User guide

Part I
LA75 Plus Companion Printer
Part I of the Digital ANSI-Compliant Printing Protocol Level 2 Programming
Supplement describes the DEC PPL2 protocol as implemented by the LA75
Plus Companion Printer.
• Chapter 1 describes the basic features and characteristics of the LA75 Plus
Companion Printer.
• Chapter 2 describes the printing of the physical page on the LA75 Plus
Companion Printer.
• Chapter 3 describes the initial state of the printer.
• Chapter 4 describes how status and error messages are handled.
• Chapter 5 describes the fonts and font cartridges available on the LA75
Plus Companion Printer.
• Chapter 6 describes the sixel graphics considerations for the LA75 Plus
Companion Printer.
• Chapter 7 describes the control characters and their functions on the LA75
Plus Companion Printer.