Ricoh V-C3 D081 Field Service Manual page 823

Set Vtref Correction.
Vtref is frequently updated in the toner supply cycle to stabiize the concentration of toner in
the developer. Vtref is corrected between every printed page in the paper path using the
correction amounts listed below for each color. This is the default setting (0) for SP3042 001.
However, you can use this SP to switch this function off.
Vtref (TD sensor reference voltage). It is frequently updated to stabilize the toner concentration
in the development unit.
1 Vtref Corr Mode
2 Corr Amt(+):K
3 Corr Amt(+):M
4 Corr Amt(+):C
5 Corr Amt(+):Y
6 Corr Amt(-):K
7 Corr Amt(-):M
8 Corr Amt(-):C
9 Corr Amt(-):Y
10 Vtref Corr Target:K
11 Vtref Corr Target:M
12 Vtref Corr Target:C
13 Vtref Corr Target:Y
14 Corr Thresh:K
15 Corr Thresh:M
16 Corr Thresh:C
17 Corr Thresh:Y
3044 Img Area
These SP codes display the percentage of coverage on printed pages.
[0 to 1/1] 0: On, 1: Off
Setting this SP to 1 switches off Vtref correction between pages.
[0 to 1/0.01 V]
[-0.1 to 0.1/0.001 mg/cm
2
[-0.1 to 0.1/0/ mg/cm
2
]
]
Group 3000
4
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