Web supply systems

A web supply system for a ticket issuing machine system comprising a plurality of replaceable cassettes each containing a fan folded web of material comprising a sequence of tickets, each cassette having a web exit and web entrance, the cassettes being arranged side by side and the leading end of a first of the webs having connecting structure and being arranged to pass through the exit of that cassette for processing in an operating/ticket issuing machine and the trailing end of the web of each cassette (except the last) extending through the entrance of that cassette and being joined by mating connecting structure to the leading end of the web from the next adjacent cassette forming a composite web extending in a loop between adjacent cassettes, said loop passing around means exterior to the cassettes so that the composite web from all the cassettes can be supplied as a continuous web to process the sequences of tickets in the processing/ticket issuing machine.