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Epson MX-80F/T, Operation Manual

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Table 3

Functions and Conditions of DIP Switch 2

Pin

Function

ON

OFF

Factory-set

No.

Condition

   

 

 

 

 

 

 

 

 

 

 

 

 

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.

Table 4

Special Characters/Symbols Available for Selection

(using DIP Switch Pins 2-1 and 2-2)

SW2-1

SW 2-2

ON

ON

ON

OFF

OFF

ON

Country

U.S.A.

France

Germany

I

OFF

OFF

England

I

7. Parallel Interface

The MX-80 F/T includes a parallel interface as the standard equipment, and
this paragraph describes the parallel interface.

(1) Specifications

(a) Data transfer rate: 1000 CPS (max.)
(b) Synchronization:

By externally supplied STROBE pulses.

(c) Handshaking:

By ACKNLG or BUSY signals.

(d) Logic level:

Input data and all interface control signals are

compatible with the TTL level.

/

(2) Connector

Plug: 57-30360 (AMPHENOL)
It is recommended that interface cables be kept as short as possible.

(3) Connector pin assignment and descriptions of signals.

Connector pin assignment and descriptions of respective interface signals
are provided in Table 5.

- 2 8 -

Summary of Contents for MX-80F/T

Page 1: ...M X 8 0 F T EPSON DOT MATRIX PRINTER Operation Manual r 3 EPSON P8093033 1 ...

Page 2: ...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: ...osition setting 7 2 Roll paper 7 2 1 Roll paper holder 7 2 2 Loading of roll paper 7 3 Cut paper sheet 7 3 1 Loading of cut paper sheet 8 Gap Adjustment 9 Power Connection OPERATION 1 Switches and Indicators 1 1 Switches 1 2 Indicators 2 Buzzer 3 Paper End Detector 4 Self Test 5 Construction of MX 80 F T 5 1 Printer mechanism 5 2 Control circuit board 5 3 Power circuit 5 4 Printer initialization 6...

Page 4: ...MAINTENANCE 1 Preventive Maintenance 2 Parts Replacement SPECIFICATIONS SUMMARY OF CONTROL CODES APPENDIX Assembly Instructions on Roll Paper Holder 44 44 44 46 48 49 49 2 ...

Page 5: ... Fanfold Paper Set Completely 11 Fig 15 Example of Paper Arrangement 11 Fig 16 Top of Form Position Setting 12 Fig 17 Loading of Roll Paper 1 13 Fig 18 Loading of Roll Paper 2 14 Fig 19 Loading of Roll Paper 3 14 Fig 20 Loading of Cut Paper Sheet 15 Fig 21 Adjustment of Inserted Paper Position 15 Fig 22 Alignment of Side edges 16 Fig 23 Form Position Setting Mark 16 Fig 24 Print Area 16 Fig 25 Set...

Page 6: ... DIPSwitch 2 Table 4 Special Characters Symbols Available for Selection using DIP Switch Pins 2 1 and 2 2 Table 5 Connector Pin Assignment and Descriptions of Interface Signals Table5 cont Table 6 Coding Table Standard Table 7 Coding Table TRS 80 Table 6 Special Characters Symbols Table 9 DC 1 DC3 and Data Entry 22 27 28 28 29 30 32 33 34 38 4 ...

Page 7: ...sired size enlarged condensed emphasized normal etc The one chip microprocessor is engaged in performing all functions of the Printer and the two built in stepper motors of the MX 80 F T control the carriage and paper feeding functions respectively Therefore versatile software controls such as horizontal and vertical tabs and form feed are at your disposal The MX 80 F T is capable of S way paper h...

Page 8: ...ted contents missing or evident damage contact the store where you purchased the MX 80 F T as soon as possible 1 Power Cord European Type Operation Manual MX 80 F T Dot Matrix Printer 1 MX 80 F T 1 2 Separator 1 3 Cartridge Ribbon 1 4 Power Cord Only European Type 220 240V 1 5 MX 80 F T Operation Manual 1 Fig 2 Contents of Carton 2 ...

Page 9: ...F T requires reshipment in the future 3 Installation of the Printer 1 Operating site selection When installing the MX 80 F T observe the following instructions a b c d e Place the Printer on a bench tabletop or any other convenient flat sur face with enough room for the separator in the back of the Printer NOTE Rubber feet are provided to prevent the marring of the surface on which the MX 80 F T i...

Page 10: ... vibrations during transportation Therefore before operating the MX 80 F T remove the screws as de scribed below See Fig 3 STEP 1 Open the printer lid STEP 2 Remove with a screwdriver the two shipping screws visible inside the printer mechanism Shipping Screws Fig 3 Removal of Shipping Screws NOTE Save the two shipping screws for possible future use SUPPLEMENT 0 If the printer lid is an obstacle w...

Page 11: ...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: ...e cartridge ribbon setting be sure to hold the projection at the center of the cartridge case when pushing the cartridge ribbon down See Fig 5 Fig 5 Cartridge Ribbon STEP 4 Put the ribbon between the head nose and the ribbon mask In this case the ribbon can be set easily by hooking it to the edge of the head nose and turning the ribbon feeding knob of the cartridge case in the direction of the arr...

Page 13: ...is set properly Ribbon Mask Incorrect Incorrect Correct Fig 7 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 8 Separator Installation 7 ...

Page 14: ...lease the lock levers of the tractor unit by pulling in the direction as shown in Fig 9 STEP 2 Keep pulling the levers and pull up the tractor unit Lock lever Fig 9 Dismounting of Tractor Unit I To install the tractor unit hook the notches of the tractor frames onto the shaft shown in Fig 10 and then push down the tractor unit Fig 10 Mounting of Tractor Unit 8 ...

Page 15: ...t at the center of the shaft NOTE The paper guide roller contributes to smooth paper feeding STEP 5 Raise the two paper holding covers and be sure to insert the fanfold paper between the frame and plastic roller of the separator See Fig 11 I 1 Scale Fig 11 Insertion of Fanfold Paper STEP 6 Push the paper into the insertion slot between the paper guides at the rear part of the printer mechanism NOT...

Page 16: ... 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 Then push the paper holding covers and the two sprocket lock levers down See Fig 13 NOTE In this case confirm that the feeding pins are centered in the respec tive paper feed holes of the paper ocket Lock Lever Fig 13 Engagement of Paper Feed Holes on Feeding Pins 1 0...

Page 17: ...rdion style Course of Paper Fig 15 Example of Paper Arrangement 7 1 2 Removal of fanfold paper To remove the fanfold paper follow either of the two methods described below 1 To disengage the paper from the paper holding mechanism pull it forward out of the Printer 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 thi...

Page 18: ...irst line of the form is desired to be printed is at the print head level If at this point power is applied to the Printer this line position automatically becomes the Top of Form position When printing forms the matchmarks located on both the sprockets facilitate the setting of the Top of Form position on the fanfold paper To set the Top of Form position first enter or preprint a mark at a positi...

Page 19: ... roller is at the center of the sprocket shaft If not set it at the center of the shaft See Fig 17 NOTE The paper guide roller contributes to smooth paper feeding STEP 5 Insert the end of the roll paper between the frame and the plastic roller of the separator See Fig 17 STEP 6 Push the paper into the insertion slot between the paper guides at the rear part of the printer mechanism See Fig 18 NOTE...

Page 20: ... 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 If not set it at the center of the shaft NOTE The paper guide contributes to smooth paper feeding STEP 5 Insert the cut paper sheet between the paper guides at t...

Page 21: ...ockwise confirm that the paper advances straight up See Fig 21 Manual Paper Feed Knob Fig 21 Adjustment of Inserted Paper Position 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 22 1 5 ...

Page 22: ...e of the paper with the form position setting mark on the tractor unit See Fig 23 l s 1 i I l 4 I Fig 23 Form Position Setting Mark The print area on the cut paper sheet when printing it with the tractor unit installed is shown in Fig 24 210 mm 8 3 216 mm 8 5 We 1 28 6 or 30 2 mm kzs CDE 305 mm 2 1 Max Fig 24 Print Area 1 6 ...

Page 23: ...vided printing is left off with in 7 5 mm from the paper bottom edge 2 If the paper is set on the line marked 1 4as shown in Fig 25 then the printing starts from a position 28 6 mm below the top edge of the paper 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 li...

Page 24: ...sting lever backward in the direc tion by one step See Fig 27 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 2 220V AC 50Hz 3 240V AC 50Hz Before connecting the M...

Page 25: ...Head Adjusting Le Backward _ Fotward 4th step Head Adjusting Lever 7th step Fig 27 Gap Adjustment 1 9 ...

Page 26: ... the ON LINE mode and can be utilized in conjunction with a host computer Depressing the switch again will set the Printer in the OFF LINE mode The switch does not function while the Printer is actively engaged in printing The Printer is automatically placed OFF LINE if the paper supply is exhausted or if a mechanical error occurs in the Printer The operations of the Line Feed and Form Feed switch...

Page 27: ...The line feed operation is prohibited while the Printer is actively engaged in printing 1 2 Indicators POWER Illuminates while the Printer is receiving AC power READY Illuminates when the Printer is ready to receive data PAPER OUT Illuminates when the paper supply is near its end ON LINE Illuminates when the Printer is in the ON LINE mode 2 Buzzer The buzzer is located inside the Printer case and ...

Page 28: ...gnostic function to check the following 1 Print head operation and printing quality 2 Operation of the printer mechanisms motor cartridge ribbon mechanism belt etc The self test function is pre programmed and can be performed by turning the POWER switch on while depressing the LF switch All characters provided by the internal software are printed out on the paper by this operation 789 3 ABCDEFGHIJ...

Page 29: ...o move the print head to the next print column position and the other is to advance the paper 1 Stepper motor for head carriage The stepper motor for head carriage is controlled under LSI 8041 called slave CPU The CPU knows the current printing position at any given time and the print head is stopped at the last printing position Then the CPU seeks the shortest travel way to the next print line Th...

Page 30: ... 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: ...HI 0 m Hz 0 I H 0 D H 0 1 s 0 H 0 D H 0 m He 0 D H9 O 9 X 2SD986 Fig 30 Driver Circuit Diagram 2 5 ...

Page 32: ... driven by a TTL driver or its equivalent The minimum reset pulse width is 50 psec at the receiving terminal Upon application of the initialization signal the following sequence of events take place in the 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: ...itches Table 2 Functions and Conditions of DIP Switch 1 Pin No Function ON OFF Factory set Condition 1 Not applicable ON 2 CR Print Line Feed Print only Print Print only line feed ON 3 Buffer full Print Line Feed Print only Print Print only line feed ON 4 Cancel code Valid Invalid Invalid Valid OFF 5 Delete code Valid Invalid Invalid Valid ON 6 Error Buzzer Sounds Does not sound ON Character gener...

Page 34: ...h Pins 2 1 and 2 2 SW2 1 SW 2 2 ON ON ON OFF OFF ON Country U S A France Germany I 1 OFF OFF England I 7 Parallel Interface The MX 80 F T includes a parallel interface as the standard equipment and this paragraph describes the parallel interface 1 Specifications a Data transfer rate 1000 CPS max b Synchronization By externally supplied STROBE pulses c Handshaking By ACKNLG or BUSY signals d Logic ...

Page 35: ...pulse to read data in Pulse width These signals represent information of the 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: ...ernal fixing can be carried out with DIP SW 1 8 The condition at the time of shipment is set LOW for this signal NOTES 1 Direction refers to the direction of signal flow as viewed from the printer 2 Return denotes TWISTED PAIR RETURN and is to be connected at signal ground level As to the wiring for the interface be sure to use a twisted pair cable for each signal and never fail to complete connec...

Page 37: ... 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 Note that all the other pins of DIP switches 1 and 2 will not function irrespective of their ON OFF positions whenever the DIP switch 2 4 is turned ON for TRS 80 mode 3 Table 8 shows Special ...

Page 38: ...8 1000 CAN 8 H X h x CAN 9 1001 HT 9 I Y i Y HT A 1010 LF 5 J Z j z LF I B 1011 VT ESC K t k C VT ESC p L i L 1 I 1 D 1101 CR M 3 m CR E 1110 so N x n so F 1111 SI 0 0 DEL SI ...

Page 39: ... 16 5 charalinch D 1101 CR GS M 3 m E 1110 RS N n F 1111 us 0 0 DEL 5 charalinch print ESC 6 ESC 8 6 lines inch line feed i 8 lines inch line feed 1 ESC A ESC B I Long line mode 1 Short line mode ti ...

Page 40: ...rn When the CR code is transmitted to the print buffer all data stored in the print buffer is printed When AUTO FEED XT Pin No 14 is at LOW level or DIP switch pin 2 2 is ON the paper is advanced one line automatically after printing NOTE When 80 columns of print data including spaces are continuously re ceived and the following data is valid and printable the Printer automati cally begins to prin...

Page 41: ...he print buffer and advances the paper to the next predetermined Top of Form position T h e Top of Form is determined when the POWER switch is turned on or the l j i i signal is applied If the form length per page is not set by ESC C n it is regarded as 66 or 72 lines NOTE The form length of 72 lines per page is applicable to only the version marked with identifier code M72 on the rear side of the...

Page 42: ...ndensed enlarged characters double width of condensed characters can be printed This condition is cancelled by DC 4 code and the character size returns to condensed 1 DATA q ABCDEFGHIJKL m m PRINT ABCDEFGHI JKL 2 DATA Ax a DEF Isb GHIJKL CRI LF PRINTI fiBCDEFGH1 YKL 7 DC 4 Device Control 4 The DC 4 code cancels the SO mode DATA m ABCDEF m GHI a JKL CRI m PRINT ABCDEFG H I JKL 8 DC 2 Device Control...

Page 43: ...tch pin 1 5 on the control circuit board 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 13 DC 3 Device Control 3 The DC 3 code places the Printer in the Deselected state In other words it disables the Printer to receive data Once ...

Page 44: ...in No 36 of the interface connector is HIGH When SLCT IN is LOW the DC l DC 3 code is not valid 14 NUL Null The NUL code is regarded as the termination for tabulation setting sequence described in detail later 15 BEL Bell When the BEL code is input the buzzer sounds for about 3 seconds 16 Escape ESC control a Escape numerical control Input of an ESC code followed by an ASCII numeric code permits e...

Page 45: ... should be transmitted before the Printer runs out of paper After transmitting this code when the Printer runs out of paper the PE signal of the interface connector turns to High level the 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 t...

Page 46: ...accordance with the stored data the ESC 2 code should be followed Namely the ESC 2 code is considered as the execution command for the line spacing DATA AAAAAAA m LFI BBBBBBB jCRj m jm CCCCCCC a m DDDDDDD ESC1 CR m EEEEEEE m LFI FFFFFFF m B PRINT kr M r BBE EmBEl I 116 inch 12 steps 72 ccccccc DDDDDDI 1 I3 inch 24 steps 72 EEEEEEE NOTE How to input n When n is actually transferred to the Printer a...

Page 47: ... will be valid until new tab stops are specified If no tab stop is set the VT code behaves like the LF code Therefore the paper is advanced one line after printing Receipt of ESC B code causes the Printer to accept the following codes as tab stop line numbers until the NUL code is input The lack of the NUL code will cause incorrect data printout The form length must be set by ESC C n code prior to...

Page 48: ...than 80 is received in normal character printing mode all horizontal tab functions after 80 col umns are ignored To execute tab stop positions the HT code should be input The HT code is ignored when the horizontal tab position has not been programmed The NUL code should be input as the command for the termina tion of the tab set sequence and the lack of this code will cause incorrect data printout...

Page 49: ... CR1 m PRINT1 EIBCDEFGHI 2 DATA m 1 ABCDEFGHI m m PRINT FIBCDEFGH I 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 2 The paper is advanced by 1 216 inch 3 The print head prints the same character again In this way the character becomes bold 6 ESC F The ESC F code cancels the emphasized printing mode 7...

Page 50: ...cur which is not covered in this section the operator should contact the store from which the MX 80 F T was purchased 2 Print head In case of a print head trouble or a worn dot wire replace the print head unit as described below See Fig 33 NOTE Be sure to replace the print head after it has cooled STEP 1 Take off the printer lid and cartridge ribbon STEP 2 Turn the head lock lever clockwise and re...

Page 51: ... to hold this connector firmly to pull the head cable out straight Side View Take hold of the cable at the point ijjdicated by arrows e and apply force in either of the direc tions indicated by arrow M to push in or pull out the had cable Fig 33 Replacement of Print Head 4 5 ...

Page 52: ...tandard Optional 10 INKED RIBBON Color Type Life Expectancy 11 MCBF 9 x 9 Full 96 character ASCII with descenders plus 9 international characters symbols 64 block characters Characters per inch 10 5 16 5 8 25 Maximum characters per line 80 40 132 66 Friction feed or adjustable sprocket feed selectable manually 101 6 mm 4 to 254 mm 10 215 9 mm 8 5 3 mm 0 12 210 mm 8 3 to 216 mm 8 5 Rear Centronics ...

Page 53: ...Voltage 115V 60 Hz 220 240V 50 Hz Current 1 Amp maximum Power Consumption 100 VA maximum 14 PHYSICAL CHARACTERISTICS Height 133 mm 5 2 Width 374 mm 14 7 Depth 305 mm 12 0 Weight 7 0 kg 15 4 Ibs I Specifications subject to change without notice 4 7 ...

Page 54: ...uses the line spacing to be set at 7 72 inch ESC 2 27 50 1B 32 Causes the line spacing to be set at 1 6 inch This code is also a command to execute the predetermined line spacing mode ESC A 27 65 1B 41 Specifies the amount of line spacing in the Line Feed Execu tion command is ESC 2 3 Character designation code SO 14 DC 4 20 SI 15 DC 2 18 ESC E 27 69 ESC F 27 70 ESC G 27 71 ESC H 27 72 4 Other cod...

Page 55: ... in Fig 1 are contained in the carton Part name A Stand B Shaft C Base plate D Arc bearing E Screw grommet F Tension lever G Guide roller Fig 1 Component Parts of Roll Paper Holder QW 1 1 1 2 2 1 2 2 Fit each arc bearing D into stand A as shown in Fig 2 Fig 2 Fitting of Arc Bearings into Stand 4 9 ...

Page 56: ...se plate C must be placed on the stand I Fig 3 Mounting of Base Plate on Stand 4 Set tension lever F on stand A as follows 4 1 Hook the tension lever on the nose of stand A as shown in Fig 4 1 4 2 While pulling the tension lever up put the wire into the hole as shown in Fig 4 2 Fig 4 1 5 Fig 5 shows the Roll Paper Holder in the assembled state Fig 5 Assembled Roll Paper Holder 5 0 ...

Page 57: ... 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 I I Fig 7 Insertion of Shaft B into Roll Paper Core 8 Fig 8 shows the Printer with the Roll Paper Holder mounted thereto Fig 8 Printer with Roll Paper Holder 5 1 ...

Page 58: ...for a 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 This statement will be applied only for the printers marketed in the U S A ...

Page 59: ... 25 9103447390 EPSON AMERICA INC N Y 98 Cutter Mill Road Great Neck New York Phone 516 487 0660 Telex 25 510223 0743 EPSON DEUTSCHLAND GMBH EPSON U K LTD Am Seestern 24 Sherwood House 176 Northolt Road 4000 Dtisseldorf 11 South Harrow F R Germany HA2 OEB U K Phone 0211 593080 Telex 41 8584786 Phone 01 422 5612 Telex 8814169 PRINTED IN JAPAN 81 02 10 ...

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