HP N31.5 - Manual (Page 25)

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3 BUBBLE LEVEL
Use this bubble level, along with the four levelling screws (1), to make sure
that the Nº31.5’s transport assembly is level.
4 LASER ASSEMBLY
This assembly contains the Nº31.5’s laser pickup, the device that reads the
underside of the CD.
Caution: Never touch or attempt to clean the laser assembly.
The Disc Damper To clamp a CD onto its spindle, the Nº31.5 uses a disc damper held in
place by a strong magnet:
Disc damper
Spindle
Compact disc
Always make sure that the disc damper is in place before closing the lid. If
you close the lid without the disc damper in place, the display will show
NO DAMPER and you’ll be unable to play the CD.
When loading a CD for play, install the CD on the spindle, then place the
disc damper on top of the CD.
The CD and the disc damper must be centered on the spindle. You’ll feel
the disc damper’s magnet “catch” when both are centered.
Removing the Disc Damper When removing a CD from the spindle, first remove the disc damper. To
prevent damage to the CD, gently hold it down by the edge with the tip of
one finger while pulling up on the disc damper’s knob, as shown below:
…while gently
holding down
the edge of
the CD
Pull
straight up
on the
damper's knob…
To overcome the magnet, you’ll need to give it a firm pull.
Caution: When the Disc Damper clamps the CD onto the spindle, its
strong magnet forces the air from between the damper and
the CD. If you don’t follow the removal procedure outlined
above, the CD may stick briefly to the damper’s energy-
absorbing surface after the magnet is released. If the CD is
stuck to the damper when you remove them from the spindle,
take care not to let it fall.