Cleaning

Thermal head and head cover

If dirty patterns or black/white bands appear on a copied/received document, check whether there is dust on the thermal head and head cover. Clean them to remove the dust.

1 Disconnect the power cord and the telephone line cord.

Telephone line cord

3 Clean the thermal head and head cover with a cloth moistened with isopropyl rubbing alcohol, and let all parts dry thoroughly.

Head cover

Thermal head

Power cord

2 Open the cover by pressing the cover open button and remove the recording paper roll.

4 Connect the power cord and the telephone line cord.

Telephone line cord

Power cord

Cover open button

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Panasonic KX-FT74HK, KX-FT78HK quick start Thermal head and head cover