Hp 220 Manuale Utente Scaricare il pdf (Pagina 38)

5Ć6 Functional Overview

C3187Ć90000

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Secondary flag

Primary flag

Photo sensor window

Media inserted

Leading edge of media

Drive roller

slow speed

outwards

D Media: pushes the primary flag

D Primary flag: rotates 90° clockwise (active)

D Secondary flag: still in previous position (active)

D Optical sensor: optical path cleared by primary flag

D Driver roller: rotates slowly outwards

...

D Front Panel: Load Media LED off, Busy LED on

D Media Length Measurement: rear edge detected when primary flag clears the sensor

The rear edge's position is located when the primary flag, pushed by the rear media edge,

clears the optical path.

If you pull the media parallel to the plotter length, while attempting to

clear a media jam, you could break the flags.

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Gripping the Media

 

When you load media, it is gripped by the pinchĆarms. (Illustration ' page 10Ć27.)

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The pinchĆarm sensor is an optical sensor that is attached to the right sideĆplate. It is used to

detect the position of the pinchĆarm lever. Linkage, attaching the lever to a sensor flag,

causes the flag to block and unblock the sensor as the pinchĆarms are raised and lowered.

The pinchĆarm sensor is electrically connected to the main PCA.

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Hp 220 Manuale Utente Pagina 38