Epson 420i Guia do Utilizador

HIGH SBUSINESSPEEDPRINTERUSER’SGUIDEEPSON AMERICA INC. SERVICE DIVISION

SWITCHES AND LAMPS1. POWER SwitchThe power switch is located at the rear,right-hand side of the printer.2. ON-LINE SwitchPressing this switch selects

Settings 1 to 9 have priority over the software designation. Software selection will beignored after setting this switch to 1~9. If the switch selecti

RIBBON CASSETTE REPLACEMENTInstalling the Ribbon Cassette1. Open the printer cover and push the paper pressure bar toward the platen asshown in Fig. 1

2. Set the head adjustment lever all the way forward. This lever may be moved easilyby pushing it outward.3. To attach the ribbon cassette to the prin

Removing the Ribbon Cassette1. Push the paper pressure bar towards the platen side. Pull the head adjustmentlever forward.Fig. 52. As shown in Fig. 6,

PAPER SETTING1. Rear feed (friction/tractor type)-used for fan-fold form, multiple copy sheets2. Bottom feed (tractor type)-used for fan-fold, multipl

2. Pull the paper pressure bar forward. Pull the tractor forward until it clicks. At thistime make sure that the friction lever is in the forward posi

5. Open both tractor lids, adjust the form holes so they match the tractor pins, andthen close the tractor lids.6. Determine the proper horizontal pos

Note 1: Recommended paper position is shown below.CORRECTINCORRECTFailure to position the paper correctly as shown above may result in a paper jam.Not

MAIN FUNCTIONSDetection Functions1. Cover SwitchThe printer cover open/close detection switch puts the printer in the OFF-LINE state.It outputs a BUSY

EPSON420iHIGH SPEED BUSINESS PRINTEREpson America, Inc.Computer Products Division2780 Lomita Blvd.Torrance, CA 90505(213) 539-9140

Self Test PrintingIf the ON-LINE switch is pressed at power-on and held until the initialization opera-tion ends, a given pattern is printed repeatedl

SELF TEST PRINT EXAMPLE (EPSON MODE)

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Double-Strike PrintingIn the double-strike mode, the second dot is printed 1/120 inch down from the initialdot on a vertical line. The double-strike p

PARALLEL INTERFACEInput ConnectorCable side connectorPrinter side connectorSignal DiagramDDK 36 pin 57-30360-D8 or equivalentDDK 36 pin 57-40360-12 or

(a) While performing initialization operations.(b) While the printer is inputting data with the STROBE signal.(c) During self test printing.(d) When t

2. Input / Output Conditions(a) Input Signals• INITIAL signal and STROBE signal(b) Output Signals• BUSY, ACK, ERROR, P.EMP signals.3. Signal Cable Len

Timing Chart(a) Data input(b) InitializationDIP Swtich SettingThe parallel interface is selected when DIP switches 1-1 and 1-2 are set as follows:21

SERIAL INTERFACEInput ConnectorCable side connector 25 pin (male)Printer side connector 25 pin D-SUB type (female)Note 2)Note 2)Note 1)Note 1)Note 1:

Input/Output Signal Descriptions1. Printer Input Signals* RD (RECEIVED DATA)This line is the data reception line for the serial signals from the compu

WARNING:“This equipment has been certified to comply with the limits for a Class bcomputing device, pursuant to Subpart J of Part 15 of FCC Rules. Onl

Electrial Conditions1. Signal LevelONOFFSpace+3V ~ +15VMark-3V~-15V2. Input/Output Conditions• Input signal• Output signalHandshake ProtocolHandshake

3. ETXlACK ProtocolThe printer sends an ACK (O6HEX) to the computer in response to the data blockseparated by ETX (03HEX) which was sent by the comput

DIP SWITCH SETTINGThe Epson 420i has two banks of eight DIP switches located on the back of the printernext to the interface connectors. The switch ba

* Baud Rate Selection * Parity Selection * Parity Error SelectionDIP Switch Bank 2This bank of switches selects some of the other features of the Epso

* Skip-over Perforation SelectionSkip-over perforationSkip PerforationSW 2-3DisabledOFFEnabledON * Operating Mode SelectionSelect operating modePrint

The international character set selection does not become valid until the printeris turned ON once again. The table below shows the international char

CODE TABLEThe control code tables for the Epson and IBM (character set 1 and 2) modes areshown below.CODE TABLE (EPSON MODE)30

CODE TABLE (IBM CHARACTER SET 1)31

CODE TABLE (IBM CHARACTER SET 2)Note: Encircled characters are selected by the DIP switches.32

CONTROL CODE SUMMARYCATEGORYITEMSYMBOLSHEX (DECIMAL) CODEFUNCTIONPRINTCOMMANDSCHARACTERDESIGNATIONSCHARACTERFORMATDESIGNATIONSDOUBLE-WIDTHMODE33

INTRODUCTIONThe Epson 420i is a high speed business printer which is usable with almost all commer-cial software, including word processing and graphi

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Relationship among the font, bold, double-strike and double-width functions is shownin the table below.0: Can be used simultaneouslyx: Cannot be used

Differences between the Epson Printer mode and the IBMGraphics Printer modeSelecting one of the two mode (Epson Printer or IBM Graphics Printer mode)

PRINT MODE FLOWCHART* 16 CPI refers to condensed printingNote: 1) Italic print mode is set byand terminated by2) This flow chart is valid only when th

CONTROL CODE EXPLANATIONPrint Commands1. (0D)H (13)D, (8D)H (141)DInput of this code initiates printing. DIP SW2-2 indicates whether or not a lin

Character Designation Commands6. (1B, 50)H (27, 80)D, (9B, D0)H (155, 208)DInput of this code selects the 10 CPI pica print mode.7.

15. (1B, 21, n)H (27, 33, n)FThis code allows you to select multiple print styles (i.e., pica-italic-underlined) withone command. The value

19. (1B, 48)H (27, 72)D, (9B, C8)H (155, 200)DThis code terminates double-strike mode.20. (1B, 58, n)H (27, 88, n)D, (98, D8, n)H (1

28. (14)H (20)D, (94)H (148)DThis code terminates the double-width print mode code.29. (1B, 57, n)H (27, 87, n)D, (9B, D7, n)

32. (1B, 6B, n1, n2)H (27,107, n1, n2)D, (9B, EB, n1, n2)H(155, 235, n1, n2)DThis code selects high density graphic mode. The maximum

PRECAUTIONS FOR USE• When using fan fold paper, the friction lever should be positioned to the front.• Do not apply undue force to the transparent pri

35. (1B, 5A, n1, n2)H (27, 90, n1, n2)DThis code prints quadruple-density dot graphics at 240 dots per inch. The valuesof n1 and n2 de

39. (1B, 6C, n)H (27,108, n)D, (9B, EC, n)H (155, 236, n)DThis code sets the left margin, The n selects the column with the present char

44. (1B, 2F, m)H (27, 47, m)D, (9B, AF, m)H (155, 175, m)D0 [ m [ 7. This code selects the vertical tab channel. When m = 0, the vertical t

Buffer Clear Command52. (18)H (24)D, (98)H (152)DThis code deletes the print data that has already been input. However, the controlcodes are stil

Data Delete Command59. (7F)H (127)D, (FF)H (255)DThis code deletes one character worth of data. This code is ignored during the pro-portional pri

Print Direction Command64. (1B, 55, n)H (27, 85, n)D, (9B, D5, n)H (155, 213, n)DThis code selects unidirectional printing from the left t

PROGRAM EXAMPLES50

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CONTENTSOUTLINE...1SWITCHES AND LAMPS...

11.Termination of condensed13.Subscript14. Termination of superscript/subscriptRefer to 13.55

15.Elite, double-strike, italic16.Bold17. Termination of boldRefer to 16.56

18.Double-strike19.Termination of Double-strikeRefer to 18.57

20.High quality21.High quality ON/OFF56

22. Italic23.Termination of ItalicRefer to 22.59

24. IBM character Set 125.IBM character Set 260

26. Double width27.Double-widthRefer to 26.26.Termination of double-widthRefer to 26.29. Double width61

30.Standard graphic31.Double-density graphic32.High density graphic62

33.Selected density dot graphics63

OUTLINEPRINTING OPERATION1. Printing MethodImpact dot matrixBidirectional logic seeking printing2. Printhead8 Pins3. Character Fonts(140 characters in

34.High-speed, double-density dot graphics35.Quadruple-density dot graphics64

36.Horizontal tab setting37.Horizontal tab38.Right margin65

40.Page length in lines41.Page length in inchesRefer to 3.42.Vertical tab settingRefer to 4.66

43.Channel vertical tab setting44.Channel selection of vertical tabRefer to 4367

45.1/8 inch line feed46.7/60 inch line feed47.1/6inch linefeed88

50.n/120 line spacing70

51.Underline52. Buffer clear53.Back space71

54.8th bit 0 (Epson only)55.8th bit 1 (Epson only)72

56.8th bit valid (Epson only)57.skip-over perforation73

Detailed Summary of Character Fonts2

56.Termination of skip-over perforationRefer to 57.59.Data delete60.Home positioning61.International character (Epson only)75

62.Buzzer63.Reset76

APPENDIXINPUT DATA DUMP IN HEXADECIMALThere is a function of printing input data from a computer in hexadeciamal codes.Therefore, it is possible to ch

LIMITED WARRANTYEpson America, Inc. hereby warrants that it will repair or replace, at its option, any part of the Epsonproduct with which this warran

EPSONEPSON AMERICA INC.

6. Paper Feed Function and Form WidthPin feed method (form width may vary) 5”-15.5”Friction feed method 11”7. Line Feed PitchMinimum 1/180”8. Line Fee