A muffin maker comprises a support device, a main body and a collecting plate. In addition, a block with the same distance as the AF area is determined as a main subject block. The tractor unit has first coupling means provided on a fifth wheel which engages with second coupling means typically in the form of a kingpin on the trailer unit. Results of the web operation applied to the web data store is received. 5\xd7Tw, where Fd denotes a position of an end of the DC written region with respect to an end of the servo signal, and Tw denotes a width of the data track. The ink tank is mounted to a scanning carriage by the mounting portions being fitted into a holding unit of the scanning carriage.