Chapter | Star Micronics NX-1000 manual

Chapter 5

MAINTEIVANCE

AND TROU8LESHOOTING

Subjects covered in Chapter 5 include -

•Cleaning the printer

•Replacing the ribbon

•Replacing the print head

•Troubleshooting

Dust and heat will make any mechanism wear more quickly. The best maintenance is preventive, and the first step is correct location of the printer. This is covered in greater detail in Chapter 1, but in general an environment comfortable for humans is best for both the computer and the printer.

CLEANING THE PRINTER

Cleaning the printer regularly will prolong its service life. Use a damp cloth on the exterior every week or so. For stubborn dirt, you may moisten the cloth with alcohol or water containing a mild detergent, but be careful not to spill any liquid into the interior of the printer.

Use a soft brush to remove paper dust and lint from the interior. A small vacuum cleaner can also make this task easier, but be very careful not to bend or injure any electronic parts or wiring. The printer contains delicate electronic parts, so only clean those places where you have easy access.

REPLACING THE RIBBON

The printer uses an endless-type ribbon cartridge in which the ribbon is recycled automatically. When the print becomes faint, it is time to replace the ribbon cartridge.

To remove the old cartridge, take off the top cover, grasp the ribbon cartridge by the two arms at the front and lift straight up. To tit the new cartridge, guide the ribbon between the print head and platen, then press down until the cartridge snaps into place. See Figure 5-I.

REPLACING THE PRINT HEAD

The dot matrix print head has a life of about 200 million dots, or years of normal use. When printing is too light even after replacing the ribbon,

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Star Micronics NX-1000 manual Chapter

Contents

Not Intended for Sale Trademark Acknowledgements HOW to USE this Manual Features of the Printer Quad- sized Tableofcontents Commercial Software Index Reference Card Generator Locating the Printer Check the carton contentsUnpacking and Inspection Page Mount the platen knob Setting UP Remove the top cover Replace the top cover Install the ribbon cartridgeConnect the printer to the computer Loading Single Sheets Connect the printer’s power cordMount the paper guide Figure l-7. Mounting the paper guide for single sheets Semiautomatic loading Manual loading Opening the rear cover Loading and Parking Fanfold Forms 11. Closing the sprocket covers 12. Mounting the paper guide for fanfold forms Paper parking Test Printing Paper unparkingShort self test Interface test Long se/f test DIP Switch Settings Adjusting the Printing GAP 1IBM Orator Prints this way with switch l-3 OFF Page Memo Control Panel OPERATlONS Switches and Indicators On Line switch Power indicatorPaper feed switch Elite Characters Per Courier Italic NLQ Sanserif On Line POWER-UP FunctionsPage Lprint CHR$I Next Switch Combination Functions Page Page Page Memo Printer menu Installing Your Software Type styles Printer command options Alignment Setting the DIP SwitchesUsing Your Software Initialization sequence Type style and pitch selection Other printer commands Printercoiyimands Memo HARD-COPYING the Screen MS-DOS and PC-DOS Using the Printer with DOS and Basic Print README. DOC Programming the Printer with DOS Commands Aedlin NLQELITE.DAT Programming the Printer with Basic VxlVi!VA-VXVL\ Lprint Lprint the Spacings are Changed Lprint CHR$MM How the program works LPRINr rn cHR$I Memo Chapter Replacing the ribbon cartridge Screws Qure 5-2. Replacing the print head If fanfold paper becomes stuck Troubleshooting If you have problems with graphics If you have problems with horizontal tabulationIf you have problems with download characters Memo Printing Mechanism Switches and indicatorsInterface and Emulation Character Sets Dot Matrix SizeType Styles and Pitches Dimensions and Weight Paper SpecificationsEIectf ical Specifications Environmental Requirements Interface SignalsOption 18 + Svdc OUT 1External supply of + Svdc -30 GND Memo Select draft quality characters Printer Control Commands Select Sanserif characters Select Draft Elite CharactersSelect MC? characters Select NLQ type style Se/ect italic characters Select Courier CharactersSelect upright characters Start Double-strike PrintingStop underlining Character SET Commands Select international character set Select IBM character setSelect IBM character set #7 Select IBM character set #2 Enable printing of a// character codes on next character Enable printing of all character codes Pitch Character Size and Pitch CommandsCancel condensed printing Pica Pitch Expanded Printing Select Fixed Spacing Select master print modeIncrease character spacing Select double or quadruple size Select character height, width, and line spacing Vertical Position CommandsSet line spacing to l/8 inch Set line spacing to n/72 inch Set line spacing to 7172 inchSet line spacing to l/6 inch Set line spacing to n/216 inch Line Feed Set top margin Set top of page at current positionSet page length to n lines Set page length to n inches Cancel top and bottom margins Vertical tab Set vertical tab stops every II linesSet vertical tab stops in channel Select vertical tab channel Horizontal Position Commands Set automatic fine feed Cancel automatic line feedSet left and right margins Carriage return Set horizontal tab stop every n columns Right justify Absolute horizontal tab in inches Reset all tab stopsHorizontal tab Relative horizontal tab Graphics Commands Print quadruple-density b-bit graphics Select graphics modeConvert graphics Density Define draft download characters Download Character CommandsPrint O-pin graphics Copy standard characters from ROM into RAM M0 ml N2 m0 M3... m46 M3...m46 Define NLQ download characters Select download character set Define download CharactersSelect draft download character set Execute macro instruction Macro Instruction Accept MSB as is Cancel last lineOther Printer Control Commands Set MSB to Set prinfer off-line Cancel immediate printSet printer on-line Manual feed Bidirectional printingUnidirectional printing One-line unidirectional printing Set print start position on ASF Reset PrinterAuto Eject paper from ASF Memo Draft character AppendixPage Lot data NLQ characterPage Locate 1.1 Print STRING$25,62 Over If S then END Locate 11.1 Print Print Character SET? OUT 6HHJBE.5 OUT 6H3BE.4 Goto Character Sets Standard Character SET DC3 IBM Character SET #2 I 6 I ’ 103 IBM Character SET #l Additional Character SET International Character Sets Ii- i Sl Index IR1 Page NX-1000 Switch Combination Functions =-J Print Pitch Selection Command Summary Numeric Order ESC ESC 2 4 I o