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MX-M1100 IMAGE PROCESS SECTION H – 2
C. Image process section major parts
Discharge section
This section radiates light onto the OPC drum by the discharge lamp to discharge the whole surface of the OPC
drum, resetting the surface potential of the OPC drum to the initial level.
drum, resetting the surface potential of the OPC drum to the initial level.
Waste toner transport collect section
This section cleans unnecessary residual toner from the OPC drum and transport it to the waste toner collection
section. It cleans unnecessary residual toner in the transfer section and transports it to the waste toner collection
section.
section. It cleans unnecessary residual toner in the transfer section and transports it to the waste toner collection
section.
Process control device
This section controls each voltage and the toner density control level and keeps them to the proper levels based
on the outputs of the front surface potential sensor, the image density sensor, and the temperature/humidity
sensor.
on the outputs of the front surface potential sensor, the image density sensor, and the temperature/humidity
sensor.
Section name
General of operations
PCU
PWB
PWB
Transfer high voltage unit
Sub high voltage unit
THVCL
MHV
GB
Developing
mode
mode
-500v
-500v
(85) (95/110)
+200v
+150v
-400v/-600v
Cleaning
mode
mode
Cleaning
mode
mode
Cleaning
mode for
transfer belt
mode for
transfer belt
Cleaning
mode for
cleaning roller
mode for
cleaning roller
Transfer
mode
mode
Transfer high voltage unit
THV
DVBS
DESS
DESS
HUS-CL/TH-CL
HUS-CL/TH-CL
PTDL
PTDL
DL
DL
TCS
TFSD
TFSD
CRUM
CRUM
PCS
PCS
30-40
μA
AC4.5kv
(p-p)
(p-p)
8
9
20
19
21
21
18
1
2 3
10
22
23
22
12
11
14
17
15
16
13
15
5
4
6
6
7
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