Transport and handling of the fusing-lamp emitter
● Transport the IR emitter, in the packaging provided, to the place of installation.
CAUTION: If the IR emitter must be transported without its packaging, wear linen gloves.
F
ingerprints on the quartz tube will cause devitrification, which leads to radiation losses and
mechanical failure.
● Always carry the emitter with both hands. Carry it so that the cross-section faces up, to avoid
bending and br
eaking.
● Grip the emitter only by the glass tube, and not by the pinches or ceramics.
When installing IR emitters
● HP recommends that you wear protective goggles when installing or replacing emitters, to protect
y
ourself from broken glass that you may come into contact with.
● Pulling the connection cable should not cause any tension to the flat base. Bending radius of
connec
tion cable: > 30 mm.
● The safety and functional reliability of the IR heating device are guaranteed only when using original
acce
ssories and spare parts from HP.
● After an emitter break, a dangerous voltage may be exposed to contact by the heating spiral.
● The reflector side should not be cleaned.
After installation, the bottom glasses of the IR emitter must be cleaned of any soiling or perspiration.
S
ee
Clean the fusing-lamp glasses on page 190.
Replace a fusing lamp
1. Turn the assembly upside down and unscrew the four screws of the exterior glass frame.
2. Carefully remove the frame of the exterior glass.
CAUTION: When you remove the frame, the glass may stick to it. Take care that the glass does not
f
all out of the frame as you pick it up.
130 Chapter 11 Hardware maintenance
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