Fax Header Bar
Definition
The line of text printed at the top of each received fax page under regulatory requirements (US FCC 47 CFR 68.318, UK Ofcom, EU Directive 2002/58/EC), carrying the sender CSID, transmission date-time, and page number.
Related terms
- Copy Generation
- The number of copying steps between the original document and the copy under examination; each generation introduces resolution loss, noise amplification, and...
- CSID (Called Subscriber Identification)
- The configurable name string transmitted by a fax machine during session setup and printed in the fax header bar on the received...
- FTIR (Fourier Transform Infrared Spectroscopy)
- A vibrational spectroscopy technique used in toner analysis to identify the polymer backbone and functional group composition of toner binder material; ATR...
- Ghost Image
- A faint background impression of a previously copied document visible in a later photocopy, arising from incomplete cleaning of residual toner from...
- MMR Compression (Modified Modified READ)
- An ITU-T fax compression standard (T.6) used in high-quality fax transmission modes; produces characteristic compression artefacts visible in fine character strokes of...
- Platen Glass
- The flat transparent surface on which original documents are placed for scanning in a photocopier or flatbed scanner; contamination or scratches on...
- Polyester Toner
- A toner binder formulation based on polyester resin, dominant in office photocopiers and laser printers from the 2000s onward; characterised by FTIR...
- SEM-EDX
- Scanning electron microscopy with energy-dispersive X-ray spectroscopy. The electron beam excites characteristic X-rays from each element present in the target grain, giving...
- Trash Mark
- An extraneous mark appearing at a consistent position or periodic interval in photocopied documents, arising from platen glass contamination (fixed position) or...
Explained in
- Photocopier and Fax Examination, and Toner AnalysisThe line of text printed at the top of each received fax page under regulatory requirements (US FCC 47 CFR 68.318, UK Ofcom, EU Directive 2002/58/EC), carrying...