2HA/2HB
2-1-7
2-1-3 Drum section
The drum section consists of the drum, main charger section, cleaning section and cleaning lamp.
The main charger section consists of main charger wire, main charger grid and main charger shield, and the drum is
charged by a high voltage applied to the main charger wire. In addition, this section is equipped with a manual main
charger cleaner that is used for cleaning the main charger wire.
The cleaning section consists of the cleaning blade and cleaning roller that removes residual toner from the drum surface
after the transfer process, and the cleaning spiral that carries the residual toner back to the waste toner box.
The cleaning lamp (CL) consists of LEDs which remove residual charge from the drum surface.
Figure 2-1-8 Drum section
Figure 2-1-9 Drum section block diagram
(1) Drum
(2) Main charger unit
(3) Main charger wire
(4) Drum separation claw
(5) Cleaning roller
(6) Cleaning spiral
(7) Cleaning blade
(8) Cleaning lamp (CL)
MHVADJC
CL
MHVDRN
MC
Grid
Drum
HVTPWB
YC1-8
YC1-12
YC9-5
MHVISELN
YC1-2
YC9-15
YC9-9
YC3-12, 13
EPWB
ZENER
PWB
CL
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