The following power supplies which I think are for printers or scanners:
Canon K30279 (12V)
Li Shin LSE9802B1240 (12V)
Canon PA-V16 (13V)
Epson A110E (24V)
All DC, with pin in centre of tip. Feel free to ask other technical Qs if necessary. No need to take all.
Printer/Scanner Power Supplies (St Denys SO17)
Collection Times
Almost anytime, can leave outside
Almost anytime, can leave outside
Approximate Location
Show marker