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Epson 1170, LQ-870 Troubleshooting, Options, Options, Printing, Power Supply, Power Supply, Paper Handling, Paper Handling, Troubleshooting

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Chapter 6

Troubleshooting

Problems and Solutions.................. . . . . . . . . . . . . . . . . . . . . .. . . . . . . .	6-2	H
Power Supply ..........................................................................	6-3
Printing.....................................................................................	6-4
Paper Handling .......................................................................	6-8
Options ....................................................................................	6-10

Troubleshooting 6-1

Contents

Page User’s Manual For United States Users WARNING For Canadian Users Tips for printing on single sheets Where to Get Help for United States Users Contents Chapter 4 Using the Printer Options Chapter 5 Maintenance and Transportation Chapter 6 Troubleshooting Chapter 7 Technical Specifications Chapter 8 Command Summary Introduction Options 2 Introduction Finding Your Way Around Warnings, Cautions, and Notes I!!!’ CAUTION Notes Printer parts paw Note: In some countries, the power cord is attached 4 Introduction IMPORTANT SAFETY INSTRUCTIONS that not may those 6 Introduction Setting Up the Printer Unpacking the Printer Removing the protective materials Choosing a Place for the Printer these mm) any Assembling the Printer used then 1-8Setting Up the Printer Attaching the paper guides Top paper guide Front paper guide Testing the Printer Running the self test can the test LF/FF POWER 1-12Setting Up the Printer each PAUSE can the PAUSE LOAD/EJECT Connecting the Printer to Your Computer Configuring Your Software for the Printer Paper Handling Selecting a Paper Feeding Method Paper Handling Using Single Sheets Page Loading single sheets from the front 2-6Paper Handling CAUTION: Use sheets Using Continuous Paper Using the paper-pathguide Changing tractor positions Installing in the front push-tractorposition Installing the push-tractorin the rear position 2-10Paper Handling Installing the pull-tractor Loading continuous paper with the front push-tractor 2-12Paper Handling Page edge Removing continuous paper from the front push-tractor TEAR OFF 2-14 Paper Handling Loading continuous paper with the rear push-tractor 2-16Paper Handling Removing continuous paper from the rear push-tractor Loading continuous paper with the pull tractor 2-18Paper Handling Page when 2-20 Paper Handling Adjusting the top-of-formposition Removing continuous paper from the pull tractor Switching Between Continuous and Single Sheets Page Switching to continuous paper 2-24 Paper Handling Printing on Special Paper MULTI-PART Multi-partforms 2-26Paper Handling Labels Envelopes Note: 2-28Paper Handling Using the Printer Control Panel BIN Font Pitch Buttons ALT BUFFER CLEAR (ALT + PAUSE) MICRO FEED: (ALT + LOAD/EJECT) (ALT + LF/FF) Other control-panelfeatures DIP Switches DIP-switchtables Table 1 DIP Switch 1 setting Table 2 DIP Switch 2 setting paper) * Asterisks indicate the default settings DIP Switches Table 3 International character sets Table 4 Character tables Character table SW l-1 DIP-switchfunctions International character sets Character tables Print direction for graphics High-speeddraft Input buffer capacity 3-10Using the Printer Skip-over-perforation MICRO FEED Continuous paper page length Tear off Auto line-feed 3-12Using the Printer Micro Feed Adjusting the loading position MULTI-PART Note: You MULTI- PART 3-14Using the Printer Page Tear Off Using the TEAR OFF button Off Adjusting the tear-offposition 3-18Using the Printer Typestyles Roman '"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJK wxyr{l}"aC~~~aaa~s~~~~~~~~~~~~~~~~~~~f~F Epson wKyx{~}-DCii&ciiihbceeertt;QA~~oouuyt)l2~~YPtf6i Using the Printer This is 10 cpi printing This is 12 cpi printing This is proportional printing Data Dump Mode Using the Printer Options Cut-SheetFeeders Loading paper with the single-bin cut-sheetfeeder 4-4Using the Printer Options so that it matches Push down Loading paper or envelopes with the high-capacity cut-sheetfeeder 4-6Using the Printer Options Page 4-8Using the Printer Options Assembling the double-bin cut-sheetfeeder the two cut-sheet on the BIN SELECT 4-10Using the Printer Options Switching between continuous paper and the cut-sheetfeeder Switching to the cut-sheetfeeder 4-12Using the Printer Options Additional Tractor Unit Using two tractor units in combination 4-14 Using the Printer Options Page Interface Card Page The C823051 serial interface card Baud rate selection Handshake timing Error handling 4-18Using the Printer Options Maintenance and Transportation Cleaning the Printer Replacing the Ribbon Cartridge Transporting the Printer Troubleshooting Problems and Solutions Power Supply Printing The print is faint or uneven The ribbon may be worn out. Replace the ribbon cartridge Dots are missing in the printed characters or graphics Printed characters are not what you expected Check that the software is correctly installed for your printer The print position is not what you expected Two line-feedsignals are being sent. Set DIP switch 2-4 off Change the page-length setting with DIP switches One-inch skip-over-perforation may be set. Set DIP switch off Adjust the top-of-formposition as described in Chapter Paper Handling Make sure the paper size is within the specified range. See page Make sure the paper is aligned with the edge guides Use the LOAD/EJECT button to eject paper. Do not use the LF/FF button The paper may be too long. Only use paper that is within the specified range Continuous paper does not feed properly 6-10Troubleshooting Options When you use an optional interface, the printer does not operate properly 6-12Troubleshooting Technical Specifications Printing method: Printing speed: Printing direction: Line spacing: 1/6-inch, 1/8-inchor programmable in Printable Character fonts: Scalable fonts: Character tables: Printer Specifications Paper Paper size: PaperLQ-870LQ-1170 Single sheet Continuous paper 35’1 or more 01 more I.‘I Printable area I’I’ Paper thickness: Paper weight: Paper quality: Number of copies: Notes: You Mechanical Paper-feed methods: Ribbon: LQ-870:#7753, LQ-1170:#7754 Electrical Rated voltage: Input voltage range: AC 103.5 to 132 Rated current: Storage: -30" to 60°C (-22" to 140°F) Interface Specifications Signal Description BUSY GND 7-12Technical Specifications Interface timing Option Specifications Paper storage conditions: Temperature: Initialization Command Summary Using the Command Summary Commands Arranged by Topic Page format m2nln2 m = m l + m2 X 2 5 n = nl n2 X Print position motion nl n2 3 l/60-inch for this ESC \ nl n2 Font selection M = 0, 1, 18, 21, 24, 30, 36, 42, 48, 60, or n = nl -kn2 X Total points = (nl + n2 X 256) X 0, 21 1: 12 cpi 16: 32: 64: 128: Hex ESC S 28 2D ESC ( - 3 0 1 nl n2 nl = 3: Spacing l/180 ESC ( U nn 1 0 n as n/3600 inch n = 10, 20, 30, 40, 50 n = 0, 1, 2, 3, "0", "I", "2", or "3 from O-127 to 1 : 10: 11: 4094 28 5E n = nl •k n2 x 256 n: amount of data Bit image n = nl + n2 x (nl Graphics nl n2 10, 20: 3600/v DPI 3600/h Appendix Character Tables commands 9F are !IAQaq %5EUeu 2DC2 " 2BRbr&!16 r 3#3CScsd6ti 4DC4$4DTdtgid 5§%SEUeu&bfi $glDg+ 2DC2 " 2BRbr&&6 r 3#3CScsb6ti 4DC4$4DTdt&e,A SPO @ P * p C E DC2 " 2BRbr6*6# 1!lAQaqiiaei g I + p f 2DC2 " 2BRbrelgZi r 4DC4$4DTdtaifi 5§%SEUeuhbfi 6&6 FV International Character Sets Glossary character table characters per inch (cpi) condensed printing continuous paper control code default DIP switches dot matrix double-heightprinting Printing in which each character is twice as tall as normal font A font is a style of type designated by a family name form feed high-speeddraft initialize line feed loading position micro feed parallel interface platen subscript superscript tear off tear-offposition top of form Index IN-2Index Index IN-3 Page Index IN-5