Image Stabilization System - Minolta EP3010 Manual

1173SBM0700A
7

IMAGE STABILIZATION SYSTEM

The following image stabilization controls are provided to ensure stabilized copy image.
Item
Initial Setting Image density,
gradation
Regular Image density To compensate for any drop
correction
Gradation
background
Correction for Image density,
Faulty AIDC gradation
Sensor
The following is the block diagram of the image stabilization system.
Exposure
Lamp LA1
Image Erase
Lamp LA3
Quality
To make initial settings of
grid voltage (Vg), optimum
Exposure Lamp voltage,
and AE Sensor gain.
in image density due to a
deteriorating PC Drum.
To compensate for any drop
in the intensity of LA1 light
due to a contaminated opti-
cal system.
Foggy To keep a given toner-to-
carrier ratio of the devel-
oper in the Developer Mix-
ing Chamber.
To compensate for image
density and gradation
aggravated by a faulty
AIDC Sensor.
Original Width Scale
Original Glass
Halftone Patch
EE
Replenishing
AIDC
M-12
Purpose
PU2
PWB-A
CPU
Toner
HV1
ATDC
Control
Sets the initial values for
grid voltage correction, opti-
mum Exposure Lamp volt-
age correction, and AE
Sensor gain adjustment.
Corrects the grid voltage
through AIDC Sensor con-
trol.
Corrects the optimum
Exposure Lamp voltage
through AIDC control.
Provides toner replenish-
ing control by means of the
ATDC Sensor. (For details,
see 14. DEVELOPMENT.)
Corrects the grid voltage
and optimum Exposure
Lamp voltage according to
the time through which the
PC Drum has turned and
the copier has run.
1149M004AA