig. 21 If not, adjust the inserted paper position as follows: (a) If the cut paper sheet or form is long enough, unlock the release lever and align the side edges of the paper as shown in Fig.

  • Page 22: Fig. 22 Alignment Of Side Edges

    Fig. 22 Alignment of Side edges (b) If the cut paper sheet or form is not long enough to align the side edges, align the top edge of the paper with the form position setting mark on the tractor unit. (See Fig. 23.) 1 i .

  • Page 23: Fig. 25 Setting Of Cut Paper Sheet

    If the paper is set on the line marked 1/8. then the printing starts from a position 30.2 mm below the top edge of the paper. STEP 8. Push the scale back into position and put the printer lid on the Printer. (See Fig. 26.) Setting of Cut Paper Sheet...

  • Page 24: Gap Adjustment

    (4) When a set of carbon paper sheets is used, be sure that no characters are printed within the area two lines each above and below the perforation. 9. Power Connection The EPSON MX-80 F/T Dot Matrix Printer is capable of operating on the follow- ing three types of AC power. (1) 115V AC, 60Hz...

  • Page 25: Fig. 27 Gap Adjustment

    Head Adjusting Le 4th step @Backward _ Fotward @ Head Adjusting Lever 7th step Fig. 27 Gap Adjustment - 1 9 -...

  • Page 26: Operation

    There are three switches and four indicators (green LED’s) on the control panel and one power switch on the right side of the Printer case. In this section, panel operating procedures are covered in sufficient detail for the user to become familiarized with the Printer.

  • Page 27: Indicators

    Illuminates when the paper supply is near its end. LINE: Illuminates when the Printer is in the ON-LINE mode. 2. Buzzer The buzzer is located inside the Printer case, and sounds under the following conditions. It sounds for about 3 seconds when the Printer receives BEL BEL code: code.

  • Page 28: Self-Test

    30 seconds to alert the operator. After the buzzer stops, paper advancement can be performed by depressing the LF switch. After setting new paper in the Printer, depress the ON LINE switch so that the Printer may resume operation. There is another way to start the Printer again when it falls into paper-out status.

  • Page 29: Construction Of Mx-80 F/T

    In this case, connect pin Nos. 2, 4, 7 and 9 to pin No. 33. 5. Construction of MX-80 F/T The EPSON MX-80 F/T Dot Matrix Printer consists of the following three major functional blocks. (1) The model 3310 printer mechanism...

  • Page 30: Fig. 29 Control Circuit Diagram

    5.2. Control circuit board In this paragraph, the printer LSI circuitry is outlined. The control circuit diagram is shown ‘in Fig. 29, and the driver circuit diagram in Fig. 30. Fig. 29 Control Circuit Diagram - 2 4 -...

  • Page 31: Fig. 30 Driver Circuit Diagram

    HI 0 Hz 0 H, 0 H, 0 “s 0 H, 0 H, 0 He 0 H9 O- Fig. 30 Driver Circuit Diagram 9 X 2SD986 > - 2 5 -...

  • Page 32: Power Circuit

    Printer. (a) The print head returns to its home position. (b) The Printer is automatically placed ON-LINE, unless it is out of paper. (c) The print buffer is cleared. (d) The line spacing is set at 1/6 inch.

  • Page 33: Setting Of Dip Switches

    8. Setting of DIP Switches There are two DIP switches on the control circuit board. In order to suit the user’s specific requirements, desired control modes are selectable by the DIP switches. The functions of the switches and their preset conditions at the time of shipment are as shown in Table 2 (DIP Switch 1) and Table 3 (DIP Switch 2).

  • Page 34: Parallel Interface

    Table 3 Selectors - fSee Table 8) AUTO FEED XT signal Coding table select NOTE: When DIP Switch pin 2-4 is set to the “ON” position (for TRS-80 mode), all the other pins of the DIP switches 1 and 2 will not function irrespective of these ON/OFF positions.

  • Page 35: Table 5 Connector Pin Assignment And Descriptions Of Interface Signals

    1st to 8th bits of parallel data respectively. Each signal is at “HIGH” level when data is logical “1” and “LOW” when logical “0”. A “HIGH” signal indicates that the printer (The signal level can be fixed to “LOW” - 2 9 -...

  • Page 36: Table5 (Cont.)

    4. Data transfer must not be carried out by ignoring the ACKNLG or BUSY signal. (Data transfer to this printer can be carried out only after con- firming the ACKNLG signal or when the level of the BUSY signal is “LOW”.)

  • Page 37: Coding Tables

    DIP switch pin 2-4 to the OFF position. This DIP switch pin is factory-set to the OFF position. (2) When the DIP switch pin 2-4 is turned ON, the Printer behaves as a com- pletely compatible printer to the Tandy Personal Computer TRS-80. The available codes in this case are shown in Table 7.

  • Page 38: Table 6 Coding Table (Standard)

    1000 1001 1010 1011 1101 1110 > 1111 ’...

  • Page 39: Table 7 Coding Table (Trs-80)

    1101 1110 > 1111 : 16.5 charalinch 5 charalinch print 6 lines/inch line -ESC 6 : feed -ESC 8 : 8 lines/inch line feed -ESC A : Long line mode Short line mode .ESC B :...

  • Page 40: Control Codes

    9. Control Codes Various kinds of control codes are contained in Tables 6 and 7. These control codes are recognized by the MX-80 F/T, and the Printer performs specified functions upon receipt of these codes. The following are descriptions of respective control codes.
  • Page 41 For example, if the data is transferred in the order of DATA-+CR+ LF. DATA will be printed by the CR code, and when the Printer receives the LF code, it only carries out one line feed.
  • Page 42 (6) SI (Shift In) When the SI code is input, all data that follows it will be printed out in con- densed characters. This code is cancelled by the input of “DC 2” code. The SI code can be input at any column position on a line, but all characters/ symbols on the line containing SI code are printed out in condensed characters.
  • Page 43 (12) DC 1 (Device Control 1) The DC 1 code places the Printer in the Selected state. With the Printer is in the Selected state, if the DC 1 code is input during data transfer, all data stored before the DC 1 code is ignored.

  • Page 44: Table 9 Dc 1 /Dc3 And Data Entry

    Table 9 NOTES: 1. In Table 9, it is assumed that as soon as the Printer receives data. it sends back the ACKNLG signal, though this data is not stored in the print buffer. In this status, the Printer is waiting for the DC 1 code for normal entry.
  • Page 45 ERROR signal remains at High level. 5) ESC 9(Escape 9) This code cancels the ESC 8 condition. When the power is turned on, the Printer is initialized into ESC 9 status. Therefore, the Printer cannot receive data when there is no paper.
  • Page 46 The ESC A code is the command only to store spacing data into the memory. In other words, even if spacing data was transferred into the memory, the Printer does not actually carry out the line spacing in accordance with the spacing data. To execute the line spacing in accordance with the stored data, the ESC 2 code should be followed.
  • Page 47 (ld<n>lo<66,1dkd64,nkdnk+l) This code specifies the vertical tab stop positions. The first 64 valid tab stops per page are recognized in the Printer; subsequent tab stops are ignored. A tab stop set at a line exceeding the form length is ignored. Tab stop numbers must be received in incremental numerical order.
  • Page 48 4 ) E S C D+nl+nz+. +nk+NUL (19<n>lo9127. ksl12) This code specifies the horizontal tab stop positions. The first 112 tab stops per line are recognized in the Printer, and subsequent tab stops are ignored. Tab stop numbers must be received in incremental numerical order.
  • Page 49 6) ESC F The ESC F code cancels the emphasized printing mode. 7) ESC G The ESC G code causes the Printer to perform the double printing. Double printing is carried out in the following manner. 1) A character is printed.

  • Page 50: Maintenance

    1. Preventive Maintenance Preventive maintenance for the MX-80 F/T consists basically of cleaning. The Printer should be cleaned with a soft brush to remove paper dust and particles after every three months of use. The exterior surface of the Printer can be cleaned by using a mild detergent and water solution.

  • Page 51: Fig. 33 Replacement Of Print Head

    Head Lock (Side View) Fig. Head Replacement of Print - 4 5 - Head Print Head Unit Cable Terminal Board Head Connector ‘Be sure to hold this connector firmly to pull the head cable out straight. ‘Take hold of the cable at the point ijjdicated by arrows e and apply force in...

  • Page 52: Specifications

    SPECIFICATIONS (1) PRINT METHOD: (2) PRINT SPEED: (3) PRINT DIRECTION: (4) NUMBER OF PINS IN HEAD: (5) LINE SPACING: (6) PRINTING CHARACTERISTICS Matrix: Character Set: Graphic Character: (7) PRINTING SIZES Normal: Enlarged: Condensed: Condensed Enlarged: (8) MEDIA HANDLING Paper Feed: Paper Width Range Fanfold paper: Roll paper:...
  • Page 53 SPECIFICATIONS (continued) (13) POWER REQUIREMENT Voltage: Current: Power Consumption: (14) PHYSICAL CHARACTERISTICS Height: W idth: Depth: Weight: Specifications subject to change without notice. 115V. 60 Hz 220/240V, 50 Hz 1 Amp maximum 100 VA maximum 133 mm (5.2”) 374 mm (14.7”) 305 mm (12.0”) 7.0 kg (15.4 Ibs.) - 4 7 -...

  • Page 54: Summary Of Control Codes

    Control code data is sent to the MX-80 F/T along with character code data via the input data lines. Control codes are sent as data, and are interpreted as instructions by the Printer. The following is a summary of control codes and control code sequences recognized by the MX-80 F/T.

  • Page 55: Appendix

    Assembly Instructions on Roll Paper 1. Confirm that all the component parts shown in Fig. 1 are contained in the carton. Fig. 1 2. Fit each arc bearing D into stand A as shown in Fig. 2. Fig. APPENDIX Holder Part name Stand.
  • Page 56 3. Put base plate C on stand A and secure it by inserting two screw grommets E to the corresponding square holes as shown in Fig. 3. In this case, take note of the direction in which base plate C must be placed on the stand. Fig.
  • Page 57 6. Set the Roll Paper Holder to the Printer by aligning the base plate with the knots located at the bottom of the printer. Fig. 6 7. Fig. 7 shows how to insert shaft B into the core of the roll paper.
  • Page 58 Class B computing device, pursuant to Subpart J of Part 15 of FCC Rules. Only computers certified to comply with the Class B limits may be attached to this printer. Operation with non-certified computers is likely to result in interference to radio and TV reception.”...
  • Page 59 EPSON OVERSEAS MARKETING LOCATIONS EPSON AMERICA, INC. (L.A.) 23844 Hawthorne Blvd., Torrance, Calif. 90505 Phone: (213)378-2220 Telex: (25)9103447390 EPSON DEUTSCHLAND GMBH Am Seestern 24 4000 Dtisseldorf 11, F.R. Germany Phone: 0211-593080 Telex: EPSON SHINSHU SEIKI CO., LTD EPSON AMERICA, INC. (N.Y.)

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