2.5.2.3 Phase Control Mec
The printer uses the drum gear position sensors to de
mode shows when it detects that the drum motor is n
initialize the relative positions of the gears when the
prevents phase fluctuation between printouts caused
There is an interrupter on each drum gear. The drum
interrupters. This mechanism makes sure that output
Immediately after the printer power turns on, recovers
opened and closed, the printer executes the drum ph
occurs:
• When a new imaging unit is installed.
• When a new cartridge transfer belt unit is installed.
lso, when the printer detects a shift in the drum posit
executes the drum phase adjustment.
This printer uses a dual-component development syst
the drum units; one for each color). Each new unit co
in each unit is supplied to the magnetic roller [A] by th
surface of the roller. The diameter of the magnetic rol
Each imaging unit has a TD(Toner Developer) sensor
controlling the operating range of toner density. The i
Service Manual
CLX-9250/9350 series
2-
information about the imaging unit is stored.
ect whether the drum motors are rotating. Diagnostic
t moving. These sensors also help the printer to
ain switch is turned on, and during initializing. This
y incorrect gear meshing at the start of the job.
ear position sensors detect the positions of these
uality does not vary.
from the energy saver mode, or the front door is
se adjustment if one of the following conditions
ions during the line position adjustment, the printer
m and has four imaging units (which are included in
tains 330g of magnetic toner carrier. The developer
two mixing augers [B] and is attracted onto the
ler is 18 mm.
[C]. The TD sensor [C] in the imaging unit is used for
aging unit is equipped with a CRUM in which some
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