Ricoh A220 Service Manual page 243

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SERVICE PROGRAM MODE
1
SP ADJUSTMENT
PAGE 7
Item
Selects toner supply mode.
(See the process control section for
details about each supply mode.)
Default: Auto Mode
Factory use only
Changes the toner supply ratio in fixed
toner supply mode. Default: 4%
Enables and disables the auto process
control (V
, V
R
(See the process control section for
details.) Default: Set
Inputs the grid bias voltage when auto
process control is disabled or after RAM
is cleared (1 V/step).
Default: 870 V
Inputs the development bias voltage
when auto process control is disabled or
after RAM is cleared (1 V/step).
Default: 220 V
Factory use only
Factory use only
Factory use only.
A176M508.img
Function
, V
corrections).
L
D
PAGE 8
Select "Auto Mode" in the field.
Select "N" in the field.
Be careful, there is no overtoning
protection system.
Normally select "Set". Select "Reset" only
to check if the cause of the problem is
related to process control or not.
Enter the setting using the number keys,
then touch "Enter".
Enter the setting using the number keys,
then touch "Enter".
Do not change the setting in the field.
Do not change the setting in the field.
Do not change the setting in the field.
4-12
15 July 1996
A176M509.img
Note

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