Ricoh A156 User Manual

1.6.2 Process Control Checks During Machine Operation
This section shows what the machine checks and recalibrates to control the
copy process at different times.
Every Copy
The machine automatically adjusts the following process control parameters
every copy.
IMAGE DENSITY
CONTROL
V
SG
Correction
Uses:
ID Sensor
Affects:
Development bias
Toner suppl
y
clutch on time
IMAGE DENSITY
CONTROL
V
T
Correction
Uses:
TD sensor
Affects:
Development bias
Toner suppl
y
clutch on time
DRUM POTENTIAL
CONTROL
T/H Correction
Uses:
Drum char
g
e thermistor
Drum rotation time to date
Affects:
Drum char
g
e roller volta
g
e
COPY IMAGE CONTROL
Reproduction Ratio
Correction
Reduce
or Enlar
g
e
Mode?
Uses:
Selected reproduction ratio
Affects: Development bias
Done: Ever
y
cop
y
YES
COPY IMAGE CONTROL
Manual ID Correction
COPY IMAGE CONTROL
ADS Correction
Which ID Mode?
MANUAL
Uses:
Selected ima
g
e densit
y
settin
g
Affects: Development bias
Exposure lamp volta
g
e
Done: Ever
y
cop
y
Uses: ADS sensor
Affects: Development bias
Done:
Sin
g
le cop
y
of an ori
g
inal -
Ever
y
cop
y
More than one cop
y
of the
same ori
g
inal -
Ever
y
cop
y
(
but onl
y
for the
first cop
y
run
)
ADS
IMAGE DENSITY
CONTROL
V
SP
Detection
Done at the end of the cop
y
run if more than 10 copies
have been made since the
previous V
SP
detection.
Uses: ID Sensor
Affects: Development bias
Toner suppl
y
clutch on time
Done at the start of ever
y
cop
y
run
Done ever
y
cop
y
Done ever
y
cop
y
A156/A160/A162 2-28 STM

Ricoh A156 Specifications

General

Brand	Ricoh
Model	A156
Category	All in One Printer
Language	English