| 摘要 |
PROBLEM TO BE SOLVED: To provide a large printer in which an upper unit having a center of gravity at the rear side is held so as not to fall and can be easily set top a lower unit in an overlapping manner. SOLUTION: An insert part 52 is formed at the front side of a mount face of an upper unit A and a receive part 62 is set at the front side of a mount face of a lower unit B. The insert part 52 is inserted to the receive part 62 from the rear side, so that the upper unit A is prohibited from falling to the rear side. Moreover, a projection 71 and an engagement hole 72 set to both mount faces are registered when the lower unit B and upper unit A are overlapped.
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