Philips HX7990/02 Manual page 9

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5 Attach the left brush head holder (L) to the
left side of the centre post until it clicks into
place.
Note: The brush head holders do not fit properly when
you place the right brush head holder first. Always start
with the left brush head holder.
6 Attach the right brush head holder (R) to the
right side of the centre post until it clicks into
place.
7 Place the drip tray back into the sanitiser.
8 Place the brush heads onto the brush head
holders with the bristles pointing towards the
UV light bulb.
Sanitising brush heads of two different types
If you want to sanitise brush heads of two different
types, use the appropriate brush head holder for
each type.
1 Select the appropriate brush head holder for
each type of brush head (see chapter 'General
description'. Sonicare e-series brush heads do
not require a brush head holder).
2 Follow the instructions given under 'Sanitising
Sonicare ProResults, Oral-B Flexisoft and Oral-
B FlossAction brush heads'.
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