Canon imagePRESS C1 Service Manual - page 400
Manual is about: imagePRESS C1 Series
of
1265
Chapter 7
7-51
F-7-66
[1] Developing cylinder
DC-CON: DC controller
HVT: High voltage PCB
7.7.5 Developing Bias Control
0020-4169
imagePRESS C1+ (Printer) / imagePRESS C1+
The developing bias is created to apply toner on the electrostatic latent image on the surface of the photosensitive drum.
The developing bias provides two types of biases (developing DC bias and developing AC bias).
These biases are created in the high voltage PCB based on an instruction from the DC controller, and applied to the developing cylinder at a specified timing.
The developing DC bias value is determined based on the result of electric potential control.
DC-CON
DEV_CL_A
C_ON
DEV_CL_DC_ON
DEV_DC_CONT
J1187
J3201
J3211
HVT5
[1]
AC+DC