A Class A (or ABC) extinguisher would be used to extinguish a paper fire.
Class A - Ordinary Combustibles
Class B - Flammable liquids
Class C - Electrical fires
Class D - Flammable metals
Class K - Kitchen fires (organic fats/grease)
A burning box of wood or paper would require a type A extinguisher.
A type A is for wood, paper, cloth and trash.
A type A or Class A fire extinguisher is used on a Class A fire, that is, one involving "ordinary combustibles" such as paper, cloth, wood and small amounts of plastics.
For fires involving wood, paper, and fabric, I would recommend using a Class A fire extinguisher. These extinguishers are designed to put out fires involving ordinary combustible materials like wood, paper, and fabric.
A typical restaurant would require at least one Type ABC fire extinguisher plus a Type K fire extinguisher near the kitchen (for grease and fryer fires).
class c fire extinguisher
Type A - water, Foam and dry chemical
You need to use a Class B extinguisher on flammable liquids.
A Class A fire extinguisher is the least expensive and most easily available type of extinguisher to use on wood or paper fires. They are normally filled with water or water-based foam and pressurized with air.
Type A is used for combination fires: TRASH, WOOD & PAPER.
A water fire extinguisher (called a "Class A"extinguisher) is only useful on fires involving wood, paper, cardboard, and most plastics. An extinguisher labelled "Class B" is for fires involving flammable liquids, and "Class C" is for electrical equipment fires.
It will put out burning fluids.