System SP Tables-2
D017/D018/D019/D020/D084/D085 4-14 SM Appendix
2201* Development Bias Adjust
1
Printing
Adjusts the development bias during printing.
This can be adjusted as a temporary measure if faint copies appear due to
an aging drum.
[–1500 to –200 / –650 / 1 V/step]
2
ID Sensor Pattern
Adjusts the development bias for making the ID sensor pattern.
The actual development voltage for the ID sensor pattern is this value plus
the value of SP2201-1.
This should not be used in the field, because it affects ID sensor pattern
density, which affects toner supply.
[0 = N (200V) / 1 = H (240V) / 2 = L (160V) / 3 = HH (280V) / 4 = LL (120V)]
2210* Bias Off Time
1
Charge Bias DFU
Adjusts the charge voltage (-1200V) application time.
When the charge voltage and development bias are turned off at the same
time, toner or carrier will be attracted to the drum. To reduce the toner or
carrier attraction, the machine applies –1200V to the charge roller before the
development bias is turned off. This SP adjusts the time for applying the
charge.
[0 to 150 / 80 / 1 ms /step]
2
Development Bias DFU
Adjusts the development bias off time.
[-120 to 120 / 0 / 1ms/step]
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