Print Head Mechanism Block; Paper Feed Mechanism Block - Citizen MLT-288 Service Manual

(4) Up/Down mechanism of print head
The print head is normally held in the down condition. When the head-up lever is pushed up, the cam of the
lever rotates to push heat sink up and to separate the thermal head from the platen to put the thermal head in
the up condition.

2-3-4 Paper Feed Mechanism Block

For the paper feed mechanism, the platen, that is the core of the paper feed mechanism, rotates being driven by
the power transmission mechanism. Paper is supplied from the rear side of the printer, and transferred to the
upper part again through between the platen and head. Then, the paper is pressed to the platen by the head, and
is sent as the platen rotates.
Thermal head
Heat sink
Cam of head up lever
Thermal head
Down condition
7
Platen
Up condition
Platen
Rear
Roll paper
Paper sensor
MLT-288 Service Manual