Operational Descriptions - Sharp MX-2300 G Service Manual

Signal name
DVM_CL Developer motor (color)
DVM_K Developer motor (black)
BS Developer bias (Y, M, C, K)
TCS Toner density sensor (Y, M, C, K)
DVTYP DV initial detection PWB (Y, M, C, K)
No.
1 Developer roller
2 Stirring roller
3 Toner filter

2. Operational descriptions

Electrostatic latent images generated on the OPC drum by the
laser (writing) units (laser image ray) are converted into visible
images by toner.
Toner and carrier in the developing unit are agitated and trans-
ported by the mixing roller.
By mixing and transporting, toner and carrier are negatively
charged due to mechanical friction.
The developing bias voltage (AC component and negative DC
component) is applied to the developing roller.
Negatively charged toner is attracted to the exposed section on the
OPC drum where the negative potential falls due to the developing
bias.
If the OPC drum is not exposed, the negative potential is higher
than the developing bias voltage, and toner is not attracted.
Name
Color developing unit drive
Black developing unit drive
Developer bias
Controls the toner density in the developing unit.
Detection of a new developing unit (machine exclusive for CRU)
Name
Latent electrostatic images on the OPC drum are changed to visible images.
Stirring developer
Prevents dispersing of toner.
MX-2300/2700 N/G DEVELOPING SECTION K – 2
Function/Operation
Function/Operation
3. Disassembly and assembly
A. Developing section
(1)
(1)-g
(1)-c
(1)-a
Unit
(1) Developing a Developer
unit
b DV seal
c DV side seal F
d DV side seal R
e DV initial PWB
f Density sensor
g Toner filter
(1) Developing unit
1) Open the front cabinet.
2) Remove the waste toner bottle unit.
(1)-d
(1)-b
(1)-e
(1)-f
Parts Maintenance
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