Educational Guides
Concept and how-it-works explainers covering the core mechanisms, standards, and vocabulary of printing and scanning technology — color reproduction, page description languages, printing protocols, imaging pipelines, consumables, and paper — that are not already served by a narrower brand, history, troubleshooting, workflow, fax, mobile-printing, or single-term glossary page. Pages are neutral, standards-first reference explainers buildable from durable public knowledge.
Planned cluster · long-term capacity 42–80
Entities
PostScript · PCL (Printer Command Language) · PDF · ICC profile · PPD (PostScript Printer Description)
IPP (Internet Printing Protocol)
IPP Everywhere · ISO 216 · TWAIN
PWG (Printer Working Group) · IETF · ISO · ICC (International Color Consortium)
CMYK · Color gamut · Halftoning · Raster image processor · Automatic document feeder · Multifunction printer
CUPS
Connected clusters
In the archive
Pages in this cluster
- Print Rendering Pipeline
- Driverless Printing
- Printer Control Electronics (Formatter & Engine Control)
- Linux Printing
- Print Queue Lifecycle
- Monitor-to-Printer Matching
- What Is PostScript Printing?
- Windows GDI Printing
- OpenPrinting
- Printer Discovery
- Cloud Print Architectures
- Sheet-Fed Scanners
- Document scanners
- Color gamut and gamut mapping
- Printer Profiling
- RGB-to-CMYK Conversion
- Laser Printing
- LED Printing
- macOS Printing
- CUPS Architecture
- Universal Print Drivers
- Pull Printing and Follow-Me Printing
- ADF Scanners (Automatic Document Feeders)
- Drum Scanners
Planned coverage
- How Color Management Works — Explains ICC profiles, color spaces, and the rendering pipeline that keeps color consistent from screen to print.
- What Is CMYK Color Printing? — Subtractive color model and why printers combine cyan, magenta, yellow, and black to reproduce color.
- What Is Color Gamut? — Defines the range of reproducible colors and why printed and displayed gamuts differ.
- How Halftoning Works — How continuous-tone images become patterns of dots that simulate shades using limited inks.
- How Dithering Works in Printing — Error-diffusion and ordered dithering techniques for approximating colors and gray levels.
- What Is PCL (Printer Command Language)? — Origins and role of PCL as a page description language and how it differs from PostScript.
- How Page Description Languages Work — The concept of describing a page to a printer, comparing PostScript, PCL, and PDF-based workflows.
- How Inkjet Printheads Work — Thermal versus piezoelectric drop-on-demand mechanisms that eject ink droplets.
- What Is a Drum Unit? — The role of the photosensitive drum in electrophotographic printing and how it relates to toner.
- How Borderless Printing Works — Why margins normally exist and how edge-to-edge printing overspray achieves a full-bleed page.
- How Secure Print Release Works — The pull-printing concept where jobs are held until a user authenticates at the device.
- How USB Printing Works — The USB printing class and how a computer discovers and communicates with a directly connected printer.
- Understanding Paper Sizes — The ISO 216 A-series and North American Letter/Legal systems and the math behind A4.
- Understanding Paper Weight — GSM versus pound basis weight, caliper, and how paper weight affects printing and feeding.