Ricoh A217 Service Manual page 26

14 August 1997
Mode No.
Class 1 Class 2
2 *
2209 *
2210 *
2220 *
2223 *
2301 * 1 *
Toner Supply Selects the toner supply ratio for
Ratio Fixed Supply Mode.
(Fixed Supply
Mode)
Use a higher value if the user tends
to make lots of copies that have a
high proportion of black.
Toner Supply Adjusts the toner supply rate for
Rate Detect Supply Mode.
(Detect Supply
Mode)
Increasing this value reduces the
toner supply clutch on time. Use a
lower value if the user tends to make
lots of copies that have a high
proportion of black.
ID Detection Changes the interval for making the
Interval ID sensor pattern (VSP/VSG
detection).
Reducing the interval will also reduce
the CPM.
Do not adjust this.
VTREF Manual Adjust the VTREF of the TD sensor.
Setting
Change this value after replacing the
development unit with another one
that already contains toner.
For example, when using a
development unit from another
machine for test purposes, do the
following:
1. Check the value of SP2220 in both
the machine containing the test unit
and the machine that you are going
to move it to.
2. Install the test development unit,
then input the VTREF for this unit into
SP2220.
3. After the test, put back the old
development unit, and change
SP2220 back to the original value.
VT Display Displays the TD sensor output
voltage.
Transfer Current Adjusts the current applied to the
Adjustment transfer belt during copying on the
(1st side of the 1st side of the paper.
paper)
Function
23
SP MODE
Settings
6%
15%
30%
50 ~ 200
1 mg/s / step
116 mg/s
10 ~ 200
1 copy/step
200 copies
1.50 ~ 3.00
0.01V/step
2.52V
10 ~ 60
2
1 A/step
2 2
40 A