The following information is provided as is, and the authors take no responsibility for the correctness.

Formats and Protocols

Page Description Languages Printer Page Description and Markup Languages.
Control and Communication Printer Control Languages and and Printer Managment Languages/Interfaces.
Hardware Protocols Printer Communication Protocols and physical I/O channel specifications.
File Formats File Formats used by spooler systems and printer deamons.
Font Formats Font File Formats