Sp Mode Factory Settings; Drum Current Adjustment - Ricoh FT7770 Service Manual

6.5 SP MODE FACTORY SETTINGS

The following settings have been changed from F21.
SP1-2 (JADi)
SP4-2 (LOWT)
SP7-2 (ADF)
SP8-2 (APS)

6.6 DRUM CURRENT ADJUSTMENT

Some drum currents have been changed because of the higher speed. See
the following tables.
- Drum Current Measuring Drum (P/N 54469105) -
Item
Charge
Pre-transfer ac
Transfer
Separation
D1 (Normal) dc -20 ± 2µA
Separation
D2 (Duplex) dc -10 ± 2µA
Separation
D3 (Leading)
Pre-cleaning ac
Pre-quenching
F21
RESET
RESET
RESET
RESET
Beckman
330/3030
dc +370 ± 1µA
+251 ± 3µA
dc -120 ± 2µA
dc +110 ± 2µA
ac +400 ± 3µA
+400 ± 3µA
ac
+452 ± 3µA
ac
-40 ± 2µA
dc
+190 ± 3µA
-60 ± 2µA
dc
+90 ± 3µA
dc
F22
SET
SET
SET
SET
F21
Beckman 330B Beckman
Fluke 8062/
8062A
+370 ± 1µA
+220 ± 3µA
-120 ± 2µA
+110 ± 2µA
+400 ± 3µA
-20 ± 2µA
+400 ± 3µA
-10 ± 2µA
+450 ± 3µA
-40 ± 2µA
+180 ± 3µA
-60 ± 2µA
+90 ± 3µA
15-13
10 August 1990
F22
Beckman 330B
Fluke 8062/
330/3030
8062A
+405 ± 1µA +405 ± 1µA
+251 ± 3µA +220 ± 3µA
-130 ± 2µA
-130 ± 2µA
+125 ± 2µA +125 ± 2µA
+400 ± 3µA +400 ± 3µA
-25 ± 2µA -25 ± 2µA
+400 ± 3µA +400 ± 3µA
-10 ± 2µA -10 ± 2µA
+452 ± 3µA +450 ± 3µA
-45 ± 2µA -45 ± 2µA
+190 ± 3µA +180 ± 3µA
-60 ± 2µA -60 ± 2µA
+90 ± 3µA
+90 ± 3µA