Star Micronics LC24-20 chapter 6TROUBLESHOOTING

chapter 6TROUBLESHOOTING

Thischapter helps you identify printer conditionsand problems that youcan

often correct yourself.

Remember that your printer is ahighly sophisticated electronic device,

whichalso contains highvoltage inside. Forthat reason, only carryout those

operations described in thischapter.

CAUTION:Any attempt to carry out operations other than those described

here may result inelectric shock and/or damage to the printer.

When carrying outany repairs or maintenance, always follow

the instructionscarefully.

TROUBLESHOOTING

Your printer is areliable piece of precision machinery, which should not

causeyou any trouble, provided it isused and treated sensibly. However,the

few elementary tipsbelow should help you avoid having to make unneces-

sary service calls.

cPower switch is on, but power indicator is off

Probable Cause IAction

Printer isnot Make sure that the power cord is correctly connected.

getting power. Verify that the power source works.

●Printer soundsas if it is printing but does not; Printing is weak

Probable Cause IAction

Ribbon is jam-

ming,twisted,or

not between the

printheadandthe

printheadshield,

Adjustment

lever is set

incorrectly.

Makesure that theribbon cartridge is correctlyinstalled.

Make sure that the ribbon is between the shield on the

print head and the end of the printhead.

Replace the ribbon.

Checkthe setting ofthe adjustment lever.Move thelever

to adarker setting.

57

Contents

Main Trademark Acknowledgements OCopyright 1991Star Micronics Co., Ltd. HOW TO USE THIS MANUAL Page TABLE OF CONTENTS Chapter 5DEFAULT SETTINGS-EDS MODE Chapter 6TROUBLESHOOTING Chapter 7OPTIONAL ACCESSORIES Chapter 8PRINTER CONTROL COMMANDS Chapter 9DOWNLOAD CHARACTERS Chapter 10 MS-DOS AND YOUR PRINTER Chapter 11 REFERENCE INDEX COMMAND SUMMARY 177 Page chapter 1INTRODUCTION PRINTER COMPONENTS I Page SUMMARY OF PRINTER FEATURES Page FONT STYLE EXAMPLE 11111111111111111 lllllll Quad-s izMI. txrmumm,mwcmm,mmwm wurMs~, Page chapter2 PRINTER PLACEMENT UNPACKINGAND INSPECTION Page Page Removing the front cover Installing the ribbon cartridge Installing the front cover Installing the paper guide Installing the mute cover Connecting the interface cable &/y 4 ., $ \ Configuring your software for the printer I IYI R chapter 3 PAPER INSTALLATION AND USE SELECTION OF PAPER Page ADJUSTING THE PRINTING GAP LOADING FANFOLD FORMS Loading the paper Page Page Paper parking Paper unparking Tear off function LOADING SINGLE SHEETS Page Page chapter4 D CONTROL PANEL OPERATIONS BUTTON AND INDICATOR FUNCTION J::&EE n n n mm . ON LINE PAPER FEED EJECT/PARK PITCH FONT POWER-UP FUNCTIONS L-J J:KEAEDONL n n n mm I I 11I Short test mode Long test mode Print area test mode Pitch lock mode Font lock mode Font and Pitch lock mode Dot adjustment mode 6. To exit from this mode, press the -button. 39 Hexadecimal dump SWITCH COMBINATION FUNCTIONS 1- - L----J JT:KpE;EEDyO Top of form Forward micro-feed Reverse micro-feed Changing the auto loading position Clearing the buffer/All reset Save Macro Definition Page CONDITIONS INDICATED BY MESSAGES AND TONES Summary of display messages Page Summary of beep tones Page 1 chapter 5 DEFAULT SETTINGS-EDS MODE HOW TO SET THE EDS MODE k= FUNCTIONS OF THE EDS SETTINGS H 50 c-4 Page Page Page Page Page Page chapter 6TROUBLESHOOTING TROUBLESHOOTING Page Page Page Page -1 Page MAINTENANCE chapter 7OPTIONALACCESSORIES AUTOMATIC SHEET FEEDER (SF-1ODS) Setting up Page Loading paper Page m Feeding asingle sheet PULL TRACTOR UNIT (PT-IOZS) Setting up Page Loading paper :1 FONT CARTRIDGES AND RAM CARTRIDGES IIFont Name ICharacter sample I Page Page INTERFACE CONVERTER (SPC-8K) zy / DIP Switch Functions on The Converter Page chapter 8 PRINTER CONTROL COMMANDS FONT CONTROL COMMANDS Selectprint quality Select LQfont Select italic characters Select upright characters Emphasized printing Cancel emphasized printing Double-strike printing Cancel double-strike printing Underlining Overlining Select score Select ornament character Superscript Page CHARACTER SET COMMANDS Select standard character set Select IBM character set Select character set #l Select character set #2 I Select international character set Select IBM codepage Enableprinting of all character codes Enable printing of all character codes on next character Select slash zero Select normal zero CHARACTER SIZE AND PITCH Pica pitch COMMANDS Elitepitch Semi-condensed pitch Cancel condensed printing Proportional spacing Selectfont and pitch Expanded printing Expanded printing for one line Cancel one-line expandedprinting Select character width Select master print mode Increase character spacing Select double or quadruple size Print double-height characters Return to normal height Select character height, width, and line spacing VERTICAL POSITION Set line spacing to 1/8 inch Set line spacing to 7/60 or 7/72 inch Set line spacing to 1/6 inch Set line spacing to n1360inch I Set base unitfor line spacing Setline spacing to nl180 inch, n1216inch, or n1360inch Set line spacing to n160inch or n172inch Execute &SC> A Linefeed Reverse linefeed Selectforward feed mode Select reversefeed mode Perform one n/180-inch, n/216-inch, or n/360-inch linefeed Perform one nl180-inch reverse linefeed Feedpaper nlines Set top ofpage at current position Setpage length to nlines IBoth I<ESC> N nI27 78 nIIB 4E nI Cancel bottom margin Formfeed Return to top of current page Disable paper-out detector Enable paper-out detector Set vertical tab stops Set vertical tab stops every nlines Set verticaltab stops in channel Select vertical tab channel Page HORIZONTAL POSITION COMMANDS Set left margin Set right margin Set left and right margins Carriage return Set automatic linefeed Cancel automatic linefeed Backspace Leftjust$y Center text Rightjustify Fulljustify Set horizontal tab stops 1- Set horizontal tab stop every ncolumns Reset all tab stops Horizontal tab Relative horizontal tab Relative horizontal tab in inches Absolute horizontal tab in inches Absolute-horizontal tab in columns GRAPHICS COMMANDS Print normal-density 8-bit graphics Print double-density 8-bit graphics Print double-density, double-speed 8-bit graphics Print quadruple-density 8-bit graphics Ll Print hex-density 24-bit graphics Select graphics mode Select graphics mode III, n2, ml, m2, . . Z (for 24-bit graphics) for information on mI, n?2,... Convert graphics density DOWNLOAD CHARACTER COMMANDS Define download characters Copy character setfrom ROM into RAM Select download character set Shift download character area SelectROM character set OTHER PRINTER COMMANDS Set h4SBto 1 Set MSB to O Accept MSB as is Delete last character sent Setprinter off-line Setprinter on-line Stopprinting Bell Bi-directional printing Uni-directionalprinting One-line uni-directionalprinting Manualfeed Autofeed Ejectpaper from ASF Setprint start position on ASF Resetprinter Set initial conditions chapter 9 DOWNLOAD CHARACTERS DEFINING YOUR OWN CHARACTERS WITH STANDARD MODE Assigning the character data Assigning avalue of character space I L Sample program 0, 0, 0, DIFFUSION RANGES OF CARS &TELEPHONES GERMANY Ji4PAN DEFINING YOUR OWN CHARACTERS WITH IBM MODE Assigning the download character set Assigning the character dot pattern 8- I Assigning the Index Table data Sample program Dot Pattern Data 131 Page chapter 10 MS-DOS AND YOUR PRINTER PROGRAMMING THE PRINTER WITH DOS COMMANDS I z PROGRAMMING WITH BASIC As an example of programming the printer on Microsoft BASIC. we have Standard mode. and the downloadable condition. Page Page o; 0, o; o; o; Page How the program works Page chapter 11 SPECIFICATIONS * USA, 32X 21 48X Page Page PINOUT OF INTERFACE CONNECTOR Parallel interface Serial Interface r LI-77 II-3 F9 I-E Lk~ Page Page International character sets Page Page Page Page Page Page Page Character set #1 Page PROPORTIONAL SPACING TABLE Page Page Page Page Page Page Page Page Page +--l-+ -1- INDEX B c L E F H I J~ N P Pitch [-E? s- v] z~ COMMAND SUMMARY Standard Mode 177 The following commands take effect with the Standard mode. ..... ,, , . , . ?1[/!1I)1</11//)11 <[xx> <Esc> <t-x> <Rx-> <Rx> <Esc> <WC> 178 <Esc> s () ... <Esc> L I Z IBM Mode The following commands take effect with the IBM mode. 180 u 1Uni-directional printi~g 1I() [Selectinitialconditions T <4> <O> <0> <O> nl n2 1 [ Consumer Response WorldwideHeadquarters: AmericanMarket: EuropeanMarket: U.K.Market: mw SWITCH COMBINATION FUNCTIONS ~ Savemacro Formfeed BAIL LEVER FUNCTIONS EDS MODE H+- ;.;