SERVICE PROGRAM MODE 19 January, 2001
5-10
SP2 Mode Number Function and [Setting]
2209* 2* Toner Supply Correction
Data
Displays the toner supply correction coefficient (K).
It can also be used to adjust K, but the value is
changed again when V
T
is measured for the next
copy.
The toner supply rate depends on the amount of
toner in the toner bottle. This change is corrected
using this coefficient. This SP can be used to check
the toner supply condition. The lower the value of K,
the lower the toner density.
[25 ~300 / 300 / 25 step]
2210* ID Sensor Pattern Interval Sets the interval between ID sensor pattern prints.
This setting allows adjustment for customers who
do not make many copies daily. The zero value
disables this setting.
[0~200 / 10 / 1 copy step]
2213* 1* Copies After Toner Near-
End
Selects the number of copies that can be printed
once the copier has detected toner near-end.
Select 1 or 2 if the customer normally makes copies
of high density.
0: 90 copies
1: No copies
2: 10 copies
2220* Vref Manual Setting
Adjusts the TD sensor reference voltage (Vref). [1.0
~ 5.00 V / 4.00V / 0.01V step]
Change this value after replacing the development unit with another unit that
contains toner.
1. Check the value of SP2-220 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, and then input the V
REF
for this unit into SP2-
220.
3. After the test, put back the old development unit, and change SP2-220 back to
the original value.
2223* Vt Display Displays the TD sensor output voltage for each
copy.
1* Current Displays the TD sensor output voltage for the
immediately previous copy.
2* Average Previous 10 copies Displays the average of the most recent TD sensor
outputs (from the previous 10 copies).
3* Rate of Change
Displays the rate of change in the TD sensor
output.
4* GAIN
Displays the GAIN value used to calculate the on
time for the toner supply motor.
5* Image Pixel Count Displays the image pixel count.
2301* Transfer Current
Adjustment
Adjusts the current applied to the transfer belt
during copying the 5 phases listed below.
1* 1st Side of Paper Printing the first side of the paper (image area).
If the user uses thicker paper, the current may have
to be increased to ensure sufficient transfer of
toner.
[20~100µA / 35 (B004/B007: 45) / 1µA step]
2* 2nd Side of Paper Printing the second side of the paper (image area).
[20~100µA / 35 (B004/B007: 40) / 1µA step]
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