Ricoh Aficio FT4027, Service Manual

Page: 574 / 685

Mode No. Function Settings
3-103-001
to
3-103-002
ID Sensor
Output Display † Displays the ID sensor outputs.
SP3-103-001: V
SP
SP3-103-002: V
SG
Normally, V
SP
= 0.01 ~ 2.50 V, V
SG
=
4.0
±
0.2 V (V
SP
/V
SG
≈
0.1)
3-105
Forced V
L
Detection
After the key is pressed, the initial
V
LP
/V
LG
(= V
REF
) is determined.
For when to use this SP mode, see
"Practical SP Mode Use Table".
3-106
Initial V
LP
/V
LG
Display †
Displays the initial V
LP
/V
LG
value
determined by SP3-105.
3-107
Current
V
LP
/V
LG
Display †
Displays the current V
LP
/V
LG
value [%].
This is the value currently being used for
V
L
correction.
3-111
Current
V
RP
/V
RG
Display †
Displays the current V
RP
/V
RG
value [%]
This is the value currently being used for
V
R
correction.
3-112
Forced V
R
Detection
After the key is pressed, forced V
R
detection is done.
For when to use this SP mode, see
"Practical SP Mode Use Table".
3-123
Drum Initialize This resets the following data regarding
the OPC drum:
1. V
R
correction level
2. V
L
correction level
3. OPC counter
4. T/H correction level
This SP mode must be used only
when a new drum is installed. Refer to
"Practical SP Mode Use Table" for the
exact timing for using this SP mode.
ID Correction
Drum Charge Roller
Correction Voltage
Development Bias
Correction Voltage
±
0 V –40 V –80 V
V
RP
/V
RG
x
100 (%)
74 ~ 100 68 ~ 100 62 ~ 100
±
0 V
±
0 V
53 ~ 73 50 ~ 67 43 ~ 61 –40 V –40 V
41 ~ 52 37 ~ 49 26 ~ 42 –80 V –80 V
31 ~ 40 26 ~ 36 19 ~ 25 –120 V –120 V
0 ~ 30 0 ~ 25 0 ~ 18 –160 V –160 V
Overall
Machi
ne
In
fo
rm
a
ti
o
n
SERVICE PROGRAM MODE
SM 1-71 A207/A208/A211