Fanfold - Continuous stationery, typically used for computer print-outs and invoices. Holes running down both sides allow the use of pin or tractor feeds.

Filler - extra material used to complete a column or page, usually of little importance.

Flag - the designed title of a newspaper as it appears at the top of page one.

Flexography - a rotary letterpress process printing from rubber or flexible plates and using fast drying inks. Mainly used for packaging.

Fit - Printers' terminology for the accurate positioning of one colour with another on a printed sheet. Also known as register or registration.

Floating accent - an accent mark which is set separately from the main character and is then placed either over or under it.

Flush left - copy aligned along the left margin.

Flush right - copy aligned along the right margin.

Flyer - an inexpensively produced circular used for promotional distribution.

Flying Imprinter - A device on a printing unit of a web press which allows for one plate to be changed without stopping the machine.

Folio - The page number.

Forme - In printing, one side of assembled pages or other images for printing. In die-cutting, the wooden board in which the cutting, creasing and perforating rules are mounted

Foil blocking - a process for stamping a design on a book cover without ink by using a coloured foil with pressure from a heated die or block.

Font (or fount) - a complete set of characters in a typeface.

Four colour process - printing in full colour using four colour separation negatives - yellow, magenta, cyan and black.

FPO - An acronym (For Position Only) used in mechanical presentation to identify the crop specifications on a specific piece of composition

French fold - a sheet which has been printed on one side only and then folded with two right angle folds to form a four page uncut section. (For more information on folds, please refer to Folding Techniques Menu under Print Workshop.)