ELECTRICAL COMPONENT DESCRIPTIONS
B234/B235/B236/D101/D102/D103 6-6 SM
6.5 ELECTRICAL COMPONENT DESCRIPTIONS
Refer to the electrical component layout on the reverse side of the point-to-point
diagram for the location of the components using the symbols and index numbers.
6.5.1 COPIER ENGINE
Number Name Description
Clutches
CL1 Toner Supply Coil Clutch Transfers drive from the toner bank motor to
the toner transport coil, to transport toner
towards the toner supply cylinder.
Heaters
H1 Optics Anti-condensation Heater Turns on when the main switch is off to keep
the scanner unit dry.
H2 Transfer Anti-Condensation Heater Turns on when the main switch is off to keep
the transfer unit dry.
H3 Tray Anti-Condensation Heater 1
(Upper)
Turns on when the main switch is off to keep
paper dry in the paper trays.
H4 Tray Anti-Condensation Heater 2
(Lower)
Turns on when the main switch is off to keep
paper dry in the paper trays.
Lamps
L1 Exposure Lamp 1 Applies high intensity light to the original for
exposure.
L2 Exposure Lamp 2 Applies high intensity light to the original for
exposure.
L3 Fusing Lamp 1 Provides heat to the hot roller.
L4 Fusing Lamp 2 Provides heat to the hot roller.
L5 Fusing Lamp 3 Provides heat to the hot roller.
L6 PTL Pre-Transfer Lamp. Just before image
transfer, the PTL flashes light on the drum to
weaken the attraction between the toner and
the drum. This makes the toner transfer to
the paper easier.
QL1 Quenching Lamp Neutralizes any charge remaining on the
drum surface after cleaning.
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