Epson L-750 4-12 Troubleshooting and Maintenance

Transporting the Printer

6.Pull the paper bail lever forward; then insert the carriage protector between the paper bail and platen.

7. Attach the two locking tabs.

4-12Troubleshooting and Maintenance

Contents

Page 1.Read all of these instructions and save them for later reference 2.Follow all warnings and instructions marked on the product 4.Do not use this product near water This product is equipped with a 9.Do not locate this product where the cord will be walked on A.When the power cord or plug is damaged or frayed B.If liquid has been spilled into the product C.If the product has been exposed to rain or water E.If the product has been dropped or the cabinet has been damaged Where to Get Help Options and Supplies Chapter 5 Technical Specifications Printer Specifications Interface Specifications Initialization Default Settings Introduction About This Guide Setting Up the Printer Unpacking the Printer Removing the protective materials Setting Up the Printer protector Setting Page Removing the pull tractor 1-6 Setting Up the Printer Choosing a Place for the Printer for Note: the 1-8Setting Up the Printer Assembling the Printer Installing the ribbon cartridge CAUTION: 1-10Setting Up the Printer Page 1-12Setting Up the Printer Page POWER PAPER OUT 1-14Setting Up the Printer Page 1-16Setting Up the Printer Testing the Printer Running the self test LINE FEED FORM FEED 1-18Setting Up the Printer Page Connecting the Printer to Your Computer Page Printer Selection Menus Using the Printer Operating the Control Panel Lights POWER: READY: PAPER OUT: ON LINE: LINE FEED FEED DIP Switches DIP switch functions DIP Switch 3-6 Using the Printer Page Auto line feed Input buffer capacity Print direction for graphics U0. If Page length DIP SW2-3OFF (Skip over perforation OFF) ž:;<=>?@ABCDEFGHIJKLMNOPBRSTUVWXYZ[\l^_'abcde DIP SW2-3ON (Skip over perforation ON) 6789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_' al Selecting Typestyles miniature for quantities over one gross SANS SERIF LMNOPQRSTUVWXYZ[\]^_` a b c d e f g h i j k l m n o p q r s t u v wxyz { } ˜ m i n i a t u r e z e b r a s T r a d e r ’ s T i m e s Selecting a font with the control panel Selecting a font with DIP switches 3-12Using the Printer Selecting an International Character Set Page Choosing a Character Table 3-16Using the Printer Paper Handling Using Single Sheets 3. Attach the printer cover Loading paper 2-4Paper Handling Page ON LINE Using Continuous Paper 2-8Paper Handling Positioning your continuous paper supply Loading continuous paper Page Page Page Page Attaching the paper separator Setting the top of form position 2-14 Paper Handling Page When you have finished printing Printing on Special Paper Paper thickness lever 2-18Paper Handling Using multi-partforms Troubleshooting and Maintenance Problems and Solutions The printout is spaced incorrectly The printout is faint or uneven READY Continuous paper does not feed properly The printout is not what you expect that Cleaning the Printer Page Replacing the Ribbon Page 4-10 Troubleshooting and Maintenance Transporting the Printer 4-12 Troubleshooting and Maintenance Page Technical Specifications Printer Specifications Paper Single sheet Continuous paper 5-4 Technical Specifications Mechanical Electrical Environmental 5-6 Technical Specifications Interface Specifications 5-8Technical Specifications each ACKNLG Interface timing shows Interface Specifications Printing enabled/disabled signals and control conditions 5-10 Technical Specifications Initialization Default Settings Command Summary ESC U ESC D Printer Operation Printer Operation (continued) Data Control Vertical Motion 6-2 Command Summary Horizontal Motion Overall Printing Style Print Size and Character Width 6-4 Command Summary Print Size and Character Width (continued) Print Enhancement Print Enhancement (continued) Word Processing Character Tables 6-6 Command Summary Character Tables (continued) User-definedCharacters Graphics 6-8 Command Summary Appendix A-1 The Interface Boards Removing the upper case WARNING: case Appendix A-3 Page Page Installing the board A-6Appendix Appendix A-7 #8143 New serial interface board #8143 #8143 DIP switch settings #8143 baud rate selection Appendix A-9 Handshaking Error handling When A-10Appendix Glossary continuous paper control code cut sheet feeder (CSF) default DIP switches double-strikeprinting double-wideprinting draft emphasized printing ESC/P interface italic This sentence is italicized Letter Quality (LQ) uses print quality proportional printing self test GL-5 Index LINE FEED/DRAFT OFF LINE/ON LINE button, 2-6, 3-2-3 ON LINE PAPER OUT POWER Page Page Page Page Commands Arranged by Topic