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Panasonic KX-P1123 User Manual

Panasonic KX-P1123
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This Manual: http://www.manuallib.com/file/2525963
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Ins
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Impact Dot Matrix Printer
Panasonic
Before
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Table of Contents

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Do you have a question about the Panasonic KX-P1123 and is the answer not in the manual?

Panasonic KX-P1123 Specifications

General IconGeneral
TypeDot Matrix Printer
Print Width80 columns
InterfaceParallel
Number of Pins24
Max. Resolution360 x 360 dpi
Noise Level55 dB
Print TechnologyImpact Dot Matrix
Paper PathFriction feed

Summary

1. Introduction

1.1 Product Overview

Provides a general overview of the printer's capabilities and features.

1.2 Specifications

Power requirements

Details on the printer's power needs and frequency.

Interface

Information on the available interface options for connecting the printer.

Print fonts

Lists the different font types supported by the printer.

Software emulation

Specifies the printer's compatibility with different software emulation modes.

Character sets

Details the types of character sets supported by the printer.

Dot configuration

Describes the dot diameter and matrix configuration of the printhead.

Maximum number of characters per line

Specifies the maximum characters that can be printed on a single line.

Printing speed

Lists the printing speeds in characters per second for different modes.

1.3 Parts of the Printer

Front View

Diagram and labels for the front view of the printer.

Top View

Diagram and labels for the top view of the printer.

Rear View

Diagram and labels for the rear view of the printer.

2. Set up

2.1 Site Requirements

Guidelines for selecting an appropriate environment for printer installation and operation.

2.2 Unpacking and Inspection

Instructions for safely unpacking and checking the printer for any damage.

2.3 Power Up

Step-by-step guide on how to power on the printer correctly.

2.4 Mounting the Ribbon Cassette

Detailed instructions on how to install a new ribbon cassette into the printer.

2.5 Paper Feed Selection

Explains the different paper feed mechanisms and paths available for use.

2.6 Print Control Levers

Describes the function and usage of the paper feed selector, paper bail release, and head gap levers.

2.7 Paper Installation

Instructions for loading different types of paper into the printer.

A. Fanfold Paper

Instructions for loading continuous fanfold paper using the rear feed method.

Bottom Feeding

Instructions for loading fanfold paper using the bottom feed path.

B. Single Sheets and Envelopes (Friction)

Instructions for loading single sheets of paper or envelopes using the friction feed.

2.8 Self Test

How to perform a self-test to check printer functionality and print quality.

2.9 Connecting to a Computer

Guide on connecting the printer to a computer using parallel interface cables.

3. Operation

3.1 Front Panel Switches

Explanation of the function and operation of the printer's front panel switches.

3.2 Control Table

Details on using the Control Table for temporary changes to font, pitch, and form length.

A. FONT/PITCH/FORM LENGTH

Instructions for setting font, pitch, and form length using the Control Table.

B. ENHANCEMENT

How to apply character enhancements like bold, italic, and double width.

C. LEFT / RIGHT MARGIN

Procedure for setting the left and right margins for print alignment.

D. MACROs

Information on storing and recalling printer settings using MACRO functions.

To Recall a Defined MACRO (MACRO READ)

Steps to recall stored printer settings from MACRO memory.

To Print Out the Current Setting and MACROs Status

How to print the current settings and stored MACRO configurations.

E. FACTORY Setting (Defaults Setting)

How to recall the printer's original factory default settings.

F. QUIET mode

Explanation of the QUIET mode for reducing printing noise and its effect on speed.

3.3 Feeding the paper

Adjusting paper position using front panel switches.

Form Feed

Advances paper to the next top-of-form position.

Line Feed

Advances paper one line at a time or continuously.

Micro Line Feed

Advances paper in small increments for precise positioning.

Reverse Micro Line Feed

Reverses paper feed for specific micro line adjustments.

A. Perforation Cut (P. CUT)

Function to advance fanfold paper perforation to the tear bar for easy page separation.

B. Automatic Paper Loading (LOAD/PARK)

Lever function for loading or parking paper automatically.

C. Paper Parking (Rear feeding only)

Allows parking fanfold paper without removing it.

Loading the Cut Sheet Paper

Procedure for loading single sheets or envelopes.

Reloading the Fanfold Paper

Steps to reload fanfold paper after using single sheets.

D. Top of Form function (TOF SET)

Stores and loads the first print line position for different paper feed methods.

3.4 Initial Setup mode

To Enter the Initial Setup mode

Steps to access the printer's initial setup configuration mode.

Setting the Initial Setup mode

Instructions for configuring various printer settings using the Control Table.

To Print Out the Current Settings

How to print the current configuration settings before making changes.

To Reset All Initial Setup Mode Settings to the FACTORY Default Setting

Procedure to restore all initial setup settings to their factory defaults.

Details of all items in the Initial Setup mode

Comprehensive list of all configurable items within the Initial Setup mode.

Download buffer control mode

Controls whether download buffer is available for characters.

Cut Sheet Feeder mode

Enables or disables the Cut Sheet Feeder option.

Buzzer sound control mode

Controls whether the printer's buzzer sounds for certain commands.

Zero font mode

Sets how the zero character is displayed.

Alternate Graphic mode (AGM)

Enables or disables alternate graphic mode for IBM Proprinter X24.

Data length

Sets the data length for serial communication.

Print Direction (Image print) mode

Sets the print direction for graphics.

Skip perforation mode

Enables or disables skipping one inch of perforation.

Automatic Line Feed mode

Controls automatic line feed after carriage return.

Automatic CR mode

Controls automatic carriage return in specific modes.

Paper Out Detector mode

Enables or disables the paper out detector.

Baud rate mode

Selects the printer's baud rate for serial communication.

Parity control mode

Sets the parity control for serial communication.

Protocol select mode

Selects the protocol for serial communication.

Remaining buffer capacity to Suspend Data Transfer (S.D.T.)

Sets buffer capacity for suspending data transfer.

Remaining Buffer Capacity to Resume Data Transfer (R.D.T.)

Sets buffer capacity for resuming data transfer.

Designation of signal polarity for DTR protocol mode

Sets signal polarity for DTR protocol.

3.5 Detectors

Paper Out detector

Information about the paper out detector and its function.

Overheat detector

Explains the overheat detector and its role in protecting the printhead.

Overload detector

Describes the overload detector for printhead movement blockages.

3.6 Initialization

Receive Buffer Clear Function

How to clear the printer's receive buffer without affecting other settings.

3.7 Hex Dump

4. Software Introduction

4.1 Introduction

Basic concepts of computer-printer communication using coding schemes like ASCII.

4.2 Control Codes

Explanation of printer control codes and escape sequences.

4.3 Entering Control Codes through Commercial Software Packages

Guidance on using commercial software and drivers for printer control.

4.4 Entering Control Codes Directly from the Keyboard

How to send printer control commands directly from the computer keyboard using BASIC.

4.5 Entering Control Codes from Within a Basic Program

Incorporating control codes into BASIC programs for special printing features.

4.6 Entering Hexadecimal Code

Entering ASCII codes in hexadecimal format using BASIC commands.

4.7 Control Codes

Examples of single-byte control commands.

4.8 Special Code IBM PC or Compatible

Using specific BASIC commands for IBM PC compatibility with printers.

5. KX-P1123 Features

5.1 Print Feature Controls

Overview of the printer's capabilities for customizing print modes.

Print Quality and Font

Details on Draft and Letter Quality print modes and available fonts.

Character Pitch

Explanation of the six different character pitches and their properties.

5.2 Download Characters

Instructions for designing and downloading custom characters using the 32K buffer option.

Making Maximum Use of the Buffer

Guidance on optimizing buffer usage for character downloads.

1. Draft Font

Designing custom characters for the draft font using a dot matrix.

2. LQ Font

Designing custom characters for Letter Quality fonts.

5.3 Bit Image (Graphics)

How to print pictures, graphs, and charts using the printer's bit image modes.

Dot Density

Explanation of dot density and control commands for various resolutions.

8-Pin Bit Image Mode

Details on using the 8-pin bit image mode for graphics printing.

24-Pin Bit Image Mode

Details on using the 24-pin bit image mode for graphics printing.

A programming example is as follows:

Example program for setting dot density and printing graphics.

6. Epson LQ-850 Mode Commands

FONT SELECTION

Commands for selecting letter quality, font style, and superscript/subscript.

CHARACTER PITCH SELECTION

Commands for setting character pitch and proportional spacing.

CHARACTER HIGHLIGHT SELECTION

Commands for character enhancements like bold, italic, underline.

CHARACTER HIGHLIGHT SELECTION

Commands for double strike, double width, and score printing.

WORD PROCESSING MODE SELECTION

Commands for alignment modes and character spacing.

CHARACTER SET SELECTION

Commands for selecting international and graphic character sets.

BIT IMAGE (GRAPHICS) MODE SELECTION

Commands for selecting bit image density and modes.

PAPER FEED SELECTION-Amount

Commands for setting paper feed amounts in various increments.

PAPER FEED SELECTION-Execution

Commands for executing paper feeds like line feed and form feed.

PAGE FORMAT CONTROL

Commands for setting page length, margins, and skip perforation.

TABULATION-Horizontal

Commands for setting and executing horizontal tabs.

TABULATION-Vertical

Commands for setting and executing vertical tabs.

CARRIAGE CONTROL

Commands for carriage movement and line control.

DATA CONTROL

Commands for buffer management and printer selection.

DOWNLOAD CHARACTER SELECTION

Commands for defining and selecting downloadable characters.

MISCELLANEOUS

Commands for buzzer, escape sequences, and printer initialization.

LETTER QUALITY (LQ) FONT:

Commands to select Letter Quality font printing.

FONT STYLE:

Commands to select different font styles.

SUB/SUPERSCRIPT FONT:

Commands for sub/superscript font printing.

PICA PITCH:

Commands to set printing to 10 characters per inch.

ELITE PITCH:

Commands to set printing to 12 characters per inch.

MICRON PITCH:

Commands to set printing to 15 characters per inch.

COMPRESSED PITCH:

Commands to set printing to 17 characters per inch.

PROPORTIONAL SPACING:

Commands to set proportional spacing between characters.

PROGRAMMABLE PITCH/HIGHLIGHTING:

Commands to set combined pitch and highlighting.

EMPHASIZED PRINTING:

Commands to set printing to twice the horizontal dot density.

DOUBLE HIGH PRINTING:

Commands to set double high printing.

DOUBLE WIDE PRINTING-SINGLE LINE:

Commands for single-line double wide character printing.

DOUBLE WIDE PRINTING:

Commands to set double wide (elongated) character printing.

DOUBLE STRIKE PRINTING:

Commands to set double strike character printing.

UNDERLINING:

Commands to set continuous underlining of characters.

SCORE:

Commands to set or cancel scores under text.

WORD PROCESSING MODE SELECTION:

Commands for alignment modes and character spacing.

CHARACTER DOT SPACING:

Commands to set character dot spacing.

ITALIC FONT:

Commands to select italic character printing.

INTERNATIONAL CHARACTER SET:

Commands to select international or LEGAL character sets.

GRAPHIC CHARACTER SET I:

Command to select graphic character set 1.

GRAPHIC CHARACTER SET II:

Command to select graphic character set 2.

ALTERNATE CHARACTER SET:

Commands to select alternate character sets.

8-PIN STANDARD DENSITY GRAPHICS:

Commands for 8-pin graphics at standard density.

8-PIN DOUBLE DENSITY GRAPHICS:

Commands for 8-pin graphics at double density.

8-PIN DOUBLE SPEED/DOUBLE DENSITY GRAPHICS:

Commands for 8-pin graphics at double speed/double density.

8-PIN QUADRUPLE DENSITY GRAPHICS:

Commands for 8-pin graphics at quadruple density.

BIT IMAGE MODE SELECTION (AGM):

Selects bit image modes based on AGM setting.

BIT IMAGE MODE SELECTION:

Selects bit image modes for 8-pin or 24-pin graphics.

1/8 INCH PAPER FEED:

Command to set paper feed amount to 1/8 inch.

1/6 INCH PAPER FEED:

Command to set paper feed amount to 1/6 inch.

n/60 INCH PAPER FEED:

Command to set programmable paper feed to n/60 inch.

n/180 INCH PAPER FEED:

Command to set programmable paper feed to n/180 inch.

n/360 INCH PAPER FEED:

Command to set programmable paper feed to n/360 inch.

LINE FEED (LF):

Command to print data and execute a single line feed.

FORM FEED (FF):

Command to feed paper to the next top-of-form position.

n/180 INCH PAPER FEED:

Prints buffer data and feeds paper n/180 inch.

n/180 INCH REVERSE DIRECTION SINGLE LINE PAPER FEED:

Feeds paper n/180 inch in reverse direction.

PAGE LENGTH (INCHES):

Commands to set page length in inches.

PAGE LENGTH (LINES):

Commands to set page length in number of lines.

LEFT MARGIN:

Commands to set the position of the left margin.

RIGHT MARGIN:

Commands to set the position of the right margin.

SKIP PERFORATION:

Commands to set skip perforation at the bottom of the page.

HORIZONTAL TAB STOP SETTING:

Commands to set horizontal tabulations to specified values.

HORIZONTAL TAB EXECUTION:

Command to execute horizontal tabs as designated.

VERTICAL TAB STOP SETTING:

Commands to set vertical tabulation to specified values.

VERTICAL TAB EXECUTION:

Command to execute vertical tabs as designated.

VFU CHANNEL SELECTION:

Command to select one of eight channels in the Vertical Format Unit.

VFU SETTING:

Commands to set tab positions for any channel in the VFU.

BACKSPACE:

Prints data and backspaces one space.

CARRIAGE RETURN:

Prints buffer data and designates next line start.

HOME PRINTHEAD:

Moves the printhead to its home position.

SINGLE DIRECTION:

Sets single direction printing mode.

HALF SPEED PRINTING:

Commands to set printing to half speed.

RELATIVE HORIZONTAL POSITION:

Moves the printhead to a relative horizontal position.

ABSOLUTE HORIZONTAL POSITION:

Moves the printhead to an absolute horizontal position.

CANCEL:

Clears all data in the printer's buffer.

REMOTE PRINTER SELECT:

Selects the printer remotely to receive data.

REMOTE DESELECT PRINTER:

Deselects printer remotely, disabling data reception.

FONT DOWNLOADING:

Defines downloadable characters into specified RAM locations.

BELL:

Command to sound the printer's buzzer.

SELECTS ROM CG OR DOWNLOADED CG:

Selects between ROM or downloaded character sets.

ROM CHARACTER GENERATION SET COPY:

Copies internal ROM character sets to the downloadable font area.

BELL:

Sounds the printer's buzzer for approximately 0.5 second.

ESCAPE:

First byte of multi-byte printer control codes.

NULL:

Last byte of certain multi-byte printer control codes.

RESET PRINTER:

Initializes printer, clearing print buffer data.

SELECTS CSF:

Selects Cut Sheet Feeder mode ON/OFF.

7. IBM Proprinter X24 Mode Commands

FONT SELECTION

Commands for selecting font quality, style, and sub/superscript.

CHARACTER PITCH SELECTION

Commands for setting character pitch and proportional spacing.

CHARACTER HIGHLIGHT SELECTION

Commands for character enhancements like bold, italic, and double width.

CHARACTER SET SELECTION

Commands for selecting alternate character sets.

BIT IMAGE (GRAPHICS) MODE SELECTION

Commands for selecting bit image density and modes.

PAPER FEED SELECTION-Amount

Commands for setting paper feed amounts.

PAPER FEED SELECTION-Execution

Commands for executing paper feeds like line feed and form feed.

PAGE FORMAT CONTROL

Commands for setting page length, margins, and skip perforation.

TABULATION-Horizontal

Commands for setting and executing horizontal tabs.

TABULATION-Vertical

Commands for setting and executing vertical tabs.

CARRIAGE CONTROL

Commands for carriage movement and line control.

DATA CONTROL

Commands for buffer management and printer selection.

DOWNLOAD CHARACTER SELECTION

Command to define downloadable fonts.

MISCELLANEOUS

Miscellaneous commands like buzzer, escape, and null.

PRINT MODE SELECT:

Commands to select font and print quality.

FONT STYLE:

Commands to select different font styles.

SUB/SUPERSCRIPT FONT:

Commands for sub/superscript font printing.

ELITE PITCH:

Commands to set printing to 12 characters per inch.

COMPRESSED PITCH:

Commands to set printing to 17 characters per inch.

PROPORTIONAL SPACING:

Commands to set proportional spacing between characters.

EMPHASIZED PRINTING:

Commands to set printing to twice the horizontal dot density.

DOUBLE STRIKE PRINTING:

Commands to set double strike character printing.

DOUBLE WIDE PRINTING-SINGLE LINE:

Commands for single-line double wide character printing.

DOUBLE WIDE PRINTING:

Commands to set double wide (elongated) character printing.

DOUBLE HIGH AND DOUBLE WIDE PRINTING:

Commands for double high, double wide, or both.

UNDERLINING:

Commands to set continuous underlining of characters.

OVERLINING:

Commands to set continuous overlining of characters.

IBM CHARACTER SET I:

Command to select IBM Proprinter X24 character set 1.

IBM CHARACTER SET II:

Command to select IBM Proprinter X24 character set 2.

8-PIN STANDARD DENSITY GRAPHICS:

Commands for 8-pin graphics at standard density.

8-PIN DOUBLE DENSITY GRAPHICS:

Commands for 8-pin graphics at double density.

DOUBLE SPEED, DOUBLE DENSITY GRAPHICS:

Commands for 8-pin graphics at double speed/double density.

8-PIN QUADRUPLE DENSITY GRAPHICS:

Commands for 8-pin graphics at quadruple density.

BIT IMAGE MODE SELECTION (AGM):

Selects bit image modes based on AGM setting.

BIT IMAGE MODE SELECTION:

Selects bit image modes for 8-pin or 24-pin graphics.

1/8 INCH PAPER FEED

Command to set paper feed amount to 1/8 inch.

7/72 INCH PAPER FEED:

Command to set paper feed amount to 7/72 inch.

LINE SPACING:

Executes line spacing set by ESC+"A"+n.

n/72 INCH PAPER FEED SELECTION:

Command to set programmable paper feed to n/72 inch.

n/216 INCH PAPER FEED SELECTION:

Command to set programmable paper feed to n/216 inch.

LINE FEED PITCH SELECTION

Selects line base unit for ESC+"3" and ESC+"]".

AUTOMATIC LINE FEED MODE:

Automatically executes a Line Feed after a Carriage Return.

LINE FEED (LF):

Command to print data and execute a single line feed.

FORM FEED (FF):

Command to feed paper to the next top-of-form position.

n/216 INCH PAPER FEED SELECTION:

Prints buffer data and feeds paper n/216 or n/180 inch.

PAGE LENGTH (INCHES):

Commands to set page length in inches.

PAGE LENGTH (LINES):

Commands to set page length in number of lines.

MARGIN SET:

Commands to set left and right margins.

SKIP PERFORATION:

Commands to set skip perforation at the bottom of the page.

TOP OF FORM:

Command to set the top of form position.

HORIZONTAL TAB STOP SETTING:

Commands to set horizontal tab stop positions.

HORIZONTAL TAB EXECUTION:

Command to execute horizontal tabs.

VERTICAL TAB STOP SETTING:

Commands to set vertical tabulation positions.

VERTICAL TAB EXECUTION:

Command to execute vertical tabs.

ALL TAB INITIAL CLEAR:

Resets all tabs to power-on settings.

BACKSPACE:

Prints data and backspaces one space.

CARRIAGE RETURN:

Prints buffer data and designates next line start.

SINGLE DIRECTION:

Sets single direction printing mode.

RELATIVE HORIZONTAL POSITION:

Moves printhead to a relative horizontal position.

CANCEL:

Clears all data in the printer's buffer.

REMOTE PRINTER SELECT:

Selects the printer remotely to receive data.

REMOTE DESELECT PRINTER:

Deselects printer remotely, disabling data reception.

FONT DOWNLOADING:

Defines downloadable characters into specified RAM locations.

BELL:

Command to sound the printer's buzzer.

ESCAPE:

First byte of multi-byte printer control codes.

NULL:

Last byte of certain multi-byte printer control codes.

ALL CHARACTER CHART PRINTING (Continuous):

Prints characters continuously from the All Character Chart.

ALL CHARACTER CHART PRINTING (Single):

Prints a single character from the All Character Chart.

SETS OFF LINE MODE:

Stops printing and enters OFF LINE mode.

8. Interfacing

Parallel Interfacing

Communication via parallel interface based on Centronics standard.

Pin Configuration (Parallel)

Details the pin configuration for the parallel interface connector.

Connector pin signals

Explanation of signals like STROBE, DATA, ACK, BUSY, and PAPER OUT.

SLCT...SELECT

Output signal indicating printer's ON LINE or OFF LINE state.

AUTO FEED XT (AFXT)

Input signal determining if LF is added to carriage return.

SG...SIGNAL GROUND

Signal ground connection.

FG...FRAME GROUND

Frame ground connection.

+5 V

For evaluation only, not for external equipment power.

PRIME

Input signal used to initialize or reset the printer.

ERROR

Output signal indicating error or fault conditions.

Timing Chart (When normal printing code is received)

Diagram showing timing signals for data transfer.

9. Maintenance

Precautions

General precautions for printer care to extend its life.

Periodic Maintenance

Recommendations for cleaning the printer unit.

Ribbon Cassette

Information on ribbon yield, replacement, and troubleshooting.

Troubleshooting

Guidance on identifying and correcting common printer problems.

Appendix A

Epson LQ-850 Italic Character Set

Table showing italic character mappings for Epson LQ-850.

Epson LQ-850 Graphic Character Set 1

Table displaying graphic characters for Set 1 in Epson LQ-850.

Epson LQ-850 Graphic Character Set 2

Table displaying graphic characters for Set 2 in Epson LQ-850.

IBM Proprinter X24 Character Set 1

Table showing character mappings for IBM Proprinter X24 Set 1.

IBM Proprinter X24 Character Set 2

Table showing character mappings for IBM Proprinter X24 Set 2.

IBM Proprinter X24 All Character Chart

Comprehensive chart of all characters for IBM Proprinter X24.

International Character Set

Table of international and LEGAL character sets.

Appendix B

Proportional Spacing Tables

Tables detailing proportional spacing widths for ASCII characters.

Epson LQ-850 mode characters

Proportional spacing data for Epson LQ-850 mode.

IBM Proprinter X24 mode characters

Proportional spacing data for IBM Proprinter X24 mode.

IBM Graphic Characters

Graphic character data for Epson LQ-850 mode.

Epson LQ-850 mode characters

Graphic character data for Epson LQ-850 mode.

IBM Proprinter X24 mode characters

Graphic character data for IBM Proprinter X24 mode.

Appendix C

Structure of an Index table entry

Details the structure of an index table entry.

10 cpi draft font

Index table data for 10 cpi draft font.

12 cpi LQ font

Index table data for 12 cpi LQ font.

Appendix D

Download Character Matrix Blanks: Draft

Blank matrix for designing draft characters (24x11).

Download Character Matrix Blank: LQ

Blank matrix for designing LQ characters (24x37).

Appendix E

Paper Specifications

Details paper specifications for fanfold paper.

1. Fanfold paper

Specifications for fanfold paper, including width and quality.

2. Single Sheet

Specifications for single sheet paper, including width, height, and weight.

3. Envelope

Recommendations for envelope sizes for printing.

Appendix F

Printing Area

Defines the printable areas on continuous paper.

1. Continuous paper

Diagram showing printing area dimensions for continuous paper.

2. Single sheet and Envelope

Diagram showing printing area dimensions for single sheets and envelopes.

Appendix G

Glossary

Definitions of technical terms used in the manual.

ASCII:

Definition of American Standard Code for Information Interchange.

BASIC:

Definition of Beginner's All-purpose Symbolic Instruction Code.

Baud (baud rate):

Definition of data transmission speed unit.

Bidirectional printing:

Explanation of printing in both directions to increase speed.

Binary:

Definition of the numbering system using 0s and 1s.

Bit:

Definition of the smallest unit of information.

Buffer:

Definition of a temporary data storage area.

Byte:

Definition of a unit of information equivalent to eight bits.

Character set:

Definition of a set of characters, numbers, and symbols.

Control codes:

Commands from computer to printer for controlling functions.

Control Table:

Table on EZ Set Operator Panel for selecting features.

cpi:

Abbreviation for characters per inch.

cpl:

Abbreviation for characters per line.

cps:

Abbreviation for characters per second.

CR (Carriage Return):

Control code returning printhead to left margin.

Decimal (Dec.):

Definition of the decimal numbering system.

Default:

Meaning of previously set or factory settings.

Double strike printing:

Enhancement mode using two printhead passes for darker text.

Double high printing:

Makes character height twice that of normal.

Double width printing:

Makes character width twice that of normal.

Download character:

User-designed character for printing.

Draft:

Printer quality mode maximizing printing speed.

Emphasized printing:

Enhancement for darker characters via half-speed printing.

Emulation:

Operating like another printer, e.g., Epson LQ-850 or IBM Proprinter X24.

Escape (ESC) sequence:

Control code sequence initiating most printer commands.

Fanfold paper:

Continuous paper with sprocket holes, separated by perforations.

FF (Form Feed):

Control code advancing paper one page.

Font:

Style and size of type.

FORTRAN:

Definition of the FORTRAN programming language.

Hexadecimal:

Definition of the hexadecimal numbering system.

Initialization:

Process of resetting the printer to initial start-up conditions.

Interface:

Connection between computer and printer systems.

I/O:

Symbolic notation for Input/Output.

LF (Line Feed):

Control code advancing paper one line.

LSB:

Acronym for Least Significant Bit.

MACRO memory function:

Feature to save and recall printer functions.

MICRO LINE FEED:

Function to feed paper by one micro line.

MSB:

Acronym for Most Significant Bit.

Letter quality (LQ):

Print quality mode improving print quality but decreasing speed.

OFF LINE:

Printer state where communication with computer is not possible.

ON LINE:

Printer state where communication with computer is possible.

Overline printing:

Prints a continuous line above characters.

Parallel interface:

Connection method for parallel communication.

Parity:

Method for checking data transfer accuracy.

PASCAL:

Definition of the PASCAL programming language.

Perforation:

Indicates tear position on fanfold paper.

Pitch:

Number of characters per inch.

Platen

Rubber roller backing for paper during printing.

Printer drivers:

Software that controls printer functions and features.

Proportional spacing (PS):

Printing method adjusting space based on character width.

Protocol:

Rules for communication over serial interfaces.

QUIET mode:

Feature reducing printing noise.

RAM:

Memory for storing print data, cleared when printer is off.

ROM:

Memory for predefined characters and operating information, not cleared when off.

Self test:

Method for testing printer operation.

Serial interface:

Connection method for serial communication.

Shielded Cable:

Cable with metal wrap for radio interference protection.

Skip perforation:

Area before/after perforation where nothing is printed.

String concatenation:

Joining two or more bytes into a single command.

Top of Form:

First line position on paper for alignment.

Unidirectional printing:

Prints left-to-right only, slower speed but better vertical alignment.

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