User manual EPSON PLQ-20

[. . . ] No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of Seiko Epson Corporation. The information contained herein is designed only for use with this Epson printer. Epson is not responsible for any use of this information as applied to other printers. Neither Seiko Epson Corporation nor its affiliates shall be liable to the purchaser of this product or third parties for damages, losses, costs, or expenses incurred by the purchaser or third parties as a result of: accident, misuse, or abuse of this product or unauthorized modifications, repairs, or alterations to this product, or (excluding the U. S. ) failure to strictly comply with Seiko Epson Corporation's operating and maintenance instructions. [. . . ] You can program it when it is on, off or flashes in the PR2 mode. Chapter 5 Control Panel 76 Functions auxiliary This section describes functions executed by turning on the printer while holding one or more buttons. These functions are shown in the following table and explained in detail after the table. Switch F2* F1/Eject & F2 F1/Eject & Offline Offline Open the cover & F1/Eject F2** F2*** F2**** * ** Function Self-test Default setting Compress printing mode Data dump Paper removing Bidirectional adjustment Top-of-form adjustment Printing start position adjustment To enter this mode, press the F1/Eject and F2 button while the F1/Eject, Offline, and F2 lights are flashing. To enter this mode, press the F1/Eject button while the F1/Eject, Offline, and F2 lights are flashing. *** To enter this mode, press the Offline button while the F1/Eject, Offline, and F2 lights are flashing. **** To enter this mode, press the F2 button while the F1/Eject, Offline, and F2 lights are flashing. Self-test Prints the self-test. See "Printing a Self-Test" on page 102 for more information. Default setting Starts the default setting mode. See "Changing default settings" on page 94 for more information. Chapter 5 Control Panel 77 Compress printing mode Starts the compress printing mode. See "Compress Printing Mode" on page 79 for more information. Data dump Starts the data dump mode, in which all input data is printed as hexadecimal numbers and corresponding characters. See "Printing Hex Dump" on page 103 for more information. Paper removing Starts the paper removing mode. See "Clearing Paper Jams" on page 119 for instruction on feeding paper. Bidirectional adjustment Starts the bidirectional adjustment mode. See "Aligning Vertical Lines in Your Printout" on page 96 for more information. Top-of-form adjustment Starts the top-of-form position adjustment mode. See"Adjusting the top-of-form position" on page 31 for more information. Printing start position adjustment Starts the printing start position adjustment mode. See"Adjusting the printing start position" on page 33 for more information. Chapter 5 Control Panel 78 Compress Printing Mode You can compress your printing data to the ratio of 75% by following the steps below. Note: Compress printing mode is effective only when the printer is in the ESC/P mode. Turn off the printer. c Caution: Whenever you turn off the printer, wait at least five seconds before turning it back on; otherwise you may damage the printer. 2. The printer makes two short beeps and enters the compress printing mode. About Your Printer's Default Settings The default settings control many printer functions. While you can often set these functions through your software or printer driver, you may sometimes need to change a default setting from the printer's control panel using the default-setting mode. For a detailed description of the settings you can change in the default-setting mode, see "Understanding default settings" on page 80. For instructions on changing the settings, see "Changing default settings" on page 94. Chapter 5 Control Panel 79 Understanding default settings This section describes the settings and options available in the default-setting mode. All items available in the default setting mode are divided into three groups depending on the applications. You can select the three main menus while making the default settings and then change the setting of each item which belongs to the menu you selected. On the Common Settings menu, you can change the settings which are effective in all three application modes. On the PR2 Mode Settings menu, you can change the settings which are active in the PR2 mode. [. . . ] See also pitch. compress printing This function reduces the size of the data. You can compress your printing data to the ratio of 75%. control codes Special codes used to control printer functions, such as a carriage return or line feed, instead of printing characters. cpi See characters per inch (cpi). default Value settings that take effect when a device (such as a printer) is turned on, reset, or initialized. dithering A half toning method in which dots are printed in a predetermined pattern to simulate a shade or tone. Dithering works best for images with solid colors, such as charts and graphs. See also half toning. dot matrix A method of printing in which each letter or symbol is formed by a pattern (matrix) of individual dots. Glossary 172 draft The print mode used by your printer when you select Draft as the font. [. . . ]