Paper tray or cassette closing locking device for e.g. 4000 HP Laserjet printer, has lock with central slit for inserting key, and latch placed on inner guider of printer or in inner slit of printer to lock closing of paper tray using key

摘要

The device has a lock (1) with a central slit (2) for inserting a key. The lock can be fixed on a left side or a right side of a paper tray by a nut (8). A latch (4) is placed on an inner guider of a printer or in an inner slit of the printer for locking a closing of the paper tray by using the key.