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SERVICE PROGRAM MODE
Mode No.
Class
Class
1 and 2
3
Transfer Current
(Duplex)
3*
Transfer Current
(Cleaning)
4*
2-301*
Transfer Current
(Input - Front)
5
Transfer Current
(Input - Rear)
6
Developer
Initialization
2-802
Separation Voltage
Adjustment
(Front – Leading
1
Edge)
Separation Voltage
Adjustment
(Front – Image Area)
2
2-901*
Separation Voltage
Adjustment
3
(Rear – Front)
Separation Voltage
Adjustment
(Rear – Image Area)
4
Function
Adjusts the current applied to the transfer
roller during copying from the duplex unit
when the user uses the "Normal" paper
setting.
Use this SP when the image on the rear
side of the paper has a problem caused by
poor image transfer.
Adjusts the current applied to the transfer
roller during roller cleaning.
If toner remains on the roller after cleaning
(dirty background appears on the rear side
of the paper), increase the current.
This is for the designer's test purposes.
Do not change the value.
This is for the designer's test purposes.
Do not change the value.
Initializes the developer and checks Vt. The
machine mixes the developer for 2 minutes
and while doing this, it reads and displays
the TD sensor output (Vt). It does not
initialize the TD sensor output.
If the machine has not been used for a long
time, prints may have a dirty background. In
this case, use this SP mode to mix the
developer. After finishing, press the T
key to remove the Vt data from the screen.
Adjusts the voltage that is applied to the
separation plate during printing at the
leading edge of the paper on the front side.
If the copies have pawl marks at the leading
edge, increase this voltage.
Adjusts the voltage that is applied to the
separation plate during printing on the
image area of the paper on the front side.
If the copies have pawl marks in the image
area, increase this voltage.
Adjusts the voltage applied to the separation
plate, during printing at the leading edge of
the paper on the rear side.
See SP2-901-1.
Adjusts the voltage applied to the separation
plate, during printing at the image area of
the paper on the rear side.
See SP2-901-2.
4-20
20 September 1999
Settings
0: –2 µA
1: 0 µ µ µ µ A
2: +2 µA
3: +4 µA
0 ~ –10
1 µA/step
–4 µ µ µ µ A
0 ~ 30
1 µA/step
0 µ µ µ µ A
0 ~ 30
1 µA/step
0 µ µ µ µ A
0: No
1: Yes
-1000 ~ -
4000
1 V/step
–1800 V
-1000 ~ -
4000
1 V/step
–1800 V
-1000 ~ -
4000
1 V/step
–2100 V
-1000 ~ -
4000
1 V/step
–2100 V
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