Press Contact And Release Mechanism Of Thermal Head - Brother P-Touch QL-570 Service Manual

2.1.2

Press Contact and Release Mechanism of Thermal Head

The head ASSY is pressed firmly against on the platen ASSY by the force of head spring L. When
open the top cover, the release gear and release shaft are turned via link lever and platen release
lever and the release shaft presses down the head ASSY. This movement releases the head
ASSY from the platen ASSY. Tape can be set under this condition.
To press the head ASSY firmly against the platen ASSY, close the top cover. This close motion
can automatically press the head ASSY firmly against the platen ASSY.
Top cover
Top cover
Fig. 2.1-2 Press Contact and Release Mechanism of Thermal Head
Head spring L
Link lever
II- 2
Platen ASSY
Head ASSY
Platen release lever
Platen release
lever
Release gear
Release shaft