Radio Shack EC-295 Specifiche

International characters summaryASCII locations 0 to 31 and 128 to 159 store the international char-acters that are needed for sets other than the one

Print headand dot graphics, 132-133and dot matrix printing, 50life of, 16, 324, 328replacement, 324-325Print modes. See ModesPrint pitch summary table

SSchematic, 331Script Mode, 71-72ESCape “S0” turns Superscript Mode on. ESCape “S1” turns SubscriptMode on. ESCape “T” turns either Script Mode off.Se

Temperature, 329Testautomatic, 35-36for seven-bit system, 309Top of form, 31-33, 103-104CHR$(12) sends the paper to top of form. ESCape “C” resets it

wWidthof characters, 256-270statements, 313-314Word processing, 36, 321-322Zero, slashed, 23Z349

Control Codes by FunctionPrint Width CommandsCHR$(27)"M"Turns Elite Mode ON.CHR$(27)“P”Turns Elite Mode OFF.CHR$(15) [^O]Turns Compressed Mo

Forms Control CommandsCHR$(12) [“L]Produces a form feed.CHR$(13)Produces a carriage return.CHR$(27)“8”Turns the paper-out sensor OFF.CHR$(27)“9”Turns

CHR$(27)”%“CHR$(n1)CHR$(n2)Selects a character set: n1 selects ROM (0) or RAM (1); n2 is 0.CHR$(27)“&”CHR$(n)CHR$(c1)CHR$(c2)CHR$(A)CHR$(d1) ... C

ASCII CodesDecHexDec00010120230340450560670780890910OA11OB12OC13OD14OE15OF1610171118 1219 13201421152216231724182519261A271B281C291D301E311F32 2033213

Dec HexCharacteror Function174AE,175AF/176BO0177B11178B22179B33180B44181B55182B66183877184B88185B99186BA:187BB;188BC<189BD=190BE>191BF?192CO@19

ASCII Character MatrixesAs in the summaries above, this section follows the ASCII codearrangement, but this time we show the codes only as they are as

HexCharacterWidthDecHexCharacterWidthDec12OC13OD14OE221623172418251915OF16812121210111718271B281C192010111213141212121110111212122115261A12291D12257

Dec Hex Character Width Dec Hex Character Width3031323334353637381E1F20212223242526121212581212121239 2740 284129422A432B442C452D46 2E472F566121271261

Dec48Character4950515253545556Hex303132333435363738Character2345678Width Dec Hex1257398583A1212121212593B603C613D623E633F121264654041Width126610121012

DecHex8454Character855586 56875788 5889599091925A5B5CWidthDecHex12935DCharacter12945E12955F12966010976112986210109910010163a6465Widtha1212512111111122

Dec Hex Character102 66f103 67g104 68h105 69i106 6A107 6B108 6C109 6D110 6EjopqrstuvwklmnWidthDecHex101116F11112701111371a114 729115 731011674a1177512

Dec Hex120 78121 79122 7A123 7B124 7C125 7D126 7E127 7F128 80CharacterWidthDecHex101298112109591212111308213183132841338513486135871368813789Character

Dec Hex Character WidthDec Hex Character Width1388A1398B1408C1418D142 8E1438F144901459114692121212121111121112147931489414995150961519715298153991549

FCC COMPLIANCE STATEMENTFOR AMERICAN USERSThis equipment generates and uses radio frequency energy and if not installed and usedproperly, that is, in

Dec Hex1569CCharacter1579D1589E1599F160A0161Al162A2163A3164A4WidthDecHex12165A51211121210101211166A6167A7168A8169A9170AA171AB172AC173ADCharacterWidth1

Dec174175176177178179180181182Hex CharacterAEAFB0BlB2B3B4B5B6Width7101291212121211DecHex183B7Character184B8185B9186BA187BB188BC189BD190191BEBFWidth121

Dec Hex Character Width210D2R211D3S212D4T213D5U214D6 V215D7W216D8X217D9Y218DA Z121212121112121212Dec219220221222223224225226227HexDBDCDDDEDFE0E1E2E3Ch

Dec HexCharacter228 E4229 E5230 E6231 E7232 E8233 E9234 EA235 EB236 ECWidthDecHex12237ED11121111238EE239EF910119240FO241F1242 F2243 F3244 F4245 F5Char

Dec Hex Character WidthDec Hex Character Width246 F6247 F7248F8249F9250FA251FB252FC253FD254 FE10121211121091012255 FF12270

Appendix BControl Codes in Numeric OrderYou activate an FX control code by using LPRINT CHR$(n), wheren is the number in the decimal column below. Whe

ESC Dec Hex Symbol Function- 11 0B VT-12 0C FF-13 0D CR-14 0E SO- 15 0F SI-1711DC1-1812DC2-19 13DC3-2014DC4-2418CAN-271B ESCVertical tab. Empties the

ESC Dec Hex Symbol FunctionESC 33 21 !Master Print Mode Select (Master Select).Selects 16 unique print mode combinations.Format:CHR$(27)” ! “CHR$(n)wh

ESC Dec Hex Symbol FunctionESC 47 2F /ESC4830 0ESC49311ESC 50 32 2Selects a vertical tab channel.Format:CHR$(27)“/“CHR$(n)where n= 0 - 7.Sets linespac

PrefaceThe User’s Manual for the FX Series Printers consists of two vol-umes: Tutorial and Reference. This volume is the Reference, whichcontains the

ESC Dec Hex Symbol FunctionESC 61 3D =ESC 62 3E >ESC 63 3F ?ESC64 40@ESC6541AESC6642BESC 67 43 CESC 67 43 CSets the eighth bit to 0 (limits the ran

ESC Dec Hex Symbol FunctionESC 68 44 DResets the current tabs and sets up to 32horizontal tabs in the current pitch. Tabs mayrange up to the maximum w

ESC Dec Hex Symbol FunctionESC 75 4B KTurns Single-Density Graphics Mode ON.Prints 480 dots per 8-inch line. Format:CHR$(27)“K”CHR$(n1)CHR$(n2);follow

ESC Dec Hex Symbol FunctionESC 81 51 QESC 82 52 RSets the right margin. Also cancels all textthat is in the print buffer. Format:CHR$(27)“Q”CHR$(n)whe

ESC Dec Hex Symbol FunctionESC 89 59 YTurns High-Speed Double-Density GraphicsMode ON; gives the same density asCHR$(27)” L”, but cannot print two adj

ESC Dec Hex Symbol FunctionESC 106 6A jESC 108 6C IESC 112 70 pESC 115 73 s-127 7F DELOn the FX-80 only, causes an immediatereverse line feed in an in

The printer’s high-order control codes from 128 to 155 and 255 mir-ror their low-order counterparts (0 - 27 and 127). For ready reference,both sets ar

282

Appendix CControl Codes by FunctionThis Appendix shows the same control codes as Appendix B, butthis time arranged by categories before ASCII order. I

Print EnhancementCHR$(27)“S0”Turns Superscript Mode ON.CHR$(27)“S1”Turns Subscript Mode ON.CHR$(27)“T”Turns either Script Mode OFF.CHR$(27)"-0”Tu

iv

CHR$(27)” < ”CHR$(27)” = ”CHR$(27)” > "CHR$(27)“ U0 ”CHR$(27)“Ul”CHRS(27)“i0”CHR$(27) “il”CHR$(27)“s0”CHR$(27)“sl”CHR$(127)Turns One-Line U

Page FormatCHR$(9) or CHR$(137)Activates a horizontal tab.CHR$(1l)Activates a vertical tab.CHR$(27)" / “ CHR$(n)Selects a vertical tab channel.CH

Appendix DControl Code ComparisonThe first part of this appendix consists of a chart of the commandsused on Epson printers. It shows similarities and

288

Epson Model DifferencesIn this discussion of software and hardware differences between theMX III, the FX and the RX, the command name (backspace, vert

CHR$(15) - Compressed Mode selectionOn the MX III, prints 132 characters per 8-inch line.On the FX-80 and RX-80, prints 132 characters per 8-inch line

Escape”/” ,“B”, and “b” - Vertical tabbingOn the FX and RX-100 only lets you set up to 16 vertical tabs andstore up to eight vertical tab channels in

Escape ” G” - Double-Strike Mode selectionOn the MX III, FX-100, and RX, moving in and out of Double-Strike Mode on one line produces a descent of one

ESCape ”Y" - High-Speed Double-Density Graphics Mode selectionOn the FX and RX, prints ESCape”L” graphics at twice the usualspeed. There is one

ESCape”s”- Half-speed printingOn the FX, prints at half the normal speed, which results in 80 char-acters per second.On the RX, prints at half the nor

FX Series Printer User’s ManualVolume 2 ContentsPreface ...iiiList of Figures . . . . . . . . . . . . . . . . . . .

Appendix EDefaults and DIP SwitchesIn this Appendix we list the default settings for your printer, show-ing which settings you can change and the way

*2K buffer available for user-defined characters* l Paper-out sensor on*Non-slashed zero (although there’s no code for “turning on”slashed zero, you c

Table E-1. DIP switch functionSwitch 1Note: Theshaded boxes show the factory settings.OFFFigure E-Z. Factory setting of the DIP switchesExamining the

Table E-2. International DIP switch settingsSee Chapter 6 for a discussion of the international sets.Switch 1-5: selects a default print weight. When

Switch 2-2: controls the beeper. When it is ON, the beeper soundswhen it receives a CHR$(7) or to indicate the paper has run out. Whenit is OFF, CHR$(

300

Appendix FTroubleshootingThis appendix approaches troubleshooting from several directions.The first section uses a columnar format to match solutions

Changing form measurementsThe ESCape”C” command is notworking properly.The ESCape“N” skip-over-per-foration doesn’t work.TabbingVertical tabs don’t wo

Printer “freezes” in GraphicsMode.Can’t get a full page in width.Having trouble getting intoGraphics Mode.User-Defined CharactersThe last character is

Loading paperPaper goes crooked as it rollsdown.Paper crunches up.Top edge of paper sticks underthe roller.Paper-out sensorCan’t deactivate paper-out

FTroubleshooting...301Problem/Solution Summary...301Beeper Error Warnings...304Hex

1. A short circuit between the collector and the emitter of a head tran-sistor along with a shorted dot driver winding produces:PI, PI, PI . . . PI, P

Figure F-1. Best-case hex dumpMost BASICS, however, are not quite that straightforward. For exam-ple, the TRS-80 Model III prints Figure F-2:Figure F-

printing, either by trial and error or by using the hex dumping capabil-ity of the FX, you can start overcoming them.Because each computer system deal

These codes can be sent directly to the printer by POKEing them toa special memory location where they are immediately forwarded tothe printer. The fo

50 IF B>9 THEN B=B - 760 T=ASC(MID$(B$,P + 1, l)) - 4870 IF T>9 THEN T=T-780 POKE A,B*l6 + T90 A=A+1100 NEXT P110 POKE 16422, 187120 POKE 16423,

User-defined characters can’t be printed with the top 8 pins (thestandard position for most characters). Eight pins can’t be used indefining character

ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZSetting the eighth bit on in line 10 adds 128 to each of the number inline 20; thus it prints Ital

Solutions for Specific SystemsThe next four sections illustrate dealing with interface puzzles onfour types of computers: the Apple II, the TRS-80, th

code and the program will not work properly. The programs in thismanual do not use CHR$(9), but some do use its high-order version -CHR$(137) - which

This does allow you to print anything, but it ignores any previousWIDTH statements.If you want to print more than 80 characters per line in a graphics

KParallel Interface...Data Transfer Sequence...Interface timing...Signal re

Sometimes it may be easier to use another low-order value. Forexample:FOR X=1 TO 10IF X=9 THEN X=10When DATA numbers include 9, you can sometimes simp

Appendix GMixing Print ModesOne of the most pleasing aspects of your FX printer is its wide vari-ety of print modes. By mixing modes as shown in Table

By using the character form of some of the numbers, you canshorten the command string. Table G-2 shows some convenient char-acters to be used for the

it stays on until turned off. When two modes that conflict are turnedon at the same time, the printer must choose which one to use.For example, suppos

320

Appendix HCustomizing the FXYou can adapt your FX to fit a variety of needs. You can alter theprint capability both by hardware switches that change d

Keep in mind that this puts extra wear on your ribbon and slows yourprinting speed.A few word processing programs support the FX’s ProportionalMode. S

Appendix IPrinter MaintenanceAlwaysAlways keep your printer in a safe and clean location. Keep it awayfrom:Dust and greaseHeaters and furnaces. Safe t

O-2 lubricant on the shafts and platen bearings, wiping off excess withcloth. Use G-2 sparingly on ribbon feed, line feed, and carriage returndrive ge

Appendix AASCII Codes and Character FontsThis appendix provides information about the way the ASCIIcodes are employed on the FX printers and about the

Now pull the cable from the connector block. Hold the block firmlybecause it has to stay put. Pull the print head straight up and off.To install the n

326

Appendix JTechnical SpecificationsPrintingPrinting method ... Impact dot matrixPrinting speed ... 160 characters per secondPaper feed sp

Column width:Maximum characters per lineFX-80FX-100Pica80136Pica Expanded4068Elite96163Elite Expanded4881Compressed132*233Compressed Expanded68116*137

Dimensions and weightFX-80FX-100Height...100 mm150 mmWidth (without paper ...420 mm594 mmfeed knob)Depth ...347 mm354 m

330

Schematic331

Appendix KThe Parallel InterfaceThe FX printer uses a parallel interface to communicate with thecomputer; this appendix describes it.Connector pin ass

Table K-1, continuedSignal ReturnSignalDirec-tionDescription13———Pulled up to + 5 volts through 3.3Kohm resistance.14—AUTO FEEDWhen this signal is LOW

4. Data transfer must be carried out by observing the ACKNLG orBUSY signal. (Data transfer to this printer can be carried out onlyafter receipt of the

ASCII Code summaryDec Hex CHR000none101none202none303none404none505none606none707BEL808BS9 09HT10OALF11OBVT12OCFF13ODCR14OESO15OFSI16 10none1711DC1181

Table K-2. Signal interrelationsOn-LineSLCT IN DC1/DC3ERROR BUSYACKNLGDATA ENTRYOFFHIGH/LOWDC1/DC3LOWHIGHNot generatedDisabledONHIGHDC1HIGHLOW/HIGHGen

INDEXNote: Refer to Table of Contents and List of Figures for specificprograms. Also, the chapter summaries are not indexed.AAccessories, 16American S

CCable, 16, 35CANcel, 46Caret symbol. See Exponent characterCarriage return, 23, 41CHR$(13) produces it.See also Line feedCentronics. See InterfaceCha

Control codes, 41-42Hex dumping and. See Hex dumpingfor FX compared with those for MX and RX, 287-294listed by function, 283-286listed by number, 271-

ESCape = CHR$(27), 42-43format for commands, iv-v, 46-47, 57-58listed by function, 283-286listed by number, 271-281See also specific modes or function

ESCape “I1”. Enables printing of control codes 0-31. See User-definedcharacters.ESCape “J” CHR$(n). Produces an immediate one-time line feed ofn/216-i

FFiring of pins. See pinsFF. See Form feedForeign language characters. See International character setForm feed, 103-105CHR$(12) produces one.button,

Nine-Pin, 152-154Escape “^“ CHR$(d)CHR$(n1)CHR$(n2) enters Nine-Pin GraphicsMode.reassigning code, 150-152Escape "?s" CHR$(n) reassigns an a

Line feed, 98-101CHR$(10) produces it.button, 35-36computer interface and. See InterfaceDIP switch for, 23one-time immediate, 99-100ESCape “J”CHR$(n)

NNEC, 151Nine-pin graphics. See Graphics ModeNoise reduction. See Half-Speed ModeOOff sets, 82-83ON LINE light and button, 35Overstrikes, 81-82PPage,