LJ250/LJ252 Companion Color Printer Programmer Reference Manual

Part	Date	Title
EK-LJ250-RM-001	1987-08	LJ250/LJ252 Companion Color Printer Programmer Reference Manual
EK-LJ250-RM-002	1988-02	LJ250/LJ252 Companion Color Printer Programmer Reference Manual

Table of Contents (from EK-LJ250-RM-002)

Part 1 General Features
1 Features
- 1.1 General
  - 1.1.1 Text Mode
  - 1.1.2 Sixel Graphic Mode
  - 1.1.3 Transparency Mode
  - 1.1.4 Color Mapping
  - 1.1.5 Companion Color Printer Features
- 1.2 Specifications
2 Printer Communication and Controls
- 2.1 Serial Data Interface
  - 2.1.1 EIA Interface Connector
  - 2.1.2 Interface Signals
    - 2.1.2.1 Send Common
    - 2.1.2.2 Receive Data
    - 2.1.2.3 Send Data
    - 2.1.2.4 Terminal Ready
    - 2.1.2.5 Request to Send
    - 2.1.2.6 Busy or Ready
    - 2.1.2.7 Signal Ground
  - 2.1.3 Data Format
  - 2.1.4 Baud Rates
  - 2.1.5 Input Buffer Control
    - 2.1.5.1 XON/XOFF Control
    - 2.1.5.2 DTR Handshake
- 2.2 Parallel Data Interface
  - 2.2.1 Parallel Interface Connector
  - 2.2.2 Parallel Interface Signals
- 2.3 Control Panel and Operating Modes
  - 2.3.1 Printer Operating Controls and Indicators
  - 2.3.2 Self-Tests
    - 2.3.2.1 Power-Up Self-Test
    - 2.3.2.2 Printing Self-Test
    - 2.3.2.3 Loopback Self-Test
    - 2.3.2.4 Color Palette Display
    - 2.3.2.5 Remote Self-Test (PCL Only)
- 2.4 Configuring Your Printer
  - 2.4.1 Configuration Protocol
  - 2.4.2 Configuration Switches for LJ250 (Serial) Printer
  - 2.4.3 Configuration Switches for LJ252 (Parallel) Printer
- 2.5 Connection & Setup For Some Specific Color Systems
  - 2.5.1 VT241
  - 2.5.2 VT340
  - 2.5.3 VAXstation
- 2.6 Using the Companion Color Printer
Part 2 Companion Color Printer in DEC-Compatible Mode
3 Character Processing
- 3.1 DEC Conformance Level Introduction
- 3.2 Coding Standards
- 3.3 7-Bit and 8-Bit Environments
- 3.4 Character Set Mapping
- 3.5 DEC Control Characters
  - 3.5.1 C0 (7-Bit) Control Characters
    - 3.5.1.1 Backspace (BS)
    - 3.5.1.2 Horizontal Tab (HT)
    - 3.5.1.3 Line Feed (LF)
    - 3.5.1.4 Vertical Tab (VT)
    - 3.5.1.5 Form Feed (FF)
    - 3.5.1.6 Carriage Return (CR)
    - 3.5.1.7 Shift Out (SO)
    - 3.5.1.8 Shift In (SI)
    - 3.5.1.9 Null (NUL)
    - 3.5.1.10 XON (DC1)
    - 3.5.1.11 XOFF (DC3)
    - 3.5.1.12 Cancel (CAN)
    - 3.5.1.13 Substitute (SUB)
    - 3.5.1.14 Escape (ESC)
  - 3.5.2 C1 (8-Bit) Text Control Characters
    - 3.5.2.1 Partial Line Down (PLD)
    - 3.5.2.2 Partial Line Up (PLU)
    - 3.5.2.3 IND, NEL, HTS, and VTS
    - 3.5.2.4 Single Shift 2 (SS2)
    - 3.5.2.5 Single Shift 3 (SS3)
    - 3.5.2.6 Device Control String (DCS) Introducer
    - 3.5.2.7 Control Sequence Introducer (CSI)
    - 3.5.2.8 String Terminator (ST)
    - 3.5.2.9 OSC, PM, and APC
- 3.6 Printable, Space, and Special Characters
- 3.7 Character Cell
4 Escape and Control Sequences for Text Mode
- 4.1 Escape Sequence, Control Sequence, and Control String Formats
  - 4.1.1 Escape Sequence Format
  - 4.1.2 Control Sequence Format
  - 4.1.3 Control String Format
  - 4.1.4 Error Handling
- 4.2 7-Bit and 8-Bit Conversions
  - 4.2.1 7-Bit Sequence to 8-Bit C1 Control Character
  - 4.2.2 8-Bit C1 Control Character to 7-Bit Sequence
  - 4.2.3 Converting 8-Bit GR Selecting to 7-Bit Equivalent
  - 4.2.4 C1 Control Character Transmit and Receive
- 4.3 DEC Conformance Levels
  - 4.3.1 Level 1 and Level 2 Function Summary
  - 4.3.2 Factory Set Power-On Status
- 4.4 Level 1 Functions
  - 4.4.1 Horizontal Pitch (DECSHORP)
  - 4.4.2 Vertical Pitch (DECVERP)
  - 4.4.3 Page Length (DECSLPP)
  - 4.4.4 Partial-line Paper Motion (PLD and PLU)
  - 4.4.5 Character Set Selection
    - 4.4.5.1 Select Character Set Sequences
    - 4.4.5.2 Single and Locking Shifts
    - 4.4.5.3 User Supplemental Character Set (DECAUPSS)
  - 4.4.6 Highlighting Your Printing (SGR)
    - 4.4.6.1 Select Graphic Rendition (SGR) Sequence
    - 4.4.6.2 DEC Private SGR Sequence
- 4.5 Level 2 Functions
  - 4.5.1 Set Page Width Alignment (DECHPWA)
  - 4.5.2 Set Left and Right Margins (DECSLRM)
  - 4.5.3 Horizontal Tabs
    - 4.5.3.1 Horizontal Tabulation Set Control Code (HTS)
    - 4.5.3.2 Horizontal Tabulation Set (DECHTS)
    - 4.5.3.3 Set Horizontal Tabulation Stops (DECSHTS)
    - 4.5.3.4 Tabulation Clear (TBC)
    - 4.5.3.5 Clear All Horizontal Tabs (DECCAHT)
  - 4.5.4 Set Top and Bottom Margins (DECSTBM)
  - 4.5.5 Vertical Tabs
    - 4.5.5.1 Vertical Tab Set Control Code (VTS)
    - 4.5.5.2 Vertical Tab Set (DECVTS)
    - 4.5.5.3 Set Vertical Tab Stops (DECSVTS)
    - 4.5.5.4 Tabulation Clear (TBC)
    - 4.5.5.5 Clear All Vertical Tabs (DECCAVT)
  - 4.5.6 Active Column and Active Line Commands
    - 4.5.6.1 Forward Index Control Code (IND)
    - 4.5.6.2 Next Line Control Code (NEL)
    - 4.5.6.3 Autowrap Mode (DECAWM)
    - 4.5.6.4 Carriage Return New Line Mode (DECCRNLM)
    - 4.5.6.5 Linefeed New Line Mode (LNM)
    - 4.5.6.6 Horizontal Position Absolute (HPA)
    - 4.5.6.7 Horizontal Position Relative (HPR)
    - 4.5.6.8 Vertical Position Absolute (VPA)
    - 4.5.6.9 Vertical Position Relative (VPR)
  - 4.5.7 Unidirectional/Bidirectional Printing (DECUPM)
  - 4.5.8 Automatic Sheet Feeder Control (DECASFC)
5 Status, Report, and Reset Sequences
- 5.1 Hewlett-Packard PCL Emulation Mode (DECHPPCL)
- 5.2 Set Conformance Level (DECSCL)
- 5.3 Product Identification Sequences (DA)
  - 5.3.1 Primary Device Attributes
  - 5.3.2 Secondary Device Attributes
- 5.4 Device Status Request (DSR)
- 5.5 Device Status Report (DSR)
- 5.6 Reset to Initial State (RIS)
- 5.7 Soft Terminal Reset (DECSTR)
- 5.8 Business Color Matching Mode (DECBCMM)
6 Sixel Graphic Mode
- 6.1 Overview
- 6.2 Selecting Graphic Mode (Sixel Protocol)
  - 6.2.1 String Introducer
  - 6.2.2 Protocol Selector
    - 6.2.2.1 Macro Parameter (Ps1)
    - 6.2.2.2 Background Select (Ps2)
    - 6.2.2.3 Horizontal Grid Size (Pn3)
    - 6.2.2.4 Additional Parameters (Ps?)
    - 6.2.2.5 Final Character (q)
  - 6.2.3 Picture Data
  - 6.2.4 String Terminator (ST)
- 6.3 Character Processing in Sixel Graphic Mode
  - 6.3.1 Sixel Printable Characters
  - 6.3.2 Sixel Control Codes
    - 6.3.2.1 Repeat Introducer (!) and Sequence
    - 6.3.2.2 Set Raster Attributes Sequence
    - 6.3.2.3 Graphic Carriage Return ($)
    - 6.3.2.4 Graphic New Line (-)
    - 6.3.2.5 Numeric Parameters (0 to 9)
    - 6.3.2.6 Parameter Separator (;)
  - 6.3.3 Color Introducer (#)
    - 6.3.3.1 HLS Sequence (Hue/Lightness/Saturation)
    - 6.3.3.2 RGB Sequence (Red/Green/Blue)
  - 6.3.4 Graphic C0 Control Characters
  - 6.3.5 Graphic Substitute (SUB) Character
  - 6.3.6 Leaving Sixel Graphic Mode
  - 6.3.7 Printer State After Leaving Graphic Mode
Part 3 Companion Color Printer in HP PCL Mode
7 HP PCL Features
- 7.1 General
  - 7.1.1 Protocol
  - 7.1.2 Modes of Operation
    - 7.1.2.1 Transparency Mode
    - 7.1.2.2 Display Function Mode
  - 7.1.3 Specifications
- 7.2 Printer Interface and Control Panel in PCL Mode
- 7.3 Power On Status (Default Features)
- 7.4 PCL Control Codes
  - 7.4.1 Backspace (BS)
  - 7.4.2 Line Feed (LF)
  - 7.4.3 Form Feed (FF)
  - 7.4.4 Carriage Return
  - 7.4.5 Shift Out (SO)
  - 7.4.6 Shift In (SI)
  - 7.4.7 Escape (ESC)
  - 7.4.8 Space (SP)
- 7.5 PCL Escape Sequences
  - 7.5.1 PCL Escape Sequences for Print Features
    - 7.5.1.1 Advance Paper One-half Line Feed
    - 7.5.1.2 Pseudo-hard Reset
    - 7.5.1.3 Display Function
    - 7.5.1.4 Self-Test
    - 7.5.1.5 Horizontal Cursor Positioning
    - 7.5.1.6 Vertical Cursor Positioning
    - 7.5.1.7 Underlining
    - 7.5.1.8 Line Termination
    - 7.5.1.9 Character Pitch
    - 7.5.1.10 Print Mode (Motion)
    - 7.5.1.11 Line Spacing
    - 7.5.1.12 Text Length
    - 7.5.1.13 Perforation Skip Enable
    - 7.5.1.14 Page Length
    - 7.5.1.15 Transfer Print Data
    - 7.5.1.16 Text Color
    - 7.5.1.17 Bolding
  - 7.5.2 Character Set Escape Sequences
    - 7.5.2.1 Designating the Font
    - 7.5.2.2 Setting Default Character Set
    - 7.5.2.3 Selecting Character Sets
    - 7.5.2.4 Stroke Weights
    - 7.5.2.5 Downloaded Characters and Fonts
  - 7.5.3 Raster Graphics Escape Sequences for PCL
    - 7.5.3.1 Transmission Mode
    - 7.5.3.2 Raster Data Transfer By Plane
    - 7.5.3.3 Raster Data Transfer By Row
    - 7.5.3.4 Temporary X Offset
    - 7.5.3.5 Temporary Y Offset
    - 7.5.3.6 Prepare for Raster Graphics
    - 7.5.3.7 Raster Graphic Complete
    - 7.5.3.8 Pixels Per Row
    - 7.5.3.9 Data Planes Per Row
    - 7.5.3.10 Graphics Resolution
    - 7.5.3.11 Color Parameters
    - 7.5.3.12 Index Number Assignments
- 7.6 PCL Color Map
Appendix A Character Sets
Appendix B Text Mode Programming Examples
Appendix C Test Pattern
Appendix D Color Maps

Company:	Digital Equipment Corporation
Part:	EK-LJ250-RM
Keywords:

Address:	https://vt100.net/dec/lj250rm2-a.pdf
Site:	VT100.net
Format:	PDF
Size:	1518707 bytes (1.4 MiB)
Notes:	Appendix A "Character Sets" only

Address:	http://bitsavers.org/pdf/dec/printer/lj250/EK-LJ250-RM-001.pdf
Site:	Al Kossow's Bitsavers
Format:	PDF
Size:	34937995 bytes (33.3 MiB)
Mirrors:	trailing-edge.com bighole.nl textfiles.com mirrorservice.org

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LJ250/LJ252 Companion Color Printer Programmer Reference Manual

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Table of Contents (from EK-LJ250-RM-002)