Gestetner A265, Service Manual

Page: 208 / 855

SERVICE PROGRAM MODE
A265/A267 4-20 SM
Mode No.
Class
1 and 2
Class
3
Function Settings
Adjusts the current applied to the transfer
roller during copying from the duplex unit
when the user uses the “Normal” paper
setting.
3*
Transfer Current
(Duplex)
Use this SP when the image on the rear
side of the paper has a problem caused by
poor image transfer.
0: –2
µ
A
1: 0
µµµµ
A
2: +2
µ
A
3: +4
µ
A
Adjusts the current applied to the transfer
roller during roller cleaning.
4*
Transfer Current
(Cleaning)
If toner remains on the roller after cleaning
(dirty background appears on the rear side
of the paper), increase the current.
0 ~ –10
1
µ
A/step
–4
µµµµ
A
This is for the designer’s test purposes.
5
Transfer Current
(Input - Front)
Do not change the value.
0 ~ 30
1
µ
A/step
0
µµµµ
A
This is for the designer’s test purposes.
2-301*
6
Transfer Current
(Input - Rear)
Do not change the value.
0 ~ 30
1
µ
A/step
0
µµµµ
A
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.
2-802
Developer
Initialization
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
"
key
to remove the Vt data from the screen.
0: No
1: Yes
Adjusts the voltage that is applied to the
separation plate during printing at the
leading edge of the paper on the front side.
1
Separation Voltage
Adjustment
(Front – Leading
Edge)
If the copies have pawl marks at the leading
edge, increase this voltage.
-1000 ~ -
4000
1 V/step
–1800 V
Adjusts the voltage that is applied to the
separation plate during printing on the
image area of the paper on the front side.
2
Separation Voltage
Adjustment
(Front – others)
If the copies have pawl marks in the image
area, increase this voltage.
-1000 ~ -
4000
1 V/step
–1800 V
Adjusts the voltage applied to the separation
plate, during printing at the leading edge of
the paper on the rear side.
3
Separation Voltage
Adjustment
(Rear – heading
edge)
See SP2-901-1.
-1000 ~ -
4000
1 V/step
–2100 V
Adjusts the voltage applied to the separation
plate, during printing at the image area of
the paper on the rear side.
2-901*
4
Separation Voltage
Adjustment
(Rear – others)
See SP2-901-2.
-1000 ~ -
4000
1 V/step
–2100 V
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA