11. Maintenance

11.4 Thermal head cleaning

If smudges or black/white lines appear on a copied/received document, check whether there is dust on the thermal head. Clean the thermal head to remove the dust.

Important:

LRemove the recording paper, then remove the paper tray beforehand, otherwise the paper may misfeed or jam.

1Disconnect the power cord and the telephone line cord.

2Open the front cover (1), push the green button (2), then open the back cover (3).

3

2

1

3Remove the ink film (4).

4

4Clean the thermal head (5) with a cloth moistened with isopropyl rubbing alcohol, and let it dry thoroughly.

Caution:

LTo prevent a malfunction due to static electricity, do not use a dry cloth and do not touch the thermal head directly.

5

5Re-install the ink film and close the covers (see step 4 to 7 on page 11).

6Install the paper tray (page 12), then insert the recording paper gently (page 13).

7Connect the power cord and the telephone line cord.

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Panasonic KX-FG2451 manual Thermal head cleaning