| 摘要 |
A lifting plate provided in a sheet accommodating member is locked at a position, to which the lifting plate is downwardly turned against a pushing force of a spring, by a locking mechanism having a locking member configured to lock the lifting plate, and also having a lock releasing lever configured to release locking of the lifting plate by the locking member. When the sheet accommodating unit is mounted, the lock releasing lever is made to abut against a lock release member. Thus, the lock releasing lever is moved integrally with the locking member in a lock release direction. When the sheet accommodating unit is drawn out, the lock releasing lever is made to abut against the lock release member. Thus, the lock releasing lever is singly moved in a direction opposite to the lock release direction to maintain the locking of the lifting plate by the locking member.
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