Ricoh A250 Service Manual page 180

SERVICE PROGRAM MODE
Mode No.
Class Class
1 and 2 3
Development Bias
Adjustment
2-201*
Copies after Near End
2-213*
Copies before Near End
2-214*
Transfer Current
(Paper Tray Feed)
1
Transfer Current
(By-pass Feed)
2
Transfer Current
2-301*
(Cleaning)
3
Transfer Current
(Input)
4
Transfer Current
(Special Paper)
5
LD Discharge Interval
2-901*
FCI Smoothing
2-902*
A250
Function
Adjusts the development bias during
copying.
This can be adjusted as a temporary
measure if faint copies appear due
to an aging drum.
Selects the number of copies after
toner near-end has been detected.
See Detailed Descriptions -
Development for details.
Selects the number of copies before
toner near-end has been detected.
The value depends on the setting of
SP2-213. See Detailed Descriptions
- Development for details.
Adjusts the current applied to the
transfer roller during copying from
paper tray when the user uses the
"Normal" paper setting.
If the user normally feeds thicker
paper from the paper tray, use a
higher setting.
Adjusts the current applied to the
transfer roller during copying from
by-pass tray when the user uses the
"Normal" or "Thick" paper setting.
If the user normally feeds thicker
paper from the by-pass tray, use a
higher setting.
Adjusts the current applied to the
transfer roller during roller cleaning.
If toner remains on the roller after
cleaning, increase the current.
This is for the designer's test
purposes.
Do not change the value.
Adjusts the current applied to the
transfer roller during copying on
"special" paper.
If the user selects "Dry" paper with
User Tools - System Settings - 17.
Paper Status, the current set with
this SP mode is used. If there are
white spots on the copy, use a
higher setting if possible.
Selects the interval at which the LD
discharges the OPC drum.
See "Detailed Descriptions - AIO
cartridge" for details.
Selects whether the FCI smoothing
function to remove jagged edges is
enabled or disabled.
FCI smoothing is only used with the
Sharp Text setting in text mode.
4-12
Settings
0 ~ –1000
1 V/step
–400 V
0: 150 pages
1: 50 pages
2: 250 pages
0: Normal
1: Low
2: High
0: –2 µA
1: 0 µA
2: +2 µA
3: +4 µA
0: –2 µA
1: 0 µA
2: +2 µA
3: +4 µA
0 ~ –10
1 µA/step
–3 µA
0 ~ 30
1 µA/step
0 µA
0: 25 µA
1: 22 µA
2: 20 µA
0: 25 pages
1: 50 pages
2: 100 pages
0: No
(Disabled)
1: Yes
(Enabled)
SM